For iPhone 4 Battery (1900mAh) -- Portable Battery Case

Key Features and Functions:
1. Combines a battery and case with UV coating.
2. Lightweight low-profile & delicate design.
3. Charge iPhone and extra battery simultaneously.
4. Powerful, safe battery cell.
5. LED battery charge status and charge progress indicator.

Technique specifications:

1. Battery: Rechargeable 1900 mAh lithium battery.
2. Input: DC5V, 500mA.
3. Output: DC5V, 550mA.
4. Standby time: Up to 300 hours.
5. Battery Charging Time: 3-4 hours.
6. Charging for iPhone time: 2-3 hours.
7. Product Dimensions: 125X62X18mm.
8. Product Weight: 65g/PCS.
9. CE&RoHS

Accessories:
Charger for iPhone: 1PC
USB charging cable: 1PC

Compatible with: iPhone 4