Specification
| Device Model | Battery Model | Chemistry | Maximum Capacity upto |
|---|---|---|---|
| GP-328/GP-338/MTX-960 | STK-328EH | Ni-Mh | 2300 mAh |
| GP-328/GP-338/MTX-960 | STK-328EHL | Li-ion | 2300 mAh |
| GP-300 Series | STM-300EH | Ni-Mh | 2300 mAh |
| GP-900 Series | STM-900EH | Ni-Mh | 2000 mAh |
| XTS-2500 | STM-2500EH | Ni-Mh | 2300 mAh |
