... :0.3cm, back up card battery for iPhone4,super slim ,card battery charger ,400ma external battery card shape charger SPECIFICATIONS: Built- ... iPhone or iPod runs out of batteryCharge your devices through USB port or with built-in batteryDate CableLED torch design, ... .4Shipping Weight(kg): 0.0505 Package Contents1 card charger with LED Real Photos credit card battery for iPhone4,super slim ,Lion Battery ...