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The ROCKSOLAR 12.8V 100Ah is a deep-cycle LiFePO4 battery rated at 1,280Wh, built for marine, RV, solar and off-grid power banks. Its standout numbers are a 150A continuous and 300A peak discharge, a 6,000+ cycle rating and an 11-year warranty, all in a 27 lb case with an integrated BMS. That cycle count is well above the 3,500 cycles of ROCKSOLAR's smaller 18Ah model and in line with premium lithium rivals, which typically land between 3,000 and 6,000 cycles. It suits owners replacing lead-acid banks or building a high-draw 12V system who want long service life and strong current output.
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Ratings are strong at 4.7 out of 5, but the sample is small at 14 ratings, so feedback is limited. Buyers who rate it highly point to the current output and build quality for the capacity.
This is a 12.8V, 100Ah deep cycle lithium iron phosphate (LiFePO4) battery with 1,280Wh of energy. It has an integrated battery management system (BMS) that protects against overcharge, over-discharge, short circuit and temperature extremes.
The battery has a flat voltage curve, so output stays consistent until it is fully discharged. It is rated for 6,000+ cycles. It supports 150A of continuous discharge and 300A peak discharge for 3 seconds.
It is intended for marine and boating use, solar systems, RVs, off-grid cabins and other high-capacity power applications.
