Introducing the Nipper, the world’s smallest phone charger. Coming in at just 17mm by 17mm, this super handy charger is comprised of two squares, which stay together with magnets, and a small leather strap. Designed to be a back up emergency source, the Nipper works by magnetically holding two AA batteries in place between the squares. This compact charger weighs just 10 grams and is equipped with a micro USB connector making it compatible with Samsung, HTC, LG, and any other devices with this type of port. The Nipper is so convenient has it uses one of the most common household items: batteries. Best of all, the leather strap can easily wrap around your keychain so it’s always on you.