| Electrical | Nominal Voltage | 25.6V |
| Characteristics | Nominal Capacity | 52.8Ah |
| Energy | 1351.68Wh | |
| Internal Resistance | ≤55mΩ | |
| Cycle Life | 2000 Cycles @ 0.2C Charging/Discharging ,Until 70% Capacity | |
| Self Discharge | ≤3.5% per month at 25℃ | |
| Standard Charging | Max.Charging Voltage | 28.0~29.2V |
| Charging Mode | At 0℃~45℃ temperature, charged to 29.2V at a constant current of 0.2C5A, and then,changed continuously with constant voltage of 29.2V until the current was not more than 0.02C（A）. | |
| Charging Current | 3A | |
| Max.Charging Current | 6A | |
| Standard Discharging | Discharging Current | 3A |
| Max. Continuous Current | 6A | |
| Max.Pulse Current | 12A(<3S） | |
| Discharging Cut-off Voltage | 20 | |
| Operating Condition | Charge Temperature | 0℃ to 45℃(32℉ to 113℉) @60±25% Relative Humidity |
| Discharge Temperature | -20℃ to 60℃(-4℉ to 140℉) @60±25% Relative Humidity | |
| Storage Temperature | 0℃ to 45℃(32℉ to 113℉) @60±25% Relative Humidity | |
| Water Dust Resistance | IP55 | |
| Structure | Cell & Format | 26650-3300mAh,8S16P |
| Casing | Plastic | |
| Dimension(L*W*H*TH) | 328*216*172 | |
| Weight | Approx. 20Kg | |
| Terminal | 5521female input/output port |
