Features：
1. A professional iPhone 4/4S removable external battery. Can effectively protect the iPhone 4/4S.
2. Built-in lithium-ion battery 1800 mAh extended life times iPhone 4/4S.
3. Thin and transparent shell package edge fashion design, highlighting the good taste.
4. Intelligent design, charging key switch available free to switch.
5. From the powers is turned off is very low (≤50 uA), and effectively save power for the iPhone 4/4S life.
6. Round with a 2.5 mm standard date cable, you can charge directly.
Payment Methods:
We accept PayPal.
Shipping:
this is free shipping item, so, we will send your order out by China post air mail.
Warranty:
All items in our shop is brand new, so, there is one year warranty since you get the package.
