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Power-Sonic 12V 128Ah AGM Deep Cycle Battery
128Ah Capacity, Oversized Plates for Extended Cycle Life, 408x177x225mm
DESCRIPTION
Power-Sonic PDC-121300: 128Ah AGM Deep Cycle Battery for Reliable Off-Grid Energy
Engineered for Sustained Deep Cycling in Caravans, Marine, and Mobility Applications
The Power-Sonic 12V 128Ah AGM Deep Cycle Battery is purpose-built for applications demanding regular, deep discharges and reliable recharge cycles. Part of the PDC series, it features oversized negative plates and a specialised paste formulation that delivers consistent power over extended periods, reducing the risk of premature capacity loss common in standard batteries used for cycling. This makes it an excellent choice for caravan solar systems, marine house banks, mobility scooters, and other deep cycle applications where dependable energy storage is critical.
Unlike conventional flooded batteries, the Absorbent Glass Mat (AGM) technology immobilises the electrolyte, enabling spill-proof, maintenance-free operation in any orientation except inverted. The valve-regulated design eliminates the need for watering and minimises gas emissions, making it safer for enclosed spaces like caravans and boat compartments. With a nominal capacity of 128Ah at a 20-hour rate, this battery provides ample reserve for multi-day off-grid adventures or daily mobility use.
Key Features
- True deep cycle design with oversized negative plates and advanced paste for extended cycle life
- AGM construction ensures leak-proof, vibration-resistant performance in mobile environments
- High energy density delivers more usable power per kilogram compared to many flooded equivalents
- Low internal resistance (approx. 3.6 mΩ) supports efficient charging and higher discharge rates
- Rugged ABS case (UL94-HB) withstands impacts and harsh conditions
- Certified for air transport (D.O.T., I.A.T.A., F.A.A., C.A.B.) and U.L. recognised (MH 20845)
- Integrated carry handles simplify lifting and installation despite the 37.3 kg weight
Optimised for Deep Discharge Recovery
Deep cycle batteries often face deep discharges that can permanently damage standard batteries. The PDC series incorporates special additives in the paste that enhance recovery from deep discharge events, helping to maintain capacity over hundreds of cycles. This resilience is particularly valuable in solar storage systems where daily depth of discharge can reach 50% or more, or in mobility scooters that require consistent power throughout the day.
Versatile Applications
This battery is suited to a wide range of 12V deep cycle applications:
- Caravans and RVs: Powers lights, pumps, and appliances during extended off-grid stays
- Marine: Ideal for trolling motors, fish finders, and house loads on boats
- Camping: Reliable energy for portable fridges, lighting, and charging stations
- Mobility Scooters and Electric Bikes: Provides the deep cycle endurance needed for daily use
- Off-Grid Solar: Stores energy from solar panels for use at night or during cloudy periods
Installation and Charging Recommendations
For optimal performance and lifespan, pair this battery with a quality charger like the Power-Sonic PSC-1212000ACX. For cyclic use, charge at 14.1–14.7V at 20°C with current limited to less than C/5 Amps (approx. 25.6A). For float service, maintain 13.5–13.8V. The M8 terminal bolts (approx. 5/16"-18) accept standard ring lugs, and the compact dimensions (408mm L x 177mm W x 225mm H) fit common battery trays. Note that operating temperature ranges are 0°C to 40°C for charging and -20°C to 55°C for discharging, so consider thermal management in extreme climates.
Why Choose the Power-Sonic PDC Series?
Compared to generic AGM batteries, the PDC series is engineered specifically for deep cycling, with a focus on cycle life and recovery. The oversized negative plates and specialised paste reduce the risk of sulfation and capacity walk-down, problems that plague standard batteries when cycled deeply. This translates to lower total cost of ownership and fewer replacements over the life of your system.
Whether you're upgrading your caravan's house battery, building a marine electrical system, or powering a mobility device, the Power-Sonic 12V 128Ah AGM Deep Cycle Battery offers the durability and performance needed for demanding off-grid applications.
Ready to power your next adventure? Order the Power-Sonic 128Ah AGM Deep Cycle Battery today and experience reliable, maintenance-free energy storage built for the long haul.
SKU: PDC121300
SPECIFICATIONS
Specifications
| Series | PDC Series - Deep Cycle AGM |
|---|---|
| Nominal Voltage | 12.0 Volts (6.0 cells) |
| Nominal Capacity 20-hr. (6.4 A to 10.8 Volts) | 128.0 Ah |
| Nominal Capacity 10-hr. (12.0 A to 10.8 Volts) | 120.0 Ah |
| Nominal Capacity 5-hr. (21.6 A to 10.2 Volts) | 108.0 Ah |
| Nominal Capacity 1-hr. (81.2 A to 9.6 Volts) | 81.2 Ah |
| Approximate Weight | 82.23 lbs (37.3 kg) |
| Length | 16.06 in (408.0 mm) |
| Width | 6.97 in (177.0 mm) |
| Height | 8.86 in (225.0 mm) |
| Total Height | 8.86 in (225.0 mm) |
| Dimensional Tolerances | +/- 0.08 in (+/- 2 mm) for length, width, and height dimensions |
| Internal Resistance (Approx.) | 3.6 mΩ |
| Max Short Circuit Discharge Current | 2400.0 A |
| Operating Temperature Range Charge | 32 °F (0 °C) to 104 °F (40 °C) |
| Operating Temperature Range Discharge | -4 °F (-20 °C) to 131 °F (55 °C) |
| Case | ABS |
| Configuration Options | PDC-121300 M8 |
| Recommended Power-Sonic Charger | PSC-1212000ACX |
| Cycle Applications | Apply constant voltage charge at 2.35 VPC to 2.45 VPC (14.1 to 14.7 Volts for 12 V Monobloc) at 20 °C. The initial charging current should be set at less than C/5 Amps. |
| Stand-By or Float Service | Apply constant voltage charge of 2.25 VPC to 2.30 VPC (13.5 to 13.8 Volts for 12 V Monobloc) at 20 °C. |
| SKU: | PDC121300 |
| Model #: | PDC121300 |
| MPN: | PDC121300 |
WARRANTY
Power-Sonic Batteries are warranted throughout Australia against faulty workmanship and materials. Depending on the battery and application the amount of time covered varies (refer below for details).
If a Power-Sonic Battery is defective (other than for the warranty exclusions specified below) during that period, we will replace or repair it at our cost. To make a claim please return the part to Solar 4 RV's. Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality. The benefits under this warranty are in addition to other rights and remedies you may have at law. This voluntary warranty is given by Solar 4 RV's.
PS & PSH Series 12 months when used in standby applications 6 months when used in cyclic applications PG Series 24 months when used in standby applications 12 months when used in cyclic applications if average depth of discharge does not exceed 50% 6 months when used in mobility applications (including but not limited to wheelchair, electric scooter, pallet jack, golf buggy) PDC Cyclic & DCG Gel Series 12 months when used in standby and cyclic applications Powersports Motorcycle and Jet Ski Series 12 months warranty PSOPzV – 3 Years full replacement when used in standby or cyclic applications Warranty commences from date of purchase.
Warranty Conditions- This warranty does NOT cover: Normal wear and tear, Transportation costs to and from the place of purchase, Labour for removal and replacement of the unit unless prior written approval has been obtained from Solar 4 RV's, Parts which have been subjected to deliberate abuse, Conditions resulting from abnormal wear, negligence, alterations or accidents, Incorrect fitment, Parts used in an incorrect application or parts that are not used for their intended purpose.
Exotronic provides high-quality products and solutions tailored for B2B and commercial customers, including commercial businesses, caravan manufacturers, marine electricians, OEMs, as well as emergency services, and more.
