7.4 V | 750 mAh | 5.55 Wh

7.4 V | 1320 mAh | 9.77 Wh

7.4 V | 2640 mAh | 19.5 Wh

7.4 V | 4400 mAh | 32.56 Wh

7.4 V | 7800 mAh | 57.72 Wh