Portable Power Bank External Battery Pack 4200mah

We are offering our customers a wide range of Portable Power Bank External Battery Pack 4200mAh, which are available following Specifications :-
1.Cell:Li-polymer Battery
2.Dimension:76A 77A 17mm
3.Weight: Max 125 g
4.Color:white/orange/pink/green/purple
5.Capacity:4200mAh
6.Rated input: DC5V/1A
7.Rated output: USB 5V/1A
8.Material: fire-proof PC+ABS with paiting; IML surface technique

Accessories:
1. 1x iphone USB data cable;
1x mini USB data cable;
1x micro USB data cable;
1x High-quality 5V/1A charger (optional)
2. Velvet bag (optional)
3. Gift box with user manual

Features:
Auto detecting for the charging current and USB output can charge not only for iPod, iPhone but also for RIM's BlackBerry, PlayStation Portable, MP3/MP4 players, MID, GPS, Bluetooth, mobile phones and more The power banks with smart size, very portable, power whenever and wherever The power banks Supports charging and discharging simultaneously The power banks still keeping 80% capacity after your battery using more than 500 times The power banks intelligent protection without short-circuit, electric leakage, overload, over-charge and over-discharge.