As is well known, Apple iPhone is the world's most popular smart phone. The only flaw is that the battery is not replaceable. It is painful for such people: business people and mobile phone game players. They need the mobile phone with high performance and long battery time. Today we provide with you a external backup battery case, specially designed for iPhone. It can not only serve as a good protective case, but also as a portable external backup battery. It made of non-slippery material, good touching. Besides, all function buttons and ports are accessible without removing the cover, simple and convenient. The personalized battery case is designed for you, come to have a try!
Features
The Power Pack will extend the battery life of your iPhone by doubling its charging capacity
Enjoy your iPhone for voice, music, game and business applications with extended, stable power
You can experience up to two days or more of uninterrupted iPhone power, depending on your usage
Fit for iPhone 4/4S
Specifications
Capacity 2200 mAh
Input DC 5V / 500 mA
Output DC 5V / 500 mA
Charging time 6 hours
Standby time UP to 300hours
Talk time UP to 7 hours on 3G
UP to 16 hours on 2G
Internet use Up to 7 hours on 3G
Up to 13 hours on Wi-Fi
Audio play Up to 40 hours
Vedio play Up to 13 hours
Dimension 127.30 x 61.60 x 19.50 mm/ 5.01" x 2.43" x 0.77" (L x W x H)
Package Includes
1 x 2200mAh Portable External Mobile Power for iPhone 4 Black
1 x Screen Protector
1 x Clean Cloth
Extra Info
Charging instructions:
Insert the phone, start charging by pressing the button 2 seconds.
Press the button 2 seconds to end charging.
Press the button 2 seconds to close the Led blinking when charging the battery.
The Power Pack can be charged together with iPhone, when charging, the power pack to be charged after iPhone fully charged.
Press the button to show the power volume: 1LED: 0%-25%; 2LED: 25%-50%; 3LED: 50%-75%; 4LED: 75%-100%