Product name:12.8V 40Ah LiFePO4 Battery
Model: HLY-4F40   (HOLY 18650R4S25P)
Rated Capacity: 40Ah   (Standard discharge(0.2C C5A) after Standard charge)
Nominal Voltage :12.8V   (Mean Operation Voltage During Standard Discharge After  Standard  Charge)
Over discharge protection voltage:9.2V±0.05V   (Discharge Cut-off Voltage)
The overcharge protection voltage:   14.6V±0.05V   (Charging voltage)
AC  (1KHz) Impedance New Cell Max.(mΩ):≤ 100 mΩ
Maximum Continuous Charge Current:≤15A
Maximum Continuous Discharge Current:≤20A
Maximum Pulse discharge current:≤60A
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:2 wires, 15 inches long, 2.5mm2   Red, Black.
Cell  Dimension:Length: Max.250mm,Width: Max.155mm,Thickness: Max. 75mm