Nominal capacity 250Ah Nominal operating voltage 48V (51.2V) Power reserve 12.8 kWh Input characteristics Full charge voltage 57.6-60V Input voltage range 30-150V Output characteristics Output current 100A Discharge cut-off voltage 40-46V Short-term starting current 300A (for 10 sec) Cell type LiFePO4 Battery / LFPStorage temperature range Short term (up to 1 month) -20C to 40C and long term (up to 1 year) 10C-35C Recommended operating temperature range 10C-40C Ambient humidity less than or equal to 75% (without condensation) Self-discharge (at a temperature of 25C) less than 3% per month Depth of discharge more than 80%Number of cycles 6000 (with discharge more than 50%)Dimensions 798±2×565±2×401±2mm