12.8V 100AH LiFePO4 Battery 100Ah Deep Cycle Lithium Iron Phosphate for Solar Storage RV Backup Power. High energy density, long cycle life, and stable performance ideal for solar energy storage, RVs, camping trailers, UPS backup, medical devices, and portable power applications. Lightweight, maintenance-free, and eco-friendly alternative to lead-acid batteries with superior safety and deep discharge capability up to 80% DoD.More