Nextop-Casio NP-20 Brand New 850mAh REPLACEMENT Battery for Casio Exilim Card EX-S600 S880 EX-M1 M2 M20 S1 S2 S20 S3 S100 S500 S60 S770 S880 Z3 Z4 Z5 Z6 Z7 Z60 Z65 Z75 Exilim Zoom EX-Z60 Z70 Z75 Z77 Brand New High Capacity Rechargable Battery No memory loss effect Integrated microchip prevents overcharging & lengthens battery life premium Japanese cell for top performance