2 Pack of High Capacity Replacement DMW-BMB9 Extended Battery 1200mAh (2400mAh Total) For Panasonic Lumix DMC-FZ40 DMC-FZ45 DMC-FZ48 DMC-FZ100 Digital Cameras 2 Pack of High Capacity Panasonic DMW-BMB9 Extended Replacement Battery Fits Panasonic Lumix DMC-FZ40 DMC-FZ45 DMC-FZ48 DMC-FZ100 Digital Cameras 7.2v 1200mAh (2400mAh Total) Lithium-Ion Technology A spare rechargeable battery is an essential accessory