DIGI TECH Replacement Wall + Car Charger for Casio NP120 battery This is an AC wall and DC car two-in-one battery charger Its unique flat pin, foldable design allows easy storage and makes it a compact battery charger Smart charging LED indicator automatically turns to trickle charge after the battery fully charged Auto switching power voltage is from 110V-240V Note it is an external battery charger only, not working as AC adapter, power cord, and USB cable