6 V | 2100 mAh | 12.6 Wh

6 V | 4200 mAh | 25.2 Wh

6 V | 1200 mAh | 7.2 Wh

6 V | 4000 mAh | 24 Wh

7.4 V | 4000 mAh | 29.6 Wh