BATTERY CAPACITY 1050 mAh Li-ion 3.7V (2) 1800 mAh Li-ion 3.7V (5) 2200 mAh Li-SOCI2 7.2V non-rechargeable (3) 400 mAh Ni-MH 7.2V (5) 45 mAh Li-ion 3.7V (5) 550 mAh Ni-ion 8.4V (2) 800 mAh Li-ion 3.8V (3)