KeyChain USB Emergency DC Battery Charger

You never can tell when an emergency is going to strike, especially in this day and age where most of us carry gadgets that require battery power to run. The KeyChain USB Emergency DC Battery Charger could come in handy, as it will clamp onto any tiny lithium ion battery as found in digital cameras and cellphones, charging them by drawing power from an available USB port. Heck, you can also pick up an optional mains-to-USB converter just to make sure you’ve got all grounds covered. Expect to fork out $11.90 to $14.90 for the KeyChain USB Emergency DC Battery Charger.