| Color | Black |
| Model | JZR-042 |
| Quantity | 1 Piece |
| Material | Aluminum + PC |
| Shade Of Color | Black |
| Compatible Models | Others、Flashlight and bike lamp |
| Compatible Type | Universal |
| Battery Type | Li-ion battery |
| Built-in Battery Model | 18650 |
| Built-in Battery Quantity | 4 |
| Voltage | 8.4 V |
| Capacity Range | 4001mAh~5000mAh |
| Nominal Capacity | 4400 mAh |
| Input | 8.4V1A |
| Output | 8.4V Max. 2.5A |
| Charging Time | 8 Hour |
| Working Time | 3.5 Hour |
| Features | Others、External battery |
| Other Features | Connector: 5.5 x 2.1mm (2.1mm inner diameter、 5.5mm outer diameter) |
| Packing List | 1 x Battery 1 x Strap 1 x Clip |