1) 5V/5500mAh portable power supply for mobile phone, min player, camera, etc. 2)Standard USB port 3)cabinet, portable Effective capacity 5500mAh Portable External Power Supply for cell ... our products passed CE, UN38.3, MSDS. effective capacity 5500mAh Portable External Power Supply for cell phone: iphone4s, iphone5, Nokia, blackberry,Samsung