Replace or supplement your Kindle power adapter with a spare. This adapter is the same as the one that ships in the box with your latest generation Kindle (U.S. Wireless), Kindle (Global Wireless) or Kindle DX. Simply plug the adapter into a U.S. wall outlet and connect to your Kindle's micro USB port for recharging. Supports 100v-240v. U.S. plug only. Not compatible with non-U.S. outlets.  The power adapter's detachable USB cable can be used to connect your Kindle to a computer or USB hub for either powering your Kindle through the computer or for transferring compatible files.  See theKindle User's Guidefor instructions and important safety information.