Meet the Plan V: a smartphone charger with a compact design that lets you recharge your smartphone using a 9-volt battery. The idea is actually quite interesting when you think about it. This solution works like a car jumper cable. As long as you can get your hands on a regular 9-volt battery, you can use the Plan V device to recharge your phone.
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There are plenty of bulky smartphone battery extenders on the market. The Plan V aims to replace those with a compact solution you can take with you everywhere. It is small enough to sit on your keyring and capable of charging your iPhone or Galaxy smartphone. You can find it on Kickstarter.
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