External Back for iPhone4S Battery Case Rubber feel, non-slip comfortable grip High quality,Safety,New design In stock

External Back for iPhone4S Battery Case

Feature:

Brand New External PowerStation for the iPhone 4

Lithium Polymer Battery

Use the USB Sync cable to charge

Light Weight, Thin Design

Rubber feel, non-slip comfortable grip

Compatible with: iPhone 4/4S

Specification:

Cell Type: Lithium Polymer

Battery Capacity: 1900mAh

Output Voltage : 5V

Output Current: 500mA

Size: 13x6x1.5CM