7.4 V | 2000 mAh | 14.8 Wh

7.4 V | 2600 mAh | 19.24 Wh

7.4 V | 4400 mAh | 32.56 Wh

7.4 V | 5200 mAh | 38.48 Wh

7.4 V | 4000 mAh | 29.6 Wh