2. Fast delivery.3. Good after-service.4. backup battery Fit for Ihone,Ipad,Ipod,Mp3,Mp4 Player, ... 5.power pack for iphone 4 Spec.1. Battery Type: Li-Pol2. Capacity: 5000mAh/18.1Wh3 ... on one by one when it is charged.; Fit for Mobile phone,MP3/MP4,PSP,NDS,ipod,iphone,ipad Carton Design for ...