This Casio Equivalent NP-20 Battery is Rated at 3.7V, 600mAh to meet or exceed the original Casio battery. This Battery will replace NP-20 Casio Batteries and works with the following cameras: Casio EX-M1, EX-M2, EX-M20, EX-S1, EX-S100, EX-S1PM, EX-S2, EX-S20, EX-S3, EX-S500EO, EX-S500GY, EX-S500WE, EX-Z4, EX-Z60, EX-Z75, EX-Z75BE, EX-Z75BK, EX-Z75PK, NP-20, Exilim Card EX-S100, Exilim Card EX-S20, Exilim Card EX-S600BE, Exilim Card EX-S600EO, Exilim Card EX-S600GD, Exilim Card EX-S600SR, Exilim Card EX-S880, Exilim Card EX-S880BK, Exilim EX-M1, Exilim EX-M2, Exilim EX-M20, Exilim EX-M20U, Exilim EX-S1 PM, Exilim EX-S100, Exilim EX-S2 PW, Exilim EX-S2, Exilim EX-S20, Exilim EX-S20U, Exilim EX-S3, Exilim EX-S500, Exilim EX-S500EO, Exilim EX-S500GY, Exilim EX-S500WE, Exilim EX-S600, Exilim EX-S770, Exilim EX-S880, Exilim EX-Z11, Exilim EX-Z3, Exilim EX-Z4U, Exilim EX-Z5, Exilim EX-Z60, Exilim EX-Z70, Exilim EX-Z75, Exilim EX-Z75BE, Exilim EX-Z75BK, Exilim EX-Z75PK, Exilim EX-Z75SR, Exilim EX-Z77, Exilim EX-Z770, Exilim EX-Z8, Exilim ZOOM EX-Z77BE, Exilim ZOOM EX-Z77BK, Exilim ZOOM EX-Z77PK, Exilim ZOOM EX-Z77SR.
