Battery Type: LifePO4, Normal Voltage : 51.2 Normal Capacity: 51.20, Voltage Window: 44.8-58.4 Folat Charge Voltage: 55.2 Max. Continue Discharge Current(A): 100 Max. Pulse Discharge (A): 200A 30 Sec Cell Equalizer Current (A):1-5A Max Storage Temperature: 0-30 C, Safety Duration ; 06 Months, Safety Standards: UN38.3, IEC62619, MSDS, CE, IP Degree: IP20 Protection : Overcharge, Over Discharge, Over Current, Short Circuit, Over Temperature