| Color | Black |
| Quantity | 1 |
| Type | Li-ion |
| Model | 18650 |
| Mark Capacity | 4400 |
| Actual Capacity | 4400 |
| Battery Voltage | 8.4 V |
| Rechargeable | Yes |
| Rechargeable Times | 600 |
| Buitl-in Protected Circuit | Yes |
| Over Voltage Protection | Yes |
| Short-circuit Protection | Yes |
| Over-charging Protection | Yes |
| Over-discharging Protection | Yes |
| Mercury Free | Yes |
| Application | Cable length: 64cm; Suitable for SKU 171971 and SKU 170146 bicycle lamp、 etc. |
| Other Features | 5.5 x 2.1mm connector |
| Packing List | 1 x Battery pack |
| 1 x Pouch |