External Backup Battery Charger Case for iPhone 4 4s 1900mAh

Portable 1900mAh battery case, backup power charger case external battery specifically designed to protect your iPhone 4/4S and keep it charged a at the same time.

When in the case it will recharge your iPhone 4/4S battery and keep it topped up whenever you need it. It has a 1900mAh built in battery which will keep your iPhone4/4S powered up while you are out on the move and do not have access. The charging case is slim so does not add any additional bulk.

Features:
1. Smart Battery (Optimized to lengthen your Phone performance time; No more out of power dilemma during important phone coversations)
2. Full Body Coverage for Phone 4G
3. Lightweight, thin design (Low profile)
4. Non slip comfort grip
5. USB charging and SYNC without the need to disconnect your Phone 4G from the case
6. Automatic tests function
7. Data transmission
8. High-quality Li-polymer Cell
9. Extended battery pack - 1900 mAh
10. ON/OFF Button for Optional Power Output Control
11. Four LED lights indicates the power level remaining the case (Each light represents 25% of remaining power)
12. Sleek, Low-Profile design; Rechargeable up to 1000 times
13. Color: Purple, black, black with blue, black with green, white

Specifications:
1. Dimension: 12.5 X 63 X 16 mm
2. Weight: 65g
3. Output Voltage: 5V
4. Output Current: 500mA
5. Input Voltage: 5V
6. Input Current: <= 1000mAh (1A)
7. Capacity: 7.2 WH (1900 mAh)
8. Standby Time: Up to 230 hours
9. Talk Time: Up to 6 hours
10. Internet Use: Up to 5.5 hours on 3G / Up to 8 hours on Wi-Fi
11. Audio playback: Up to 30 hours
12. Video playback: Up to 8 hours
13. 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)