There are always times when our Amazon Kindle Fire HD / HDX / DX / Touch / Keyboard / WiFi / 3G seems to run out of power at the most inopportune times. Without a conventional charging source in sight; we are often left with no recourse other than to let the battery run out. Enter the Gomadic Portable Emergency AA Battery Charger for the Amazon Kindle Fire HD / HDX / DX / Touch / Keyboard / WiFi / 3G. Simply insert a fresh set of batteries into the battery pack; toggle the on/off switch and connect your Amazon Kindle Fire HD / HDX / DX / Touch / Keyboard / WiFi / 3G. Instantly the device will start to charge and you will be up and running again. Backed by our Gomadic Lifetime Warranty and over 10 years of innovation in charging accessories; we think you will find this to be one of your favorite accessories!