... Battery type: Li-polymer battery Input voltage: 5V DC Features: Works with most MP3 players, PDAs, cell phones and USB powered devicesIdeal ... power cableSleek and elegant profile, compact for easy carryingSpecifications: Battery capacity: 5,000mAh (theoretically 5,000mAh, actually 4,000mAh ... )Battery type: Li-polymer batteryInput voltage: 5V DC, 1. ...