| Item | Specification | 
| Model | NCR18650B-2S2P | 
| Nominal Capacity | 6800mAh (customized) | 
| Cell Origin | Japan | 
| Nominal Voltage | 7.2V | 
| Charging Voltage | 8.4V | 
| Standard Charge Current | 0.5C | 
| Rapid Charge Current | 1C | 
| Standard Discharge Current | 0.2C | 
| End Voltage of Discharge | 5V | 
| PCB Function | Protecting battery from over-charge, over-discharge, short circuit, over temperature, etc. | 
| Cycle Life | ≥500 cycles | 
| Weight | 200g max | 
| Dimension | 38mm(L)*38mm(W)*68mm(H) approximate | 
| OEM | Acceptable | 
