Wasabi Power Battery Charger for Casio NP-20, Casio BC-11L and Exilim EX-M1, M2, M20, S1, S2, S3, S20, S100, S500, S600, S770, S880, Z3, Z4, Z5, Z6, Z7, Z60, Z70, Z75, Z77 Fully charges the battery in approximately 60-90 minutes. Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock. Collapsible plug. Dual Voltage. CE Safety Certification. UL Listed. Meets (or exceeds) OEM standards. 3-year manufacturer warranty