Hitech - Rechargeable NP-45 Battery for Fujifilm FinePix Z10fd, Z20fd, Z100fd, J10, J12 Digital Cameras Fits Fuji FinePix Z10fd, Z20fd, Z100fd, J10, J12 Digital Cameras Lithium-Ion rechargeable battery. Voltage: 3.7v Capacity: 500mAh 100% compatible with camera; guaranteed to meet or exceed original specifications. Replacement battery equivalent to Fujifilm NP-45