... power bank for iphone ,iPad,iPod,psp,DV,DC,MP3,MP4,PDA Product specifications TypeTravel chargerBattery type18650 Lithium-ion batteryCapacityCapacityInput ... 4V,1000mAOutput voltage/currentDC5.1V,1000mAConversion efficiency90%Color black/white/red/blue Size 94*43*23mm Weight 128gCharge ... . Products applicable scope: Mobile phones,iphone,ipad,3GIphone,MP3,MP4,PDA,PSP and etc GPS,NDS ect.digital devices.. ...