Fujifilm NP-45 Battery - Replacement for Fujifilm NP-45, NP-45A Digital Camera Battery (800mAh, 3.7V, Lithium-Ion) : Amazon.ca: Electronics
Amazon.co.jp: ILM Compatible FinePix Series NP-50 NP-50A Compatible Battery, Rowa Japan, PSE Standard Inspection, Rechargeable, Lithium Ion, High Capacity : Electronics