Shenzhen Powerfirst Technology Co., Ltd.
Main products:Laptop Battery,Camera Battery,Mobile Phone Battery,Photographic Accessory,Mobile Phone Accessory
Contact Us
  • Contact Person : Mr. jim
  • Company Name : Shenzhen Powerfirst Technology Co., Ltd.
  • Tel : 0086-755-28445330
  • Fax : 0086-755-28445332
  • Address : Guangdong,shenzhen,4th Floor ,No.228 Hekang north road ,bantian ,buji town
  • Country/Region : China
  • Zip : 518122

Backup Battery For iPhone 4

Backup Battery For iPhone 4
Product Detailed
backup battery for iphone 4 , 1700mAh, cheap price 100% compatible

backup battery for iphone 4G ;  1600mAh  2200mAh  available

Brand New External Battery Case for iPhone 4 4GBuilt-in battery: The built-in high volume 1700mAh battery adds extra 10 hours talking time to your iPhone. Never Lose connection with friends and families with such a great backup power sourceIt offers a full body coverage and separate your palm from the iPhone dead spot. You will never lose any signal with the case on the phoneThis durable case is designed to perfectly fit iPhone 4 and it offers a full body protection against any shock and scratches on your beloved gadgetThe Blue 4-LED power indicator will accurately display the remaining energy inside the case, whenever you press the only button on the back of the caseON and OFF swith: It has a power swith. It is optional for users to charge their iphone or not.Press ther button for about 2 seconds to turn it on or offIt has a inner 30pin port and a micro-USB port outside.With the help of included Micro-USB cable, the iPhone and the case can be charged at the same time.Sychronizing can also be done directly via the micro-USB cable, you never need to take off the iPhone cases

For more details about this battery, pls visit 1700MAH External Backup Battery Case for iPhone 4 4G

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Talk time:

Up to additional 5 hours( 3G Network)

Up to additional 10 hours( 2G Network)

Internet use:

Up to additional 4.5 hours( 3G) 

Up to additional 7 hours( Wi-Fi) 

Standby time: up to additional 240 hours

Audio Playback up: up to additional 28 hours

Video playback up: up to 7 hours  Parameters:

Input: DC5.0V, 500mA

Output: DC5V, 500mA

Cell: Li-polymer 1700mAh

Size:120x62x 17.6 mm


Charge time: 5 hours

Applications: iphone 4G

With sync function 

Backup Battery For iPhone 4

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