It is a most silm power pack for 4000 mAh and the thickness only 7. ... 4000mAh Lithium Polymer Battery2)Power:3)Battery input power: 5V DC,1A;Output power: 5V DC,1AInput 4)Power: 100-240V~50 ... 11)For PSP,MP3/MP4,digital camera,Micro 5PIN Smart phone,IPAD,IPAD2,IPHONE4 iphone4SShinning Points:1) It is ... touch-control pad to operate and indicate of the power status, the make the device unique and delicate, ...