Backup Battery Case for iPhone4

1. The specifiations of battery for iPhone 4

Product Dimensions:
5.07 in x 2.51 in x 0.68 in; 2.5 oz
Battery Capacity:
1500 mAh
Estimated Shipping Weight:
1 lbs
Item model number:
1145_JPAXP4, 1146_JPAXP4, 1147_JPAXP4, 1148_JPAXP4
Shipping:
This product ships world wide
Product Category:
Cell Phone External Battery
Product Compatibility:
Apple iPhone 4, iPhone not included
Package Content Included:
Juice pack air, USB-micro cable, User's Manual
Patent:
Pat. D616360, Pat. D616361
Standby Time:
Up to 270 hours
Talk Time:
Up to 6 hours on 3G | Up to 12 hours on 2G
Internet Use:
Up to 5 hours on 3G | Up to 9 hours on Wi-Fi
Audio Playback:
Up to 36 hours

Video Playback:
Up to 9 hours
2. The description of battery for iPhone 4
Innovative Design
The juice pack air is a rechargeable Smart Battery concealed inside of a low-profile, light-weight, soft-touch, 2-tone metallic case.
Toggle between Charging and Standby with the flick of a switch.
External Battery
The juice pack air is designed to virtually double the time you have to Rock, Talk, Surf and Send with your phone
Charge and Sync
Charge and sync your iPhone to iTunes without removing it from the juice pack air by using the included USB cable.
Fully Protected
The juice pack air not only adds battery life, it is a protective form-fitting case with an ultra-thin, light-weight, low-profile design.
Status Indicator
The all-new integrated LED status indicator on the bottom tells you exactly how much juice is left at the push of a button. It also indicates the charging status so you know before you go.
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.
3. The features of battery for iPhone 4
Juice pack Legacy
With more than one million juice pack units sold to-date, mophie cases have been made
For every iPhone and iPod touch form factor since the devices debut and was the first-ever
"Works with iPhone" battery case. The juice pack air for the phone provides the very
Best of seven generations of product development and design.

Battery Extender and Case in One
The juice pack air for iPhone 4 combines rechargeable external battery power concealed
Inside of a protective form-fitting case. It offers the full protection of a hard-shell case
With an ultra-thin, light-weight, low-profile design.
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.
Efficient Electronics
Embedded electronics results in no signal interference with the phone.
Acoustic Sound Enhancement
The case design acts as a virtual speaker box, redirecting sound from the bottom of the phone 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 "juice" is left and also
Displays how much time remains during the charging process.
Quick Speed
500 milliamps fast charge technology, with an advanced battery for added safety,
As well as 1500 mAh capacity
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 Phone to iTunes without having to remove it from the juice pack air.