3.6 V | 2000 mAh | 7.2 Wh

4.8 V | 2000 mAh | 9.6 Wh

14.4 V | 1500 mAh | 21.6 Wh

18 V | 1500 mAh | 27 Wh

18 V | 2500 mAh | 45 Wh