51.2V 100Ah 5120Wh Server Rack LiFePO4 4500+ Deep Cycle Rechargeable Lithium Battery 5120 Wh -Built With Smart BMS High performance True A+ cells*16 Internally serviceable and replaceable. Cells rated at 80% capacity after 4000 cycles, 100% DOD @1C Rate 80% DOD .5C Rate typical capacity over 7000 cycles. 48 Volt (51.2V nominal) 100Ah, 5.12 kWh 20 year typical life and 10 year warranty Built in intelligent Battery Management System (BMS) to provide automated and maintenance-free battery operation 5 temperature sensors for protection from low and high temperatures Pre-charge circuitry to prevent BMS damage. Removable cover, user serviceable and replaceable BMS and other components. RS485 & CAN Bus communication, compatible with multiple inverters via display and keypad (be sure to choose the right communication cable). Rack mountable design for quick and easy installation into standard 19" EIA server racks and custom KAIMEIWEI server racks