... two USB output port,it can charge two devices at the same time. Features:* With two USB output port,it can charge two ... most iPhone, iPad, iPod and mobile phones..* Double USB output, more convenient.* High efficiency of power conversion.* ... Output capacity: 18.5Wh(5000mAH)* Input:5V,1A* USB Output1:5V,1A* Output2:5V,500mA* Weight:about 145g ... 8.5 hours portable power bank, With two USB output ports