bKey is an ultra-portable battery charger for iPhone that fits on your keychain

If you are anything like me, there are probably three things that you are guaranteed to leave the house with: your wallet, your keys and your smartphone. But when your iPhone dies while you are at school, work or elsewhere, without a charger to be found, it can be a frustrating situation. Fortunately, a new Kickstarter project for a product called the bKey aims to solve that dilemma. 
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