| Form Color | Black |
| Model | N/A |
| Quantity | 1 Piece |
| Material | Silicone+ Lithium ion |
| Cell Type | Lithium Ion |
| Battery Model | 18650 |
| Head Type | Flat Top |
| Mark Capacity | 4000 mAh |
| Measured Capacity | 4000 mAh |
| Voltage | 8.4 V |
| Rechargeable | Yes |
| Rechargeable Times | Others、600 times above |
| Built-in Protected Circuit | Yes |
| Over Voltage Protection | Yes |
| Short-Circuit Protection | Yes |
| Over-Charging Protection | Yes |
| Over-Discharging Protection | Yes |
| Mercury Free | Yes |
| Interface | 5.5 x 2.1 mm |
| Battery Pack Form | 5.5 x 2.1 |
| Packing List | 1 x 4 PCS 18650 Battery Pack(cable 55cm+/-5cm) |