Specifications Voltage Normal : 12 VDC in 6 Cell Capacity @20Hr : 7.5Ah @0.38A/ 4.4W @ 5Hr : 5.8Ah @1.16A/13.6W @ 1Hr : 4.3Ah @4.35A/ 50W @15min : 3.4Ah @13.5A/144W (*UPS) @ 5min : 2.2Ah @26.1A/269W (*UPS) Max. Discharge : 100A @14C Max. Charge Current : 2.1A @0.3C Internal Resistance : Apporx. 18 mΩ Full Charge at 25ºC Design Float Life : 5 years at 25 ºC Cycle Lift Service : 1500 cycles at DOD 25% Float Charge Voltage : 14.4-15.0V (-30mV/ºC) at 25ºC Cycle Charge Voltage : 13.5-13.8V (-20mV/ºC) at 25ºC Operation Temp. : Normal 25+/-3 ºC : Discharge -15 – 50 ºC : Charge -15 – 50 ºC : Storage -15 – 50 ºC Self Discharge : more than 6 Month at 25ºC Terminal : F1/T250 , F2/T187 (Option) Container Material : ABS UL94 HB-0 (Option :UL94V