Backup External Battery cover back Case pouch Charger power station 1900mAh for iphone 4 4G 4S

1.10 colour . 2.Both for iphone 4 4G 4S. 3.with retail package box .

Features:

· Smart Battery (Optimized to lengthen your Phone performance time; No more out of power dilemma during

important phone coversations)

· Full Body Coverage for Phone 4G

· Lightweight, thin design (Low profile)

· Non slip comfort grip

· USB charging and SYNC without the need to disconnect your Phone 4G from the case

· Automatic tests function

· Data transmission     

· High-quality Li-polymer Cell

· Extended battery pack - 1900 mAh

· ON/OFF Button for Optional Power Output Control

· Four LED lights indicates the power level remaining the case (Each light represents 25% of remaining power)

· Sleek, Low-Profile design ; Rechargeable up to 1000 times

Specifications:

· Dimension: 12.5 x 63 x 16 mm

· Weight: 65g

· Output Voltage: 5V

· Output Current: 500mA

· Input Voltage: 5V

· Input Current: <= 1000mAh (1A)

· Capacity: 7.2 WH (1900 mAh)

· Standby Time: Up to 230 hours

· Talk Time: Up to 6 hours

· Internet Use: Up to 5.5 hours on 3G / Up to 8 hours on Wi-Fi

· Audio playback: Up to 30 hours

· Video playback: Up to 8 hours

· Battery Capacity Indication

Charging Methods:

1. Use the USB 2.0 cable and plug to computer USB port

2. Use the USB 2.0 cable and USB charger adapter output port connection (AC110 ~ 220V power outlet)

How to Use:

1. Slot in Phone

2. switch on button on battery pack

3. close the roof cover

One piece includes:

1 x package Box1 x External Battery Case1 x USB cable1 x User Manual

when you make the order ,pls remark the colour you want ,otherwise we will send them random !Thank you !The colour is as the photo:

Backup External Battery cover back Case pouch Charger power station 1900mAh for iphone 4 4G 4S