... (theoretically 5,000mAh, actually 4,000mAh) Battery type: Li-polymer battery Input voltage: 5V DC Features: Works ... and elegant profile, compact for easy carryingSpecifications: Battery capacity: 5,000mAh (theoretically 5,000mAh, actually ... USB portDimensions: 110 x 70 x 15mm/4.3 x 2.8 x 0.6-inchColor: mainly ... USB Output Power Bank/Portable External Battery Pack for iPad/iPhone/Nokia/MP3/USB Device