EcoFlow Power Kits Battery 51.2V 40Ah 2048Wh. 2kWh LFP Battery. • Built-in auto heating to use in as low as -20°C. • Stackable and expandable up to 6kWh. • Hot-swap enabled for safety protection. • Advanced BMS for battery protection and smart control. • Long-lasting, 3000+ 100% charging cycles. The 2KWh LFP battery consists of 32 cells (20AH each cell) in 16S2P.. Nominal voltage is 16×3.2V=51.2V.. Self-heating. With built-in auto-heating, you can use the batteries safely in temperatures as low as -4°F (-20°C).. Stackable and Expandable. Available in two sizes, 2kWh stack up to 3 for a capacity of up to 6kWh.. Safety First. Hot-swap enabled.. Advanced BMS Protection. Power Kits Battery Management System protects against:. Single-cell over-voltage protection. Single-cell under-voltage protection. Discharging over-current protection. Discharging overheat protection. Discharging low-temperature protection. Charging over-current protection. Charging overheat protection. Charging low-temperature protection. Specifications. Net Weight. Approx. 17.1 Kg. Dimensions. 348 x 198 x 285 mm. Nominal Capacity. 2048Wh(40Ah). Nominal Voltage. 51.2V. Configuration. 16S2P. Charging Cut-off Voltage. 57.6V. Discharging Cut-off Voltage. 40V. Max Continued Charging Current. 32A. Max Continued Discharge Current. 80A. Battery Chemistry. LiFePO4. Cycle Life. 3,000 cycles to 80% capacity. IP Rating. IP54