Nominal voltage: 3.2V Nominal capacity: 304Ah Battery type: Lithium Iron Phosphate(Lifepo4)Cell Model: LF304 Charge cut-off voltage: 3.65V Discharge cut-off voltage: 2.5V Standard charge current: 152A Standard discharge current: 152A Max continuous discharge current: 304A Peak discharge current: 608A(1-3S) Charge temperature: 0~55â?? Discharge temperature: -20~65â?? Internal Resistance: 0.16m Cycle life: >4000 cycles @0.5C/0.5C at 25 Weight: Approx 5.6Kg Dimension(L*W*H): 173.7 ±0.5mm*71.7 ±0.8mm*207.2 ±0.5mm