Shop by Category

Brand of your Device

  Home > Apple >

External Back-Up Battery for iPhone 4 i Phone Case
External Back-Up iPhone 4 Battery
External Back-Up Battery for iPhone 4 includes everything shown here.

Alternative Views:

Retail Price: $29.59
Our Price: $25.73
Save $3.86!

Out of Stock
No currently on order.

Description Technical Specs

External Back-Up Battery for iPhone 4 i Phone Case


Charging Time: 6 Hours

Standby time: Up to 300 hours

2G Talk time: Up to 16 hours
3G Talk time: Up to 7 hours

3G Internet Use: Up to 7 hours
Wi-Fi Internet Use: Up to 13 hours

Audio Play: Up to 40 hours

Video Play: Up to 13 hours

Charging Instructions:

  • Insert your iPhone into the Power Bank, by sliding the top off of the case, and sliding your iPhone into the case.
  • To charge your Power Bank, simply connect it to your computer, using the included USB cable, or by using your iPhone's original charging accessory.
  • To charge your iPhone using the Power Bank back-up battery, press the button on the back of the Power Bank and hold it for 2 seconds.
  • To stop charging your iPhone's battery with the Power Bank, press the button for another 2 seconds.
  • To see how full your Power Bank is, press the button and LED lights will indicate how much charge it has:

  • 1 LED: 0%----25%
    2 LED: 25%---50%
    3 LED: 50%---75%
    4 LED: 75%---100%

* Using a USB cable, you can charge the Power Bank without it being connected to the iPhone. I f your Power Bank is attached to your iPhone and you connect the USB cable your Power Bank wil l start to charge, but will not charge your iPhone. As soon as you detach the USB cable the Po wer Bank will start to replenish your iPhone. Please treat this product as an external back-up battery housed in an iPhone case that will replenish your iPhone any time it is connected.

Compatible part numbers::


Share your knowledge of this product with other customers... Be the first to write a review

Browse for more products in the same category as this item:

Apple > Apple iPhone Batteries