Yealink

3.7 V | 600 mAh | 2.22 Wh

3.85 V | 2200 mAh | 8.47 Wh

3.7 V | 7800 mAh | 28.86 Wh

3.7 V | 7800 mAh | 28.86 Wh

3.7 V | 10050 mAh | 37.19 Wh

3.7 V | 3400 mAh | 12.58 Wh

3.7 V | 2600 mAh | 9.62 Wh