This is a universal power bank that will work on iPhones as well as Android phones. Depending on your phone, it could deliver up to a full charge. Everyone needs to have one of these in their car/purse/pockets in case of an emergency. How many times have you needed your phone, but it was dead? It happens to us all the time. Having one of these slim and stylish backup batteries is a must for everyone with a smartphone. Grab one here for a super low price!