Power-Sonic 12V 128Ah AGM Deep Cycle Battery

Power-Sonic 12V 128Ah AGM Deep Cycle BatteryPower 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

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.