Charge Ninja is the name of a new highly portable battery pack for smartphones, including iPhone and Android devices, that’s raising money on Indiegogo . The Charge Ninja is about as big as a credit card, although thicker, and will easily fit inside wallets, small pockets and purses, waiting to deliver up to 85% (or 1,500mAh) of an iPhone 5s battery charge.
Credit card-sized Charge Ninja will get you out of your next smartphone battery jam