12.8V 20AH LiFePO4 Battery, a high-performance deep cycle lithium battery for solar storage, RV backup power, and UPS systems. Lightweight, long-life 2000+ cycles, 12.8V 20Ah LFP cell with stable voltage, ideal for outdoor & indoor energy storage, medical devices, camping trailers, and emergency lighting. Premium drop-in replacement for lead-acid batteries.More