This is a 4 in 1 power bank with a Battery capacity of 30000mAh,it has 2 usb output,a digital display and a battery with a large capacity.the portable power bank is designed with static ultra low power consumption,high conversion efficiency output and its hardware is designed with a high protection for short circuit problems and power surges.the power bank can charge iphones, common smart phones, tablets, mp3 players and speakers.
