Fuel battery looks like a mini jerry-can and provides 30 mins talk time to Android phones - photo 1Fuel battery looks like a mini jerry-can and provides 30 mins talk time to Android phones - photo 2Fuel battery looks like a mini jerry-can and provides 30 mins talk time to Android phones - photo 3Fuel battery looks like a mini jerry-can and provides 30 mins talk time to Android phones - photo 4Fuel battery looks like a mini jerry-can and provides 30 mins talk time to Android phones - photo 5