Plan V: Charge Your Smartphone Using a 9V Battery0
Have you ever gotten stuck outdoors with your phone completely out of battery? Many folks carry a battery extender/charger to recharge their phone on the go. The Plan V is not your average charger. This interesting charger lets you use a 9-volt battery to recharge your phone. It sits on your keyring and acts like a car jumper cable. You are just going to have to find a 9-volt battery to get started.
The Plan V charger has a compact design. It weighs only 7 grams. There are no cables or bulky chargers to deal with. The device is compatible with iPhone and Galaxy phone devices. Like what you see? You can check this out on Kickstarter.