EV Grade A LiFePO4 Cells 4000+ Cycles at 100% DOD & 10+ Years Lifetime 100% BMS Protection & 3% Low Self-discharging Rate 1280Wh of Large Energy, 1280W of High Output Power 24.25 lbs, 1/5 the Weight of 12V 200Ah Lead-acid Batteries, but same energy (1C discharging) 3 Charging Ways & 10X Charging Efficiency Flexible in Series and Parallel (Max 4S4P, up to 20.48kWh) Group 31 Battery Size (L13*W6.77*H8.43 inch ) Suitable for RVs/30~70 lbs Trolling Motors, Solar, Home Energy Storage, Off-grid Clean/Eco-friendly/Cost-effective Certified by UL, FCC, CE, ROSH, UN38.3 Note: This 12V 100Ah battery is suitable for energy storage rather than start-up.