DSTE 2x NP-20 Replacement Li-ion Battery for Casio EX-Z7 Z8 Z11 Z60 Z65 Z70 Z75 Z77 M1 M2 M20 S1 S2 S3 S20 S100 S500 S600 S770 S880 Camera Battery Type : Li-ion Battery Capacity : 4.4Wh/1200mAh Output Voltage : DC 4.2V (max)/ DC 3.6V (mean) Info Function for Life Indication High Capacity for Stamina