Mophie Juice Pack for iPhone 3G to slim down

Ultra-thin, light-weight Mophie Juice Pack Air virtually doubles iPhone 3G battery life and offers the full protection of a hard-shell case in a low-profile design.

Mophie

This is getting old, but if you have an iPhone 3G, you definitely need an external juice pack. And I have some good news.

Mophie, the maker of the popular and long-lasting original Juice Pack for iPhone 3G announced Wednesday its new and much slimmer version of the accessory, appropriately called Juice Pack Air.

The new juice pack is equipped with a 1,200-mAH lithium polymer battery housed in an ultra-thin case and designed to double the amount of time you can work on your iPhone 3G.

To put this in numbers, the Juice Pack Air is said to provide up to 270 additional hours of standby time, 4.5 hours of talk time or Internet surfing, 20 hours of music playback, or 6 hours of video playback. These numbers are about half of what the original juice pack can provide. However, the Juice pack Air is more than 50 percent thinner than the original.

The Juice Pack Air features a "standby mode" that allows you to control when to use the additional battery and when to use the Juice Pack Air purely as a protective case. Like the original pack, it has four LED charge-status lights that indicate how much juice is remaining in the external battery.

You can charge both the Juice Pack Air and the iPhone 3G and sync the phone with iTunes at the same time, using an included USB cable.

The Mophie Juice Pack Air will be available this spring in black, white, and purple versions and will cost $79.95. You can actually preorder it now.

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