| Color | Silver + Green |
| Brand | LetterFire |
| Model | 2500 |
| Quantity | 2 Piece |
| Material | N/A |
| Cell Type | Ni-MH |
| Battery Model | AA |
| Mark Capacity | 2500 mAh |
| Actual Capacity | 2500 mAh |
| Voltage | 1.2 V |
| Rechargeable | Yes |
| Rechargeable Times | Others、1000 |
| Built-in Protected Circuit | No |
| Over Voltage Protection | No |
| Short-Circuit Protection | No |
| Over-Charging Protection | No |
| Over-Discharging Protection | No |
| Mercury Free | Yes |
| Packing List | 2 x Batteries 1 x Battery box |