12V 50Ah LiFePO4 Lithium Battery Deep Cycle BMS for RV Boat Marine Solar Panel
MODEL: 50Ah 12.8V(4S9P). Rated capacity: 50Ah(640WH). Automotive Grade LiFePO4 Cells with higher energy density, more stable performance & greater power. 【1/3 Lightweight】LiFePO4 Battery weighs only 15.4 lbs for one module, only 1/3 the weight of lead acid batteries.