... above charging cycle 3,2 USB output socket Portable power 1900mAh compatible with mobile phone and ipad Features:1.Suitable for nearly ... circuit.5.Using the imported intelligent IC to ensure 95% high efficiency.6.Tidy and simple displays of the power capacity and ... the voltage is 5V, such as: ipad, iphone3G, 4G, mobile phones, MP3, MP4, PSP . Portable power 1900mAh compatible with mobile phone and ipad