Sometimes you are on the go and need a phone charger for battery emergencies, luckily the Charge Card credit card sized phone charger is jammed into your wallet, and once you find a port to plug in a usb cord in to, you will have your phone charged in no time. The credit card sized phone charger will easily fit into any sleeve in your wallet, and plugs in to any standard usb port, so hopefully you have a computer jammed in to your wallet as well. The linked product is for the iPhone 4 and iPhone 4s, but there is a charge card made for android phones, or any phone that uses a micro usb charger that you can check out here, and a charge card made for the iPhone 5 that you can check out here. Check out the video below to see the charge card in action.