Product name:24V 20Ah LiFePO4 Battery Model: 186508S13P Rated Capacity: 20Ah (Standard discharge(0.2C C5A) after Standard charge) Nominal Voltage :24V (Mean Operation Voltage During Standard Discharge After Standard Charge) Over discharge protection voltage:18.5V±0.05V (Discharge Cut-off Voltage) The overcharge protection voltage: 29.2V±0.05V (Charging voltage) AC (1KHz) Impedance New Cell Max.(mΩ):≤ 120 mΩ Maximum Continuous Charge Current:≤10A Maximum Continuous Discharge Current:≤15A Maximum Pulse discharge current:≤45A Operation Temperature Range:Charge: 0~45℃,Discharge: -20~60℃; Storage Temperature Range:Less than 1 year: -20~25℃,less than 3 months: -20~40℃; Storage Temperature Range:Less than 30 Days: -25℃~45℃,less than 90 Days: -25℃~30℃; Weight: 4.9kg Cycle Characteristic:2000 times(100% DOD, the residual capacity is no less than 80% of rated capacity at 0.5C rate.) Export:4 wires, 15 inches long, 2.5mm² Red, Black. 3Cell Dimension:Length: Max.265mm,Width: Max.152mm,Thickness: Max.75 mm