| Color | Black |
| Model | SingFire |
| Quantity | 1 Piece |
| Material | Lithium |
| Cell Type | Lithium Ion |
| Battery Model | Others、18650 battery power bank |
| Mark Capacity | 6600 mAh |
| Actual Capacity | 6000 mAh |
| Voltage | 8.4 V |
| Rechargeable | Yes |
| Rechargeable Times | Others、500 |
| 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 2.5 mm |
| Battery Pack Form | 5.5 x 2.5mm |
| Other Features | Can be use in bike light headlamp |
| Packing List | 1 x 18650 rechargeable batteries pack (54cm-cable) 1 x Battery bag |