Energizer ENB-F45 Digital Replacement Battery NP-45 for Fujifilm FinePix Z300, Z33, Z37, Z70 and Z700EXR (Black) Replaces the Fuji NP-45 Li-ion Battery Battery Specs: 3.7V 700 mAh Compatible with Fujifilm FinePix Z300/Z33/ Z37/Z70/Z700EXR & similar camera models Can be used with original lithium-ion battery charger This Li-ion battery is 100% memory-free and will not suffer from the inconvenient memory effects that are typically associated with similar battery types.