Don't miss that once-in-a-lifetime shot on account of a dead battery.

This CTA Digital battery replaces the Casio NP-20 digital camera battery. This battery was designed to meet or exceed OEM specifications and is 100-percent compatible to the original equipment chargers.

Specifications:
Chemistry: Lithium Ion
Voltage: 3.7V
mAh (capacity): 630mAh
Run time (shooting time): up to 200 shots
For use with the following digital cameras:
Casio Exilim EX -M1/Exilim EX-M2/Exilim EX-S1/Exilim EX S1PM/Exilim EX-S2/Exilim EX S2PW/EX-S3/EX-Z3/EX-Z4U
Inner: 10
Master: 40