This is an AC wall and DC car two-in-one external battery charger; it does not work as AC adapter, power cord, nor USB cable 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 and it comes with a free European AC plug adapter Bonus: Complimentary iTEKIRO 10-in-1 USB Charging Cable ($5 value) included, which can be used to charge most smartphones, cell phones, E-book readers, MP3, MP4, GPS, and digital cameras in the market › See more product details