| Color | Green + Brown + Multi-Colored |
| Brand | GD |
| Model | 501 |
| Quantity | 1 Piece |
| Material | Battey |
| Cell Type | Ni-MH |
| Battery Model | Others、3 Cable 501 |
| Mark Capacity | 1800 mAh |
| Actual Capacity | 1200 mAh |
| Voltage | 3.6 V |
| Rechargeable | Yes |
| Rechargeable Times | Others、500 |
| Built-in Protected Circuit | No |
| Over Voltage Protection | No |
| Short-Circuit Protection | No |
| Over-Charging Protection | No |
| Over-Discharging Protection | No |
| Mercury Free | Yes |
| Other Features | Suitable for ETS2222、 ETS2222+、 EST201、 EST007、 EST3125I、 EST501 use. |
| Packing List | 1 x Battery pack (9cm-cable) |