HDE USB 2.0 Powered Battery Travel Charger for AA and AAA Rechargeable Batteries Adapter Use this USB powered battery charger to recharge your rechargeable Ni-MH batteries This innovative rechargeable battery charger is capable of charging AA and AAA batteries with the simple flick of a switch Input: DC 5V; Output: DC 1.4V Charge your batteries for your camera on vacation using a computer, laptop, or wall USB adapter Save money by charging batteries rather than constantly buying new ones