Technical Overview
The Rolls S12-290AGM is a high-capacity 12V sealed AGM deep cycle battery designed for demanding energy storage needs in off-grid solar, marine, RV, and backup power applications. With a remarkable 290Ah capacity at the 100-hour rate and 260Ah at the 20-hour rate, this Group 8D battery delivers reliable, maintenance-free power to support long-duration use and deep cycling. Featuring valve-regulated AGM technology within a rugged ABS container, the S12-290AGM provides spill-proof safety and durability. Its outstanding cranking power with 1525 Cold Crank Amps (CCA) and 1830 Marine Crank Amps (MCA) makes it ideal for both engine starting and sustained energy storage under harsh conditions. Key Features Sealed AGM Technology: Maintenance-free, valve-regulated, and spill-proof with integrated flame arrestor for enhanced safety. Exceptional Capacity: 290Ah at 100-hour rate and 260Ah at 20-hour rate for reliable deep cycle performance. High Starting Power: 1525 CCA and 1830 MCA deliver powerful engine starts in cold and marine environments. Durable Construction: Flame-retardant ABS container with rope handles for safe handling and installation. Extended Reserve Capacity: 578 minutes at 25A draw for long-lasting energy supply during outages or off-grid use. Low Self-Discharge: Retains charge with less than 2% monthly self-discharge at 25°C, suitable for standby use. Versatile Applications: Ideal for solar energy systems, marine vessels, recreational vehicles, and backup power. Group 8D Size: Compact footprint (522mm x 269mm x 245mm) for flexible installation in demanding setups. Specifications Weight 74 kg 163 lbs Length 522 mm 20.55 " Width 269 mm 10.59 " Height Incl. Term. 245 mm 9.65 " Product measurements & weights are calculated based on sample data. Individual