Today's smartphones have larger batteries so we are responding to the market change. You will get 1.7 charges on an iPhone 5 and similar sized smartphones from the new V15 battery. It will also give a substantial boost to smaller tablets like the iPad Mini (over 50% charge). In mAh, the capacity is now 4,000 from 3,000mAh.
Similar in size and weight to a pack of cards, this universal USB battery pack powers thousands of handheld electronics including the latest smartphones and many tablets. It can be recharged from our solar panels or any USB port.