All-in-one design WP-EP1102 is an effective portable power to Woper's product family that can double your iPhone4/4S battery time. And designed with the colorful bumpers to make iPhone more beautiful and th microcontroller to manager the circuit and battery to ensure the batttery long lifespan and safty. You can use it at home, in the office, in the car, in the coffe shop or in the seaside. Supuercharge your iPhoen4/4S with EP1102 from Wopower from now on. Stay powered, stay connected, charge your iPhone4/4s anywhere and anytime.

Technical specification:
Size: 131*62.3*16.5mm
Weight:79g
Battery Capacity: Built-in 2400mAh Lithium Battery
Output:5V,1A
Input:5V, 600mA
Charging time: 3hours by USB
iPhone Charging time:２　hours
Battery conversion Battery: 90%

Benefits:
Standby Time: up to 399 hours New
3G Talk Time: up to 9 hours
2G Talk Time: up to 19 hours
3G Internet Use: up to 8 hours
WiFi Use: up to 13 hours
Vedio playback: up to 13 hous
Audio Playback: up to 53 hours
Cycle life: 500 Times
Operating Temperature:-20~60 degree

Features:
1.All-in -one designed enhances power and protection of your Iphone4/4S any time and anywhere.
2. Built-in Lithium Polymer battery will double your iPhone's battery time
3.Colorful bumpers make your iPhone more beautiful and lively.
4.Thin, high capacity design, durable and shining UV teture is convenient for travel.
5.LED indicators provide current charge stasus and remaining battery power.
6.1 year warranty.

Optional Information
- Payment : T/T, Western Union
- Origin : China
- Minimum Order : 1000 pieces
- Packaging : for your requested
- Samples : Charge