| Items | Specification | ||||||||||||
| Minimum capacity | 50Ah (1C Discharge at 25℃) | ||||||||||||
| Initial Internal Resistance | ≤ 8.0 mW | ||||||||||||
| Weight | 42kg ± 0.5kg | ||||||||||||
| Nominal voltage Fully Charge Voltage (FC) Fully Discharge Voltage (FD) |
51.2V 57.6V 44.8V |
||||||||||||
| Standard Charging Current | 25A | ||||||||||||
| Standard Charging | Charged with constant current 25A to FC, then constant voltage charged at FC until charging current ≤2.5A | ||||||||||||
| Standard Charging Time | Within about 3 hours | ||||||||||||
| Maximum Continuous Charging Current | 100A | ||||||||||||
| Maximum Instantaneous Charging Current | 120A(2S) | ||||||||||||
| Standard Discharge Current | 25A | ||||||||||||
| Standard Discharge | Discharge with constant current 25A to FD | ||||||||||||
| Maximum Continuous Discharge Current | 100A | ||||||||||||
| Maximum Instantaneous Discharge Current | 120A(2S) | ||||||||||||
| Charging Cut-off Voltage | 57.6V or any single cell reaches 3.65V | ||||||||||||
| Discharge Cut-off Voltage | 44.8V or any single cell reaches 2.5V | ||||||||||||
|
|
||||||||||||
| Recovery Capacity Measurement | After the 4.6 standard charging, hold for 10 minutes, and then discharge according to the standard 4.11. Wait for 10 minutes, repeat above steps for 3 times, and record the maximum discharge capacity. | ||||||||||||
| Storage Humidity | ≤75%R.H. | ||||||||||||
| Appearance | No Deformation, No Electrolyte Leakage | ||||||||||||
| Standard Test Environment | Temperature：25±2℃ Humidity：≤75%RH Atmospheric Pressure：86-106kPa |