... rechargeable lithium polymer battery, charging your mobile phone, digital camera, PDA, PSP, mp4, MP3, IPOD and other digital product charge ... .SpecificationCapacity of built-in lithium polymer batteries: 4,000mAh/3.7v Input Voltage:DC5.0V±0.2VInput Current:1,000mA ... , as Motorola, Samsung, Sony Ericsson, Siemens, LG, MP3/MP4, PDA, PSPThis product is suitable for operating temperatures between 0 °C ...