New Arrival Rechargable Charger Case 2200 Mah External Battery Mobile Power Bank Protective Rechargeable Backup Power Battery Portabe Power Pack for Apple Iphone 4 4s Pink Sold By Maxwell Global Trading Unique, fashionable and high-class sliding design High capacity power pack with 2200mAh to double the standby time of your iphone You can use your cell phone without having to remove the case Capacity: 2200mAh Lithium-Polymer battery Product compatibility: iPhone 4 4S