The juice pack air is a rechargeable external battery concealed inside of a protective form-fitting case for the iPhone 4. It offers you the full protection of a hard-shell case while providing virtually twice the battery life of the iPhone alone; all in an ultra-thin, light-weight, low-profile design. Check out below what makes the new juice pack air so cool!

Twice the Power 

The juice pack air for iPhone 4 virtually doubles the power available to rock, talk, surf and send. A full charged case gives users:

-Up to an additional 6 hours on 3G, up to 12 hours on 2G, of Talk Time

-Up to an additional 36 hours of Audio Playback

-Up to an additional 9 hours Video Playback

Advanced Battery Technology

Highly condensed lithium polymer battery delivers an incredible amount of juice in a small form factor and features built in overcharge, short circuit and temperature protection.

Acoustic Sound Enhancement

The case design acts as a virtual speaker box, redirecting sound from the bottom of the iPhone 4 to the front, resulting in a richer, fuller sound quality

4 Light LED Battery Status Indicator

An integrated LED status indicator tells you exactly how much is left and also displays how much time remains during the charging process

Soft-Touch Finish

Sleek design includes a new, soft-touch, rubberized finish and silver band that mirrors the aesthetic of the iPhone itself

Pass-through USB

Included USB cable enables you to simultaneously charge and sync your iPhone 4 to iTunes without having to remove it from the juice pack air

Product Dimensions

5.07 in x 2.51 in x 0.68 in; 71 grams

Battery Capacity:

1500 mAh