... for iphone4 2.Charges anywhere anytime 3. Portable take Backup battery cover for iPhone4 (2300mAh) Model: SG-IP4A Exclusiv modelingPatent packing ... . 3. Equipped with intelligent switch, extended the built-in battery service life,more safe. 4. Accurately display electronic capacity, ... :SANGER Optional color: (Black, red,blue), also pink and white can do with bulk order Press the back button with ...