Kickstarter bKey could be most compact smartphone batter charger
bKey is a cable-free emergency smartphone battery with built-in USB tip to charge it and micro-USB or iPhone tip to charge your phone on the go. The Kickstarter project is Montreal-based, has been in the making for two years and hopes to be the most compact smartphone charger which is no larger than a keyfob can fit in your keychain. The project is currently being backed by 470 people and is very close to getting to its $25,000 goal.
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