PureGear Rechargeable (Blue) Portable External Battery Pack Charger for Apple iPhone 4S, 4, 3GS, 3G (Made for iPhone Mfi Certified) - Bulk Packaging
Extend the amount of usage time on your iPhone anytime and anywhere with this compact portable battery. Have it ready in your purse, briefcase or luggage for those moments when more energy is needed to get you through the day.