SONY NP-FZ100 rechargeable battery has reliable high stamina and high power capacity of 2280mAh and voltage of 7.2v.NP-FZ100 rechargeable lithium-ion battery is a high-capacity z-series power source for select digital cameras. Does not suffer from any memory loss effect when charged or discharged at any particular moment. charged using the BC-QZ1 battery charger. this battery has info-lithium support for displaying the remaining charge of the battery on the camera’s LCD screen. Compatible cameras are alpha a9 ii alpha a9 alpha a7r iv alpha a7r iii alpha a7 iii alpha a6600.