Power shortages never have good timing, and that’s as true of our personal devices as it is of city blocks. If you’re lucky, or planned ahead, you might find yourself able to plug in when the juice runs dry. But dead batteries have a habit of sneaking up on us, so there’s no such thing as being too prepared. You don’t leave home without your keys, so why should you walk outside without power?
This iPhone keychain charger can give you three hours of extra battery life [Deals]
Photo: Cult of Mac Deals