{"title":"Waterproof Solar Charge Controllers","description":"\u003cp\u003eDiscover the resilience and efficiency of our waterproof MPPT solar charge controllers, specifically the Genasun brand, designed for rugged and demanding conditions. Whether you're on a Pacific expedition, traversing the Arctic circle, or sailing through rough seas, our waterproof charge controllers ensure your system's seamless operation.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003eRenowned for their adaptability, these controllers can keep lithium or lead acid batteries fully charged in the harshest of climates, demonstrating their robustness. Genasun controllers, with their Class I Division 2 classification, offer reliable performance even under hazardous environmental conditions.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003eEnjoy the advantages of cutting-edge design that eliminates the need for fans and relays, thereby reducing the possibility of component failure due to dust, dirt, or constant switching. Experience the superior efficiency and low EMI of our FCC-rated Genasun controllers, ensuring your communication or sensing equipment runs smoothly without disruptions, even when your chargers are operating at full capacity.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003ch3\u003eBuilt for Tough Conditions\u003c\/h3\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003eWaterproof with an IP68 rating, these controllers are designed to withstand extreme weather and harsh environments, providing uninterrupted service.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003ch3\u003ePeak Performance\u003c\/h3\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003eWith a peak efficiency of 99%, Genasun controllers ensure optimal performance, making the most out of every ray of sunlight.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003ch3\u003eAdvanced Electronic Protections\u003c\/h3\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003eWith built-in safeguards against overcharge, short-circuits, and other potential risks, our controllers guarantee safe and reliable operation.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003ch3\u003eContinuous MPPT\u003c\/h3\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003eGenasun controllers utilize Maximum Power Point Tracking (MPPT) to constantly maximize the amount of energy harnessed from your solar panels.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003ch3\u003eDependable Warranty\u003c\/h3\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003eEach controller comes with a 5-year warranty, highlighting our commitment to quality and long-lasting performance.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003eExplore our range of waterproof MPPT solar charge controllers and elevate your off-grid power system's reliability and efficiency.\u003c\/p\u003e\u003cbr\u003e","products":[{"product_id":"genasun-8a-mppt-48v-voltage-boost-lead-acid-waterproof","title":"Genasun 8A MPPT 48V Voltage Boost (Lead-Acid) - Waterproof Solar Charge Controller","description":"\u003ch2\u003eGenasun GVB-8-WP: Advanced MPPT Boost Controller for 48V Lead-Acid Systems\u003c\/h2\u003e\n\u003ch3\u003eEfficient Voltage Boosting for Off-Grid and Mobile Applications\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eGenasun GVB-8-WP\u003c\/strong\u003e is a specialised \u003cstrong\u003eMPPT solar charge controller\u003c\/strong\u003e engineered to charge \u003cstrong\u003e48V lead-acid battery banks\u003c\/strong\u003e from lower-voltage solar panels. Unlike conventional controllers that require panel voltage to exceed battery voltage, this \u003cstrong\u003eboost controller\u003c\/strong\u003e steps up input from panels as low as 5V, enabling flexible system design. With \u003cstrong\u003e96-99% typical electrical efficiency\u003c\/strong\u003e and \u003cstrong\u003eultra-fast 15Hz MPPT tracking\u003c\/strong\u003e, it maximises energy harvest even under variable light conditions.\u003c\/p\u003e\n\u003cp\u003eDesigned for demanding environments, the fully potted, \u003cstrong\u003ewaterproof construction\u003c\/strong\u003e protects internal electronics from moisture, dust, and vibration. This makes it an ideal choice for \u003cstrong\u003emarine solar charging\u003c\/strong\u003e, \u003cstrong\u003eRV power systems\u003c\/strong\u003e, \u003cstrong\u003egolf cart solar kits\u003c\/strong\u003e, \u003cstrong\u003eindustrial off-grid setups\u003c\/strong\u003e, and \u003cstrong\u003emilitary applications\u003c\/strong\u003e. The controller operates silently with no cooling fan, reducing points of failure and ensuring long-term reliability.\u003c\/p\u003e\n\u003ch3\u003eTrue MPPT vs. Nominal MPPT\u003c\/h3\u003e\n\u003cp\u003eMany controllers claim MPPT functionality but only approximate the maximum power point. The Genasun GVB-8-WP employs \u003cstrong\u003etrue Maximum Power Point Tracking\u003c\/strong\u003e, continuously adjusting to the panel's optimal operating voltage at 15 times per second. This results in \u003cstrong\u003esuperior low-light performance\u003c\/strong\u003e and \u003cstrong\u003efaster energy recovery\u003c\/strong\u003e after shading, directly translating to more amp-hours stored in your battery each day.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage boost capability\u003c\/strong\u003e – charges 48V batteries from panels with Vmp as low as 5V, supporting 12V, 24V, or 36V nominal solar arrays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e96-99% peak efficiency\u003c\/strong\u003e – minimises conversion losses for maximum power delivery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof and potted design\u003c\/strong\u003e – withstands immersion, salt spray, and high humidity; ideal for marine and coastal installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-stage charging with temperature compensation\u003c\/strong\u003e – automatically adjusts bulk, absorption, and float voltages based on battery temperature for optimal lead-acid health\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated in-line fuse protection\u003c\/strong\u003e – safeguards against overcurrent events without external components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide operating temperature range\u003c\/strong\u003e – functions reliably from -40°C to 85°C, with full power output up to 70°C ambient\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow self-consumption\u003c\/strong\u003e – draws only 5mA in standby, preserving battery charge during idle periods\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-wired flying leads\u003c\/strong\u003e – 16 AWG tinned wire with pre-stripped ends for straightforward installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuilt for Harsh Environments\u003c\/h3\u003e\n\u003cp\u003eThe GVB-8-WP's electronics are encapsulated in a proprietary potting compound, creating a \u003cstrong\u003efully waterproof and vibration-resistant assembly\u003c\/strong\u003e. This eliminates corrosion risks and thermal stress common in unsealed controllers. Whether mounted in a bilge, exposed to road spray, or operating in desert heat, the controller maintains consistent performance without derating. The compact aluminium housing (5.5\" x 3.2\" x 2.2\" \/ 14cm x 8.1cm x 5.5cm) and lightweight design (10.3oz \/ 290g) simplify integration into space-constrained installations.\u003c\/p\u003e\n\u003ch3\u003eApplication Flexibility\u003c\/h3\u003e\n\u003cp\u003eThis controller excels in scenarios where panel voltage is lower than the battery bank voltage, a common challenge in mobile and off-grid systems. Typical use cases include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGolf carts\u003c\/strong\u003e – roof-mounted 12V or 24V panels charging 48V battery packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine vessels\u003c\/strong\u003e – maintaining 48V house banks from compact solar arrays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRVs and campervans\u003c\/strong\u003e – boosting voltage from portable panels to high-voltage battery systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote monitoring stations\u003c\/strong\u003e – reliable power for 48V equipment with limited solar real estate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreet lighting\u003c\/strong\u003e – efficient charging of 48V battery backups from small solar modules\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe controller automatically adapts to the connected panel and battery, requiring no user configuration. Simply wire the panel input and battery output, and the GVB-8-WP handles the rest, including multi-stage charging and temperature-compensated voltage regulation.\u003c\/p\u003e\n\u003ch3\u003eOptimise Your Off-Grid Power System\u003c\/h3\u003e\n\u003cp\u003eUpgrade your solar charging setup with the \u003cstrong\u003eGenasun GVB-8-WP 48V boost controller\u003c\/strong\u003e and experience the difference that true MPPT and rugged waterproof design can make. Whether you're powering a golf cart, sailboat, or remote industrial equipment, this controller delivers dependable energy conversion in a compact, maintenance-free package.\u003c\/p\u003e","brand":"Genasun","offers":[{"title":"Default Title","offer_id":45901364101269,"sku":"GVB-8-Pb-48V-WP","price":270.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8974\/5557\/files\/genasun-gvb-8-pb-48v-wp-mppt-solar-controller-front.png?v=1776965981"},{"product_id":"genasun-8a-mppt-24v-voltage-boost-for-lead-acid-waterproof","title":"Genasun 8A MPPT 24V Voltage Boost (Lead-Acid) - Waterproof Solar Charge Controller","description":"\u003ch2\u003eGenasun GVB-8-Pb-24V-WP: Advanced MPPT Boost Solar Charge Controller for 24V Lead-Acid Systems\u003c\/h2\u003e\n\u003ch3\u003eEfficient Voltage Boosting for Off-Grid, Marine, and Industrial Applications\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eGenasun GVB-8-Pb-24V-WP\u003c\/strong\u003e is a specialised \u003cstrong\u003eMPPT boost solar charge controller\u003c\/strong\u003e engineered to charge 24V lead-acid batteries from lower-voltage solar panels. Unlike standard controllers that require panel voltage to exceed battery voltage, this unit’s unique boost topology steps up input voltage, enabling the use of compact, cost-effective solar arrays. With \u003cstrong\u003e96-98% typical electrical efficiency\u003c\/strong\u003e and a peak of 99%, it maximises energy harvest in space-constrained installations.\u003c\/p\u003e\n\u003cp\u003eDesigned for demanding environments, the controller is fully encapsulated in a proprietary potting compound, achieving an \u003cstrong\u003eIP68 waterproof rating\u003c\/strong\u003e. This makes it suitable for marine, RV, golf cart, and industrial applications where moisture, vibration, and temperature extremes are common. True \u003cstrong\u003eMaximum Power Point Tracking (MPPT)\u003c\/strong\u003e at 15 Hz ensures rapid adaptation to changing light conditions, outperforming controllers with slower or nominal MPPT algorithms.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Boost Technology:\u003c\/strong\u003e Charges 24V batteries from panels with Vmp as low as 5V, ideal for 12V nominal panels or 36-cell modules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Efficiency:\u003c\/strong\u003e 96-98% typical conversion efficiency reduces energy loss and heat buildup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof Construction:\u003c\/strong\u003e IP68-rated, fully potted electronics withstand submersion and harsh weather\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue MPPT:\u003c\/strong\u003e 15 Hz tracking speed captures maximum power during cloud transients and partial shading\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Self-Consumption:\u003c\/strong\u003e Only 6 mA standby draw preserves battery charge during idle periods\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Safety:\u003c\/strong\u003e In-line fuse protection and multi-stage charging with temperature compensation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Range:\u003c\/strong\u003e Functions from -40°C to 85°C ambient, suitable for extreme climates\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReliable Charging for Critical Systems\u003c\/h3\u003e\n\u003cp\u003eThis controller employs a \u003cstrong\u003emulti-stage charge profile\u003c\/strong\u003e with bulk, absorption, and float stages, plus automatic temperature compensation (-56 mV\/°C) to prevent overcharging in hot conditions and undercharging in cold. The \u003cstrong\u003eultra-low standby consumption\u003c\/strong\u003e of 6 mA ensures the battery is not drained when solar input is absent, a critical advantage for seasonal or intermittently used equipment.\u003c\/p\u003e\n\u003cp\u003eInstallation is straightforward with pre-stripped 16 AWG tinned flying leads and an included 10A in-line fuse. The compact dimensions (14 cm x 8.1 cm x 5.5 cm) and light weight (290 g) allow mounting in tight enclosures or directly on vehicle frames. A multicolor status LED provides at-a-glance indication of charging state.\u003c\/p\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine and RV:\u003c\/strong\u003e Maintain 24V house banks from small deck or roof panels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGolf Carts and EVs:\u003c\/strong\u003e Boost 12V panel output to 24V traction batteries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Monitoring:\u003c\/strong\u003e Power 24V telemetry systems with a single low-voltage panel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreet Lighting:\u003c\/strong\u003e Reliable charging in all weather with no fan or vents to clog\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOff-Grid Industrial:\u003c\/strong\u003e Operate 24V equipment from existing 12V solar infrastructure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBy decoupling panel voltage from battery voltage, the Genasun GVB-8-Pb-24V-WP solves the common challenge of mismatched solar arrays and battery banks. It reduces the risk of undercharging in low-light conditions and eliminates the need for large, high-voltage panels, saving space and cost. The rugged, waterproof design mitigates failure risks associated with dust, salt spray, and condensation, ensuring long-term reliability in the field.\u003c\/p\u003e\n\u003ch3\u003eUpgrade Your Solar Charging System\u003c\/h3\u003e\n\u003cp\u003eEquip your 24V lead-acid setup with a controller built for efficiency and endurance. \u003cstrong\u003eOrder the Genasun GVB-8-Pb-24V-WP today\u003c\/strong\u003e and experience consistent, maintenance-free charging from any solar panel configuration.\u003c\/p\u003e","brand":"Genasun","offers":[{"title":"Default Title","offer_id":45901364756629,"sku":"GVB-8-Pb-24V-WP","price":265.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8974\/5557\/files\/genasun-mppt-solar-charge-controller-gvb-8-pb-24v-wp.png?v=1776965670"},{"product_id":"genasun-8a-mppt-12v-voltage-boost-for-lead-acid-waterproof","title":"Genasun 8A MPPT 12V Voltage Boost (Lead-Acid) - Waterproof Solar Charge Controller","description":"\u003ch2\u003eGenasun GVB-8-WP: Advanced MPPT Boost Solar Charge Controller for 12V Lead-Acid Batteries\u003c\/h2\u003e\n\u003ch3\u003eEngineered for Demanding Off-Grid and Mobile Applications\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eGenasun GVB-8-WP\u003c\/strong\u003e is a high-performance \u003cstrong\u003eMPPT boost solar charge controller\u003c\/strong\u003e purpose-built for charging \u003cstrong\u003e12V lead-acid batteries\u003c\/strong\u003e from lower-voltage solar panels. Unlike conventional controllers that require panel voltage to exceed battery voltage, the GVB-8-WP’s unique \u003cstrong\u003evoltage boost technology\u003c\/strong\u003e steps up input from panels as low as 5V, enabling efficient charging even with small or partially shaded arrays. This makes it an ideal solution for \u003cstrong\u003emarine, RV, industrial, military, street lighting, and off-grid\u003c\/strong\u003e installations where space, weight, or panel configuration constraints exist.\u003c\/p\u003e\n\u003cp\u003eWith a \u003cstrong\u003epeak efficiency of 99%\u003c\/strong\u003e and typical operating efficiency of 95-97%, this controller minimises energy losses and maximises harvest from every watt of installed solar. Its \u003cstrong\u003etrue Maximum Power Point Tracking (MPPT)\u003c\/strong\u003e algorithm operates at 15 Hz, continuously adjusting to changing light conditions to deliver up to 30% more energy than PWM controllers. This is not a “nominal MPPT” approximation; it is genuine, fast-tracking MPPT that ensures your battery receives the full available power even under rapidly shifting cloud cover or partial shading.\u003c\/p\u003e\n\u003ch3\u003eRugged, Waterproof Design for Harsh Environments\u003c\/h3\u003e\n\u003cp\u003eEvery Genasun GVB-8-WP is fully encapsulated in a proprietary potting compound, achieving an \u003cstrong\u003eIP68 waterproof rating\u003c\/strong\u003e. This construction protects the advanced electronics from moisture, salt spray, dust, and vibration, making it suitable for \u003cstrong\u003emarine and coastal environments\u003c\/strong\u003e, vehicle underbody mounting, and exposed outdoor locations. The controller operates silently with no cooling fan, relying on its robust aluminium housing for passive heat dissipation across an ambient temperature range of -40°C to 85°C.\u003c\/p\u003e\n\u003cp\u003eInstallation is straightforward with pre-stripped \u003cstrong\u003e16 AWG tinned flying leads\u003c\/strong\u003e and an integrated \u003cstrong\u003ein-line fuse\u003c\/strong\u003e for overcurrent protection. The compact dimensions (140 x 81 x 55 mm) and light weight (290 g) allow flexible placement even in tight compartments. A multicolour LED provides at-a-glance status indication for charging, errors, and battery state.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Boost MPPT:\u003c\/strong\u003e Charges 12V lead-acid batteries from solar panels with Vmp as low as 5V, enabling use of smaller, lower-cost panels or series-parallel configurations that would otherwise be incompatible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e99% Peak Efficiency:\u003c\/strong\u003e Industry-leading conversion efficiency reduces heat buildup and maximises energy delivery to the battery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue 15 Hz MPPT Tracking:\u003c\/strong\u003e Rapid response to irradiance changes ensures optimal power point lock under dynamic conditions, outperforming slower or “nominal” MPPT implementations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP68 Waterproof \u0026amp; Potted Electronics:\u003c\/strong\u003e Fully sealed against water and dust ingress; corrosion-resistant for marine, coastal, and high-humidity installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Stage Charging with Temperature Compensation:\u003c\/strong\u003e Bulk, absorption, and float stages with automatic temperature-adjusted voltage setpoints protect battery health and extend service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low Standby Consumption:\u003c\/strong\u003e Draws only 7 mA when idle, preserving battery charge during periods of darkness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature Range:\u003c\/strong\u003e Reliable performance from -40°C to 85°C, with full power output up to 70°C ambient.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated In-Line Fuse:\u003c\/strong\u003e Simplifies wiring and provides essential overcurrent protection without additional components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in USA:\u003c\/strong\u003e Manufactured to rigorous quality standards for long-term reliability in critical applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications and Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe GVB-8-WP is designed for \u003cstrong\u003e12V lead-acid battery systems\u003c\/strong\u003e, including flooded, AGM, and gel types. It is particularly effective in scenarios where the available solar panel voltage is lower than the battery voltage, such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine and RV:\u003c\/strong\u003e Maintain house batteries from compact deck-mounted or flexible panels with low Vmp.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreet and Sign Lighting:\u003c\/strong\u003e Power 12V lighting systems from small solar arrays in remote locations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial and Military:\u003c\/strong\u003e Rugged, sealed construction meets demanding environmental and reliability standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOff-Grid Cabins and Sheds:\u003c\/strong\u003e Maximise energy harvest from limited panel space or suboptimal orientations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGolf Carts and Electric Vehicles:\u003c\/strong\u003e Trickle charge auxiliary 12V batteries from a dedicated solar panel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith a maximum recommended panel power of 105 W and an input current limit of 8 A (short-circuit), the controller is optimised for panels with Vmp up to 13 V and Voc up to 50 V. The boost topology allows creative system designs, such as using a single high-current, low-voltage panel instead of multiple panels in series, reducing wiring complexity and shading losses.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose Genasun Over Generic Controllers?\u003c\/h3\u003e\n\u003cp\u003eGeneric boost controllers often suffer from slow tracking speeds, lower efficiency, and limited environmental protection. The GVB-8-WP addresses these shortcomings with its \u003cstrong\u003e15 Hz MPPT sweep rate\u003c\/strong\u003e, \u003cstrong\u003e99% peak conversion efficiency\u003c\/strong\u003e, and \u003cstrong\u003efully potted IP68 enclosure\u003c\/strong\u003e. It eliminates the risk of controller failure due to condensation or splash exposure, a common failure mode in marine and outdoor installations. Additionally, the automatic temperature compensation prevents overcharging in hot climates and undercharging in cold conditions, directly contributing to longer battery life and reduced maintenance.\u003c\/p\u003e\n\u003ch3\u003eInstallation and Setup\u003c\/h3\u003e\n\u003cp\u003eNo programming or configuration is required. The controller automatically detects the panel and begins charging when sufficient sunlight is available. The flying lead connections are clearly labelled for battery and solar input, and the included in-line fuse holder accepts standard automotive blade fuses. For detailed wiring diagrams, refer to the product images or the manufacturer’s documentation.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: This controller is intended for 12V lead-acid batteries only. For lithium or other battery chemistries, please see the Genasun GVB series lithium models.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003ePower Your Off-Grid System with Confidence\u003c\/h3\u003e\n\u003cp\u003eEquip your installation with the \u003cstrong\u003eGenasun GVB-8-WP MPPT Boost Solar Charge Controller\u003c\/strong\u003e and experience the difference that precision engineering and robust construction make. Whether you’re maintaining a critical battery bank on a vessel or powering a remote monitoring station, this controller delivers dependable, efficient charging in a compact, waterproof package. \u003cstrong\u003eAdd to your system today and harness every watt from your solar array.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Genasun","offers":[{"title":"Default Title","offer_id":45901365117077,"sku":"GVB-8-Pb-12V-WP","price":250.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8974\/5557\/files\/genasun-gvb-8-wp-boost-controller-front-gvb-8-pb-12v-wp.png?v=1776965980"},{"product_id":"genasun-8a-mppt-36v-voltage-boost-for-lead-acid-waterproof","title":"Genasun 8A MPPT 36V Voltage Boost (Lead-Acid) - Waterproof Solar Charge Controller","description":"\u003ch2\u003eGenasun GVB-8-Pb-36V-WP: 8A MPPT Voltage Boost Solar Charge Controller for 36V Lead-Acid Batteries\u003c\/h2\u003e\n\u003ch3\u003eAdvanced MPPT Technology with Integrated Voltage Boost for Off-Grid, Marine, and Industrial Applications\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eGenasun GVB-8-Pb-36V-WP\u003c\/strong\u003e is a specialised \u003cstrong\u003eMPPT solar charge controller\u003c\/strong\u003e engineered to charge \u003cstrong\u003e36V lead-acid battery banks\u003c\/strong\u003e from lower-voltage solar panels. Unlike standard controllers that require panel voltage to exceed battery voltage, this unit’s integrated \u003cstrong\u003evoltage boost\u003c\/strong\u003e circuitry enables a 12V or 24V nominal solar array to efficiently charge a 36V system. This capability solves a critical challenge in mobile and remote installations where space constraints or existing panel configurations would otherwise prevent effective charging.\u003c\/p\u003e\n\u003cp\u003eDesigned and manufactured in the USA, the GVB-8-WP series is trusted in demanding environments including \u003cstrong\u003emarine, RV, golf cart, street lighting, and industrial off-grid systems\u003c\/strong\u003e. Its fully encapsulated, \u003cstrong\u003eIP68 waterproof\u003c\/strong\u003e construction protects against moisture, dust, and vibration, ensuring long-term reliability in harsh conditions.\u003c\/p\u003e\n\u003ch3\u003eTrue MPPT Performance with 15 Hz Tracking Speed\u003c\/h3\u003e\n\u003cp\u003eAt the core of the controller is a \u003cstrong\u003etrue Maximum Power Point Tracking (MPPT)\u003c\/strong\u003e algorithm operating at 15 Hz. This ultra-fast tracking speed allows the controller to continuously adapt to changing light conditions, extracting maximum available power from the solar array. Unlike “nominal MPPT” controllers that approximate the maximum power point, Genasun’s implementation delivers consistent, high-efficiency energy harvest throughout the day. This is particularly beneficial during intermittent cloud cover, dawn, dusk, and shaded conditions where slower controllers often underperform.\u003c\/p\u003e\n\u003cp\u003eWith a \u003cstrong\u003epeak electrical efficiency of 99%\u003c\/strong\u003e and typical operating efficiency between 96% and 98%, the GVB-8-Pb-36V-WP minimises conversion losses, ensuring more of the collected solar energy reaches the battery. This high efficiency reduces heat buildup within the controller, contributing to its wide operating temperature range of -40°C to 85°C.\u003c\/p\u003e\n\u003ch3\u003eEngineered for Harsh Environments\u003c\/h3\u003e\n\u003cp\u003eThe controller’s electronics are encased in a proprietary potting compound, providing complete protection against water ingress, salt spray, and corrosive atmospheres. This \u003cstrong\u003eIP68-rated waterproof design\u003c\/strong\u003e makes it suitable for marine deck mounting, vehicle underbody installation, and outdoor pole-mounted applications where exposure to the elements is unavoidable. The integrated mounting flanges allow secure attachment to flat surfaces, while the pre-stripped 16 AWG tinned flying leads simplify wiring.\u003c\/p\u003e\n\u003cp\u003eAn in-line 10A fuse is included for overcurrent protection, and the multicolour LED status indicator provides at-a-glance feedback on charging state, battery full, and error conditions. The wiring guide printed directly on the housing reduces installation errors and speeds up commissioning.\u003c\/p\u003e\n\u003ch3\u003eOptimised Multi-Stage Charging for Lead-Acid Batteries\u003c\/h3\u003e\n\u003cp\u003eThe GVB-8-Pb-36V-WP employs a \u003cstrong\u003emulti-stage charging profile\u003c\/strong\u003e with automatic temperature compensation to maximise battery life and performance. The profile includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk charge\u003c\/strong\u003e at 43.2V for rapid energy recovery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbsorption charge\u003c\/strong\u003e at 42.6V for 2 hours to ensure full saturation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloat charge\u003c\/strong\u003e at 41.4V to maintain the battery without overcharging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRe-bulk\u003c\/strong\u003e at 37.5V to restart the charge cycle when the battery voltage drops\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTemperature compensation adjusts the charge voltages at -84 mV\/°C (referred to 25°C), preventing overcharge in high temperatures and undercharge in cold conditions. This precise regulation is essential for flooded, AGM, and gel lead-acid batteries commonly used in off-grid and mobile applications.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated voltage boost allows charging 36V batteries from 12V or 24V solar panels\u003c\/li\u003e\n\u003cli\u003eTrue MPPT with 15 Hz tracking speed for superior low-light and variable condition performance\u003c\/li\u003e\n\u003cli\u003eUp to 99% peak electrical efficiency reduces energy loss and heat generation\u003c\/li\u003e\n\u003cli\u003eFully potted IP68 waterproof housing withstands immersion, salt spray, and dust\u003c\/li\u003e\n\u003cli\u003eMulti-stage charging with automatic temperature compensation for lead-acid chemistry\u003c\/li\u003e\n\u003cli\u003eWide -40°C to 85°C operating temperature range for extreme environments\u003c\/li\u003e\n\u003cli\u003ePre-wired with tinned 16 AWG flying leads and in-line 10A fuse for straightforward installation\u003c\/li\u003e\n\u003cli\u003eLED status indicator and printed wiring guide simplify setup and troubleshooting\u003c\/li\u003e\n\u003cli\u003eCompact and lightweight: 5.5\" x 3.2\" x 2.2\" (14cm x 8.1cm x 5.5cm), 10.3oz (290g)\u003c\/li\u003e\n\u003cli\u003eMade in the USA with high-quality components for long service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cp\u003eThe GVB-8-Pb-36V-WP is purpose-built for systems where a 36V lead-acid battery bank must be charged from a lower-voltage solar array. 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The minimum input voltage for charging is just 5V, enabling energy harvest even in very low-light conditions.\u003c\/p\u003e\n\u003ch3\u003eReliable Power Conversion for Critical Systems\u003c\/h3\u003e\n\u003cp\u003eBy eliminating the need to match panel voltage to battery voltage, the Genasun GVB-8-Pb-36V-WP reduces system design complexity and expands panel selection options. Its robust construction and advanced MPPT algorithm ensure dependable performance in applications where failure is not an option. Whether you are upgrading a golf cart charging system, building a marine solar array, or deploying remote off-grid equipment, this controller provides the efficiency and durability required for long-term operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEquip your 36V lead-acid system with the Genasun GVB-8-Pb-36V-WP today\u003c\/strong\u003e and experience the benefits of true MPPT voltage boost technology in a compact, waterproof package.\u003c\/p\u003e","brand":"Genasun","offers":[{"title":"Default Title","offer_id":45901402603669,"sku":"GVB-8-Pb-36V-WP","price":265.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8974\/5557\/files\/genasun-mppt-boost-controller-gvb-8-pb-36v-wp.png?v=1776965853"},{"product_id":"genasun-8a-mppt-12v-14-2v-voltage-boost-for-lithium-waterproof","title":"Genasun 8A MPPT 12V Voltage Boost (14.2V Lithium) - Waterproof Solar Charge Controller","description":"\u003ch2\u003eGenasun GVB-8-WP: Advanced MPPT Boost Solar Charge Controller for Lithium Batteries\u003c\/h2\u003e\n\u003ch3\u003eEngineered for Demanding Environments — Marine, RV, Industrial, and Off-Grid\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eGenasun GVB-8-WP (Boost) 8A MPPT\u003c\/strong\u003e is a purpose-built \u003cstrong\u003esolar charge controller\u003c\/strong\u003e designed to solve a critical challenge: charging higher-voltage batteries from lower-voltage solar panels. Whether you need to charge a 24V battery from a 12V panel or a 48V battery from a 36V panel, this controller’s unique \u003cstrong\u003evoltage boost technology\u003c\/strong\u003e delivers consistent, efficient power conversion where standard controllers fall short.\u003c\/p\u003e\n\u003cp\u003eUnlike conventional \u003cstrong\u003eMPPT solar charge controllers\u003c\/strong\u003e that require panel voltage to exceed battery voltage, the GVB-8-WP actively boosts input voltage, enabling flexible system design and maximising energy harvest from non-ideal panel configurations. This makes it an ideal choice for \u003cstrong\u003emarine solar systems\u003c\/strong\u003e, \u003cstrong\u003eRV solar setups\u003c\/strong\u003e, \u003cstrong\u003egolf carts\u003c\/strong\u003e, \u003cstrong\u003eelectric vehicles\u003c\/strong\u003e, and remote \u003cstrong\u003eoff-grid installations\u003c\/strong\u003e where space or shading limits panel size and voltage.\u003c\/p\u003e\n\u003ch3\u003eTrue MPPT with 99% Tracking Efficiency\u003c\/h3\u003e\n\u003cp\u003eAt the core of the GVB-8-WP is Genasun’s advanced \u003cstrong\u003eMaximum Power Point Tracking (MPPT)\u003c\/strong\u003e algorithm, operating at an industry-leading 15 Hz tracking speed. This ultra-fast tracking ensures the controller continuously adjusts to changing light conditions, extracting maximum available power from your solar array. With a \u003cstrong\u003e99% typical tracking efficiency\u003c\/strong\u003e, it outperforms many competitors that rely on slower or less precise “nominal MPPT” methods, delivering more energy into your battery bank every day.\u003c\/p\u003e\n\u003cp\u003eThe controller’s \u003cstrong\u003eexcellent low-light performance\u003c\/strong\u003e is particularly valuable in overcast conditions, early mornings, or shaded installations, where traditional controllers often fail to maintain charging. This capability ensures your batteries receive a charge even when solar irradiance is minimal, reducing reliance on backup power sources.\u003c\/p\u003e\n\u003ch3\u003eBuilt for Harsh Conditions: IP68 Waterproof and Fully Potted\u003c\/h3\u003e\n\u003cp\u003eDesigned to withstand the toughest environments, the GVB-8-WP features an \u003cstrong\u003eIP68 waterproof rating\u003c\/strong\u003e, meaning it is fully protected against dust ingress and continuous immersion in water. 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This construction makes the controller exceptionally reliable in \u003cstrong\u003emarine applications\u003c\/strong\u003e, \u003cstrong\u003evehicle-mounted systems\u003c\/strong\u003e, and outdoor installations exposed to rain, salt spray, or high humidity.\u003c\/p\u003e\n\u003cp\u003eWith an operating temperature range of \u003cstrong\u003e-40°C to 85°C\u003c\/strong\u003e and full power capability up to 70°C ambient, the GVB-8-WP maintains performance in extreme heat and cold, ensuring year-round reliability in Australian conditions.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage boost technology\u003c\/strong\u003e — charge 12V, 24V, 36V, or 48V batteries from lower-voltage solar panels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e99% peak MPPT tracking efficiency\u003c\/strong\u003e for maximum energy harvest\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP68 waterproof and fully potted\u003c\/strong\u003e — ideal for marine, vehicle, and outdoor use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-fast 15 Hz MPPT tracking\u003c\/strong\u003e adapts instantly to changing light\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-stage charging with temperature compensation\u003c\/strong\u003e for optimal battery health\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated 10A fuse\u003c\/strong\u003e for overcurrent protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-wired flying leads (16 AWG tinned wire)\u003c\/strong\u003e for straightforward installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact and lightweight\u003c\/strong\u003e — 14 x 8.1 x 5.5 cm, 290 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA\u003c\/strong\u003e with a 5-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOptimised for Lithium Batteries\u003c\/h3\u003e\n\u003cp\u003eThis model is specifically configured for \u003cstrong\u003e14.2V lithium (LiFePO4) batteries\u003c\/strong\u003e, with a multi-stage charge profile that includes bulk, absorption, and float stages, plus automatic temperature compensation. The precise voltage regulation ensures your lithium battery is charged safely and efficiently, maximising cycle life and performance. For lead-acid or other battery chemistries, alternative Genasun models are available.\u003c\/p\u003e\n\u003ch3\u003eFlexible System Design\u003c\/h3\u003e\n\u003cp\u003eThe GVB-8-WP accepts a wide input voltage range of \u003cstrong\u003e0-60V\u003c\/strong\u003e and can start charging from a panel voltage as low as \u003cstrong\u003e5V\u003c\/strong\u003e, making it compatible with a broad range of solar panels. With a maximum recommended panel power of up to \u003cstrong\u003e350W\u003c\/strong\u003e (depending on battery voltage), it supports substantial solar arrays while maintaining a compact footprint. The controller’s ability to boost voltage eliminates the need for complex series panel wiring, simplifying installation and reducing system cost.\u003c\/p\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine and boating\u003c\/strong\u003e — charge 24V or 48V battery banks from 12V solar panels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecreational vehicles (RVs) and caravans\u003c\/strong\u003e — maximise solar harvest with limited roof space\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGolf carts and electric vehicles\u003c\/strong\u003e — efficient charging from low-voltage panels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreet lighting and remote monitoring\u003c\/strong\u003e — reliable off-grid power in all weather\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial and military\u003c\/strong\u003e — rugged, waterproof design for critical applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUpgrade Your Solar Charging System Today\u003c\/h3\u003e\n\u003cp\u003eExperience the difference that true MPPT boost technology can make in your off-grid power system. Whether you’re outfitting a yacht, upgrading your RV, or building a remote industrial installation, the Genasun GVB-8-WP delivers unmatched efficiency and durability. \u003cstrong\u003eOrder now\u003c\/strong\u003e to ensure your batteries are always charged, no matter the conditions.\u003c\/p\u003e","brand":"Genasun","offers":[{"title":"Default Title","offer_id":45901455130773,"sku":"GVB-8-Li-14.2V-WP","price":260.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8974\/5557\/files\/genasun-mppt-boost-controller-gvb-8-li-14.png?v=1776965957"},{"product_id":"genasun-8a-mppt-24v-28-4v-voltage-boost-for-lithium-waterproof","title":"Genasun 8A MPPT 24V Voltage Boost (28.4V Lithium) - Waterproof Solar Charge Controller","description":"\u003ch2\u003eGenasun GVB-8-WP: Advanced MPPT Boost Charge Controller for 24V Lithium Systems\u003c\/h2\u003e\n\u003ch3\u003eEngineered for Demanding Environments — Waterproof, Efficient, and Reliable\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eGenasun GVB-8-WP\u003c\/strong\u003e is a high-performance \u003cstrong\u003eMPPT boost solar charge controller\u003c\/strong\u003e specifically configured for \u003cstrong\u003e24V lithium batteries\u003c\/strong\u003e with a 28.4V absorption voltage. Designed and manufactured in the USA, this controller solves a critical challenge in off-grid and mobile power systems: charging a higher-voltage battery bank from a lower-voltage solar array. Whether you need to charge a 24V battery from a 12V nominal panel or maintain a 48V system from a 36V array, the GVB-8-WP delivers consistent, efficient power conversion in a compact, fully sealed package.\u003c\/p\u003e\n\u003cp\u003eUnlike conventional controllers that rely on simplified or \"nominal\" MPPT algorithms, the GVB-8-WP employs \u003cstrong\u003etrue maximum power point tracking\u003c\/strong\u003e at an industry-leading 15Hz tracking speed. This ensures your solar array operates at its optimal power point even under rapidly changing light conditions, maximising energy harvest throughout the day. With a \u003cstrong\u003epeak conversion efficiency of 99%\u003c\/strong\u003e, this controller minimises losses and ensures more of your solar energy reaches the battery.\u003c\/p\u003e\n\u003ch3\u003ePurpose-Built for Harsh Conditions\u003c\/h3\u003e\n\u003cp\u003eEvery Genasun controller is \u003cstrong\u003efully encapsulated\u003c\/strong\u003e in a proprietary potting compound, achieving an \u003cstrong\u003eIP68 waterproof rating\u003c\/strong\u003e. This makes the GVB-8-WP ideal for marine, RV, golf cart, and industrial applications where exposure to moisture, salt spray, dust, and vibration is unavoidable. The fanless, solid-state design eliminates moving parts that can fail, while the wide operating temperature range of \u003cstrong\u003e-40°C to 85°C\u003c\/strong\u003e ensures reliable performance in extreme climates.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue MPPT tracking\u003c\/strong\u003e at 15Hz for rapid response to shading and cloud cover\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e99% peak efficiency\u003c\/strong\u003e reduces power loss and heat generation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP68 waterproof and dustproof\u003c\/strong\u003e — fully potted electronics for marine and outdoor use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated in-line fuse\u003c\/strong\u003e for overcurrent protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-wired flying leads\u003c\/strong\u003e with 16 AWG tinned wire for corrosion resistance and easy installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-stage charging\u003c\/strong\u003e with temperature compensation for lithium batteries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow self-consumption\u003c\/strong\u003e (6mA at night) preserves battery charge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact and lightweight\u003c\/strong\u003e at 290g — ideal for mobile and space-constrained installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOptimised for 24V Lithium Systems\u003c\/h3\u003e\n\u003cp\u003eThis model is factory-set for \u003cstrong\u003e24V lithium iron phosphate (LiFePO4) batteries\u003c\/strong\u003e with a bulk voltage of 28.8V and absorption at 28.4V. The multi-stage charging profile, combined with automatic temperature compensation, ensures safe and efficient charging without risk of overcharging. The controller can accept a \u003cstrong\u003emaximum panel input of 60V\u003c\/strong\u003e and supports up to \u003cstrong\u003e210W of solar\u003c\/strong\u003e when using a panel with a Vmp around 26V. This flexibility allows you to pair the GVB-8-WP with a wide range of solar modules, including high-voltage residential panels, for custom off-grid configurations.\u003c\/p\u003e\n\u003ch3\u003eApplications Where the GVB-8-WP Excels\u003c\/h3\u003e\n\u003cp\u003eThe voltage-boosting capability of this controller opens up possibilities that standard MPPT or PWM controllers cannot address. Common use cases include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine and RV systems\u003c\/strong\u003e: Charge a 24V house bank from a single 12V solar panel mounted on deck or roof.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGolf carts and electric vehicles\u003c\/strong\u003e: Maintain 24V or 48V traction batteries using compact, low-voltage solar arrays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote industrial monitoring\u003c\/strong\u003e: Power 24V telemetry or SCADA systems from small solar panels in inaccessible locations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOff-grid lighting\u003c\/strong\u003e: Run 24V LED streetlights or signage from a 12V panel, eliminating the need for a large array.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilitary and field deployments\u003c\/strong\u003e: Rugged, waterproof design meets MIL-STD requirements for portable power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose Genasun Over Generic Controllers?\u003c\/h3\u003e\n\u003cp\u003eGeneric boost controllers often suffer from slow tracking speeds, lower efficiency, and inadequate environmental protection. The GVB-8-WP addresses these shortcomings with \u003cstrong\u003e15Hz MPPT tracking\u003c\/strong\u003e that adapts to passing clouds or partial shading in milliseconds, not seconds. The \u003cstrong\u003e99% peak efficiency\u003c\/strong\u003e means less heat buildup and more power delivered to your battery, even in low-light conditions where other controllers struggle. The \u003cstrong\u003eIP68 waterproof encapsulation\u003c\/strong\u003e eliminates corrosion and condensation risks that plague vented or fan-cooled units, significantly extending service life in coastal or humid environments.\u003c\/p\u003e\n\u003ch3\u003eInstallation and Integration\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward with \u003cstrong\u003epre-stripped, tinned flying leads\u003c\/strong\u003e and an integrated mounting flange. The controller includes a \u003cstrong\u003estatus LED\u003c\/strong\u003e that indicates charging, standby, and full battery states at a glance. A \u003cstrong\u003ewiring guide\u003c\/strong\u003e is printed directly on the label for quick reference. For system protection, an \u003cstrong\u003ein-line fuse\u003c\/strong\u003e is included, and the controller’s electronic protections guard against reverse polarity, overcurrent, and over-temperature conditions.\u003c\/p\u003e\n\u003ch3\u003ePower Your 24V Lithium System with Confidence\u003c\/h3\u003e\n\u003cp\u003eEquip your off-grid, marine, or mobile power system with the \u003cstrong\u003eGenasun GVB-8-WP MPPT boost charge controller\u003c\/strong\u003e and experience the difference that true MPPT tracking and rugged waterproof construction can make. \u003cstrong\u003eOrder today\u003c\/strong\u003e to ensure your 24V lithium batteries receive the most efficient and reliable charge possible, wherever your adventures take you.\u003c\/p\u003e","brand":"Genasun","offers":[{"title":"Default Title","offer_id":45901455196309,"sku":"GVB-8-Li-28.4V-WP","price":299.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8974\/5557\/files\/genasun-gvb-8-wp-boost-mppt-controller-gvb-8-li-28.png?v=1776965957"},{"product_id":"genasun-8a-mppt-36v-41-7v-voltage-boost-for-lithium-waterproof","title":"Genasun 8A MPPT 36V Voltage Boost (41.7V Lithium) - Waterproof Solar Charge Controller","description":"\u003ch2\u003eGenasun GVB-8-WP: Advanced MPPT Boost Charge Controller for 36V Lithium Systems\u003c\/h2\u003e\n\u003ch3\u003eEngineered for Demanding Off-Grid, Marine, and Industrial Applications\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eGenasun GVB-8-WP 8A MPPT boost charge controller\u003c\/strong\u003e is purpose-built to solve a critical challenge in solar system design: charging higher-voltage batteries from lower-voltage solar panels. This \u003cstrong\u003ewaterproof MPPT controller\u003c\/strong\u003e enables a 12V or 24V nominal solar array to efficiently charge a 36V lithium battery bank, making it an essential component for \u003cstrong\u003eelectric vehicles, golf carts, marine systems, and remote off-grid installations\u003c\/strong\u003e where panel voltage is limited by space or configuration.\u003c\/p\u003e\n\u003cp\u003eUnlike conventional boost converters that rely on simple PWM or \"nominal MPPT\" algorithms, the GVB-8-WP employs \u003cstrong\u003etrue Maximum Power Point Tracking at 15 Hz\u003c\/strong\u003e, ensuring your panels operate at their optimal power point even under rapidly changing light conditions. This results in up to 30% more energy harvest compared to non-MPPT boost controllers, particularly during cloudy or low-light periods.\u003c\/p\u003e\n\u003ch3\u003eTrue MPPT vs. Nominal MPPT: Why It Matters\u003c\/h3\u003e\n\u003cp\u003eMany competing boost controllers claim MPPT functionality but actually use a fixed voltage multiplication factor, ignoring real-time variations in panel performance. Genasun's \u003cstrong\u003eultra-fast 15 Hz tracking\u003c\/strong\u003e continuously adjusts the input voltage to extract maximum available power, delivering \u003cstrong\u003e99% peak tracking efficiency\u003c\/strong\u003e. This is especially valuable in mobile applications where shading, tilt angle, and temperature fluctuations constantly alter the panel's maximum power point.\u003c\/p\u003e\n\u003ch3\u003eBuilt for Harsh Environments\u003c\/h3\u003e\n\u003cp\u003eThe GVB-8-WP is fully encapsulated in a proprietary potting compound, achieving an \u003cstrong\u003eIP68 waterproof rating\u003c\/strong\u003e that protects against dust, moisture, and vibration. This makes it suitable for \u003cstrong\u003emarine solar charging, vehicle-mounted systems, and outdoor industrial equipment\u003c\/strong\u003e where exposure to the elements is unavoidable. The controller operates reliably from \u003cstrong\u003e-40°C to 85°C\u003c\/strong\u003e, with full power output up to 70°C ambient, ensuring consistent performance in extreme climates.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue MPPT boost topology\u003c\/strong\u003e charges 36V lithium batteries from 12V or 24V panels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e99% peak tracking efficiency\u003c\/strong\u003e maximises energy yield in variable conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP68 waterproof and fully potted\u003c\/strong\u003e for marine, vehicle, and outdoor use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-stage charging with temperature compensation\u003c\/strong\u003e protects and extends lithium battery life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-low self-consumption (6 mA night draw)\u003c\/strong\u003e preserves battery charge during darkness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated in-line fuse and flying leads\u003c\/strong\u003e simplify installation and enhance safety\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA\u003c\/strong\u003e with a 5-year warranty for long-term reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOptimised for 36V Lithium Battery Banks\u003c\/h3\u003e\n\u003cp\u003eThis model is specifically configured for \u003cstrong\u003e36V lithium-ion batteries\u003c\/strong\u003e with a bulk charge voltage of 43.2V and float at 41.4V. The multi-stage charging algorithm includes temperature compensation to prevent overcharging in hot conditions and undercharging in cold, a critical feature for lithium chemistries that are sensitive to voltage extremes. With a maximum recommended panel power of 325W and panel Vmp up to 41V, it pairs perfectly with common 60-cell or 72-cell residential panels repurposed for mobile or off-grid use.\u003c\/p\u003e\n\u003ch3\u003eApplications Where the GVB-8-WP Excels\u003c\/h3\u003e\n\u003cp\u003eThis controller is ideal for scenarios where a higher battery voltage is required but panel voltage is constrained:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric golf carts and utility vehicles\u003c\/strong\u003e using 36V battery packs charged from a single 12V or 24V panel on the roof\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine solar systems\u003c\/strong\u003e where a 36V trolling motor battery needs charging from a compact 12V panel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote monitoring stations\u003c\/strong\u003e with 36V equipment powered by a small solar array\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOff-grid lighting and signage\u003c\/strong\u003e where 36V LED systems require reliable daytime charging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial IoT and telemetry\u003c\/strong\u003e installations needing a robust, maintenance-free charge solution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation and Wiring\u003c\/h3\u003e\n\u003cp\u003eThe controller features pre-stripped 16 AWG tinned flying leads for straightforward connection to your solar panel and battery. An in-line fuse is included to protect against overcurrent conditions. The compact dimensions (140 x 81 x 55 mm) and integrated mounting flanges allow secure installation in tight spaces. A multi-colour LED provides clear status indication: standby, charging, or battery full.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose Genasun?\u003c\/h3\u003e\n\u003cp\u003eGenasun controllers are engineered and manufactured in the USA to the highest standards, with a focus on efficiency, durability, and real-world performance. The GVB-8-WP's combination of true MPPT boost technology, IP68 waterproofing, and wide temperature tolerance makes it a superior choice over generic boost converters that often lack proper MPPT, environmental protection, or lithium-specific charging profiles.\u003c\/p\u003e\n\u003cp\u003eEquip your 36V lithium system with a charge controller that delivers maximum power, reliability, and longevity. \u003cstrong\u003eOrder the Genasun GVB-8-WP today\u003c\/strong\u003e and experience the difference that precision MPPT boost technology makes in your off-grid or mobile solar setup.\u003c\/p\u003e","brand":"Genasun","offers":[{"title":"Default Title","offer_id":45901455261845,"sku":"GVB-8-Li-41.7V-WP","price":299.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8974\/5557\/files\/genasun-mppt-boost-controller-gvb-8-li-41.png?v=1776965937"},{"product_id":"genasun-8a-mppt-48v-56-8v-voltage-boost-for-lithium-waterproof","title":"Genasun 8A MPPT 48V Voltage Boost (56.8V Lithium) - Waterproof Solar Charge Controller","description":"\u003ch2\u003eGenasun GVB-8-WP Boost MPPT: Advanced Voltage-Boosting Solar Charge Controller for 48V Lithium Systems\u003c\/h2\u003e\n\u003ch3\u003eEngineered for Demanding Off-Grid, Marine, and Industrial Applications\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eGenasun GVB-8-WP Boost MPPT\u003c\/strong\u003e is a specialised solar charge controller designed to solve a critical challenge: charging higher-voltage battery banks from lower-voltage solar arrays. This model is factory-configured for \u003cstrong\u003e48V LiFePO4 (16S) lithium batteries\u003c\/strong\u003e with a 56.8V absorption voltage, making it an ideal choice for electric vehicles, golf carts, and industrial equipment where a 48V system is standard but roof space limits panel voltage. Unlike conventional controllers that require the panel voltage to exceed the battery voltage, the Genasun’s unique boost topology efficiently steps up the voltage, enabling a 12V, 24V, or 36V nominal solar panel to charge a 48V battery bank.\u003c\/p\u003e\n\u003cp\u003eWith a \u003cstrong\u003e99% peak tracking efficiency\u003c\/strong\u003e and an ultra-fast \u003cstrong\u003e15Hz MPPT sweep rate\u003c\/strong\u003e, this controller extracts maximum available power even under rapidly changing light conditions. Its advanced electronics are fully encapsulated in a proprietary potting compound, achieving an \u003cstrong\u003eIP68 waterproof rating\u003c\/strong\u003e for reliable operation in wet, humid, or washdown environments. Whether you’re retrofitting a golf cart, building a marine solar system, or deploying remote industrial equipment, the GVB-8-WP delivers consistent, efficient charging without the bulk or complexity of larger MPPT units.\u003c\/p\u003e\n\u003ch3\u003eTrue MPPT vs. Nominal MPPT: Why Tracking Speed Matters\u003c\/h3\u003e\n\u003cp\u003eMany controllers claim MPPT functionality but use slow, infrequent sweeps that can miss the true maximum power point, especially when clouds pass or partial shading occurs. The Genasun GVB-8-WP performs a full MPPT sweep \u003cstrong\u003e15 times per second\u003c\/strong\u003e, ensuring it locks onto the optimal operating voltage almost instantly. This \u003cstrong\u003etrue MPPT\u003c\/strong\u003e capability translates to higher daily energy yield and better performance in low-light conditions, such as early morning, late afternoon, or overcast days. For systems where every watt-hour counts, this responsiveness provides a measurable advantage over generic PWM or slow-tracking MPPT controllers.\u003c\/p\u003e\n\u003ch3\u003eBuilt for Harsh Environments: IP68 Waterproof and Rugged Construction\u003c\/h3\u003e\n\u003cp\u003eThe controller’s electronics are sealed within a solid block of thermally conductive potting material, eliminating the risk of corrosion from salt spray, humidity, or condensation. This construction, combined with a compact aluminium housing, allows the GVB-8-WP to operate in ambient temperatures from \u003cstrong\u003e-40°C to 85°C\u003c\/strong\u003e and at full power up to 70°C. There are no cooling fans to fail or vents to allow moisture ingress, making it a truly maintenance-free solution for marine, vehicle, and outdoor installations. The integrated mounting flange and pre-stripped 16 AWG tinned flying leads simplify installation, while the in-line fuse provides essential overcurrent protection.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage boost topology\u003c\/strong\u003e charges 48V LiFePO4 batteries from lower-voltage solar panels (12V, 24V, or 36V nominal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e99% peak MPPT tracking efficiency\u003c\/strong\u003e with 15Hz sweep rate for rapid response to changing irradiance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP68 waterproof and dust-tight\u003c\/strong\u003e – fully potted electronics withstand submersion and harsh marine conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide operating temperature range\u003c\/strong\u003e (-40°C to 85°C) with full power output up to 70°C ambient\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-stage charging with temperature compensation\u003c\/strong\u003e optimised for 16S LiFePO4 (56.8V absorption, 55.2V float)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow self-consumption\u003c\/strong\u003e (5mA at night) minimises battery drain when solar is unavailable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact and lightweight\u003c\/strong\u003e (290g) with integrated mounting flange and pre-wired leads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA\u003c\/strong\u003e with a 5-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cp\u003eThe GVB-8-WP 48V lithium model is purpose-built for scenarios where a 48V battery bank must be charged from a solar array with a lower nominal voltage. Common use cases include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric golf carts and utility vehicles\u003c\/strong\u003e – utilise a single 12V or 24V panel on the roof to maintain the 48V traction battery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine and RV systems\u003c\/strong\u003e – charge 48V house banks from limited deck or roof space without reconfiguring panels in series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial off-grid equipment\u003c\/strong\u003e – power remote monitoring stations, telemetry systems, or lighting where 48V is the standard bus voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreet lighting and security systems\u003c\/strong\u003e – pair a small 12V panel with a 48V battery for compact, efficient energy storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBy eliminating the need to match panel voltage to battery voltage, this controller reduces system design constraints and allows the use of smaller, more readily available solar panels. It also mitigates the risk of shading-related performance loss that can plague high-voltage series strings, as a single lower-voltage panel is less affected by partial shading than a long series string.\u003c\/p\u003e\n\u003ch3\u003eTechnical Considerations\u003c\/h3\u003e\n\u003cp\u003eFor optimal performance, the recommended maximum panel Vmp is 43V, with a maximum input voltage of 60V and a rated panel input current of 8A. This allows a maximum recommended panel power of approximately 350W. The controller requires a minimum battery voltage of 9.5V to start and can begin charging from a panel voltage as low as 5V. The multi-stage charge profile includes bulk, absorption (2 hours), and float stages, with automatic temperature compensation to protect the battery from overcharging in hot conditions. The 16 AWG tinned wire leads are pre-stripped for quick connection, and the in-line fuse holder accepts standard automotive blade fuses for easy replacement.\u003c\/p\u003e\n\u003cp\u003eNote: This controller is designed for lithium iron phosphate (LiFePO4) batteries with a 16-cell series configuration. Ensure your battery’s recommended charge voltages align with the factory-set profile (56.8V absorption, 55.2V float). For other battery chemistries or voltages, Genasun offers alternative models.\u003c\/p\u003e\n\u003ch3\u003eUpgrade Your 48V Solar Charging System Today\u003c\/h3\u003e\n\u003cp\u003eExperience the reliability and efficiency of Genasun’s boost MPPT technology. Whether you’re maintaining a golf cart fleet, powering a remote industrial site, or building a robust marine energy system, the GVB-8-WP 48V lithium controller provides a compact, waterproof, and highly efficient charging solution. \u003cstrong\u003eAdd the Genasun GVB-8-WP to your system today and harness more solar energy with less panel.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Genasun","offers":[{"title":"Default Title","offer_id":45901455392917,"sku":"GVB-8-Li-56.8V-WP","price":299.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8974\/5557\/files\/genasun-mppt-controller-gvb-8-li-56.png?v=1776753596"}],"url":"https:\/\/www.exotronic.com.au\/collections\/charge-controllers-waterproof.oembed?type=grid","provider":"Exotronic","version":"1.0","type":"link"}