Kastar Battery Replacement for Casio NP-20 CNP20 Exilim EX-M20 EX-S1 EX-S2 EX-S3 EX-S20 EX-S100 EX-S500 EX-S600 EX-S770 EX-S880 EX-Z3 EX-Z4 EX-Z5 EX-Z6 EX-Z7 EX-Z8 EX-Z60 EX-Z65 EX-Z70 EX-Z75 EX-Z77 Kastar Battery Replacement for Casio NP-20 Battery Battery Type: Lithium-Ion; Battery Voltage: 3.7V Battery Capacity: 1250mAh Package Includes: 1 Battery Compatible with the original battery and charger