The Fuji BC-45 Rapid Travel Battery Charger is a replacement battery charger for NP-45 batteries.

Fujifilm BC-45W Original Charger for Fujifilm NP-45 NP-50 Lithium Battery

The Fuji BC-50 Rapid Travel Battery Charger charges their NP-50 batteries.

The Fujifilm BC-70 Rapid Battery Charger quickly recharges the NP-70 Lithium-Ion battery in less than 3.5 hours for a full charge as compared to about 6 hours with the AC Adapter/Charger that is included with many FinePix Digital Cameras. Also, the BC-70 Rapid Battery Charger charges the battery outside the camera - making it incredibly convenient if you are using more than one battery.