Compact lithium battery for energy storage. 51.2V voltage, 100AH capacity, 5120WH energy. For 48V systems, perfect for solar, UPS, and backup power. Space-saving standing design. The iTel IPW-51100 is a wall-mounted 48V 100Ah (5.12kWh) Lithium Battery (LiFePO4 battery) with 4,000+ cycles and intelligent BMS protection. Featuring 100A continuous discharge, IP65 rating, and 15-unit parallel support, it's perfect for whole-home solar storage, commercial backup, and off-grid systems. Built for -20°C to +60°C operation with 10-year design life.