{"product_id":"genasun-8a-mppt-24v-28-4v-voltage-boost-for-lithiu","title":"Genasun 8A MPPT 24V Voltage Boost (28.4V Lithium) Solar Charge Controller","description":"\u003ch2\u003eGenasun GVB-8-Li-28.4V: 8A MPPT Boost Solar Charge Controller for 24V Lithium Batteries\u003c\/h2\u003e\n\u003ch3\u003eAdvanced MPPT Boost Technology for Efficient 24V Lithium Charging from Lower Voltage Panels\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eGenasun GVB-8-Li-28.4V\u003c\/strong\u003e is a high-performance \u003cstrong\u003eMPPT boost solar charge controller\u003c\/strong\u003e engineered to charge \u003cstrong\u003e24V lithium battery banks\u003c\/strong\u003e from solar panels with a lower voltage output. Unlike conventional controllers that step down voltage, this unit employs a sophisticated boost topology to elevate panel voltage, enabling the use of larger, more cost-effective panels. This approach reduces overall system cost while maximising energy harvest in space-constrained installations such as caravans, marine vessels, and remote off-grid sites.\u003c\/p\u003e\n\u003cp\u003eDesigned for \u003cstrong\u003emission-critical reliability\u003c\/strong\u003e, Genasun controllers are trusted in the world's most demanding environments—from Antarctic research stations to high-altitude solar aircraft. Each unit is manufactured in the USA and undergoes comprehensive electrical testing to ensure dependable operation when it matters most.\u003c\/p\u003e\n\u003ch3\u003eHigh-Speed MPPT: 15Hz Tracking for Dynamic Conditions\u003c\/h3\u003e\n\u003cp\u003eStandard MPPT controllers often use a slow \"sweep and sleep\" algorithm, scanning the panel's power curve every 30–60 seconds. This is adequate for stationary panels under clear skies but falls short in mobile or variable weather scenarios. The Genasun GVB-8 features a \u003cstrong\u003e15Hz MPPT tracking speed\u003c\/strong\u003e, adjusting to changing irradiance 15 times per second. This rapid response captures more energy during cloud transients, shading, and when panels are mounted on moving vehicles, delivering up to 99%+ tracking efficiency.\u003c\/p\u003e\n\u003ch3\u003eOptimised for 24V Lithium Systems\u003c\/h3\u003e\n\u003cp\u003ePre-configured for \u003cstrong\u003e24V lithium iron phosphate (LiFePO4) batteries\u003c\/strong\u003e with a constant voltage of 28.4V, this controller implements a precise CC-CV (Constant Current – Constant Voltage) charge profile. The advanced computer-controlled algorithm ensures safe, full charges that extend battery lifespan and maintain capacity. With an electrical efficiency of 96–98% typical, minimal energy is lost during conversion, maximising the power delivered to your battery.\u003c\/p\u003e\n\u003ch3\u003eBuilt for Harsh Environments\u003c\/h3\u003e\n\u003cp\u003eThe GVB-8 is fully encapsulated in a rugged, \u003cstrong\u003ewaterproof housing\u003c\/strong\u003e, making it suitable for marine, coastal, and high-humidity installations. It operates reliably across a wide temperature range and includes essential protections against over-current, over-temperature, and reverse polarity. The fanless, potted design eliminates moving parts that can fail, ensuring silent, maintenance-free operation for years.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoost MPPT topology\u003c\/strong\u003e charges 24V batteries from panels with Vmp as low as 5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15Hz high-speed tracking\u003c\/strong\u003e adapts to changing light in milliseconds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof, potted enclosure\u003c\/strong\u003e resists moisture, salt spray, and vibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-set for 24V lithium\u003c\/strong\u003e with 28.4V CV and CC-CV charging profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e96–98% typical efficiency\u003c\/strong\u003e reduces thermal stress and energy loss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow night consumption\u003c\/strong\u003e of just 6mA preserves battery charge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide panel compatibility\u003c\/strong\u003e supports up to 350W with 8A input current\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCost-Effective System Design\u003c\/h3\u003e\n\u003cp\u003eBy allowing a single large panel to charge a higher voltage battery, the boost controller eliminates the need for multiple smaller panels wired in series. Larger panels typically have a lower cost per watt, so this approach can significantly reduce your total system expenditure while simplifying wiring and mounting. The GVB-8 accepts a maximum panel power of 350W (with ~155mm cells) and an absolute maximum Voc of 63V, providing flexibility in panel selection.\u003c\/p\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eIdeal for \u003cstrong\u003ecaravan solar systems\u003c\/strong\u003e, \u003cstrong\u003emarine battery charging\u003c\/strong\u003e, \u003cstrong\u003eremote telemetry\u003c\/strong\u003e, and any off-grid installation where panel voltage is lower than battery voltage. Its compact, lightweight design and waterproof construction make it particularly suited to mobile and exposed environments.\u003c\/p\u003e\n\u003ch3\u003eUpgrade Your Off-Grid Power System\u003c\/h3\u003e\n\u003cp\u003eEquip your installation with the \u003cstrong\u003eGenasun GVB-8-Li-28.4V MPPT boost controller\u003c\/strong\u003e for reliable, efficient charging in the toughest conditions. Order today and experience the difference that high-speed MPPT and rugged engineering can make in your energy system.\u003c\/p\u003e","brand":"Genasun","offers":[{"title":"Default Title","offer_id":45901402407061,"sku":"GVB-8-Li-28.4V","price":280.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8974\/5557\/files\/genasun-gvb-8-li-28.png?v=1776965871","url":"https:\/\/www.exotronic.com.au\/products\/genasun-8a-mppt-24v-28-4v-voltage-boost-for-lithiu","provider":"Exotronic","version":"1.0","type":"link"}