If you travel a lot or have a long commute, you may find that a backup battery for your cell phone and other mobile devices is a must-have item. If you have to carry one, why not make it fun? With the Star Wars Glowing Power Block – 5000 mAh backup battery, you’ll be able to keep the Force strong in your devices. It has a lithium-polymer battery and outputs 5V at 1A. It uses a PTC smart chip with over-charge, over-discharge, over-load, and short circuit protection to prevent damage to your devices. And just for fun, the front of the battery packs glow with the image of either a Stormtrooper or Darth Vader. The Star Wars Glowing Power Block – 5000Ah backup battery is $52.00 at Brando.