... USB Interface or optional charger)Input Current: CC 500mABattery Type: 18650Rated capacity: 2200mAhCycle life: ≥ 500 timesDimensions: 22*100mmWeight: (about)55g Product DescriptionThis portable power bank ... devices with a USB interface s,uch as mobile phone battery, iPhone4 battery , PSP, IPOD, MP3,MP4, PMP, GPS, Bluetooth, digital cameras .PDA battery portable power bank for mobile phone