... rechargeable battery case for iphone 5 Feature:1.Battery Extender and Case in One2.Twice the Power3.Advanced Battery Technology,Highly condensed lithium ... Speed,Soft-Touch Finish,Pass-through USBSpecification:Capacity:Lithium battery,2800mAhUp to 8 add'l hours talk time ... Black,yellow,red,blue,purple Name2012 new style rechargeable battery case for iphone 5 MateriallithiumModel NumberSBL-IP- ...