| Brand | UltraFire |
| Color | Black + golden |
| Quantity | 2 |
| Type | Li-ion battery |
| Model | 18650 |
| Mark Capacity | 4、000mAh |
| Actual Capacity | 2、500mAh |
| Battery Voltage | 3.7 V |
| Rechargeable | Yes |
| PCB Protected Board | Yes |
| Application | Power supply / Torch lighting |
| Other Features | Discharge cut off voltage: 2.75V; Charging Current: 0.2C~0.5C; Over charging test voltage: 4.25V~4.35V; Remove charging voltage: 4.05~4.15V; Over discharge test voltage: 2.5V +/- 0.1A; Remove discharge voltage: 3.0V +/- 0.1V; Over current protection current: 3A +/- 1A; Charging Method: CC / CV; Operating Temperature: 0'C~45'C; Discharge Temperature: -20'C~60'C |
| Packing List | 1 x Battery case |
| 2 x 18650 batteries |