Mophie battery for iPhone
Where ever you are, you will never go without power.
Turn the battery power on when you need it, and your Iphone will begin to charge.
When my Iphone has only 10% left, this battery will charge it up to 90%.
In the back of the battery you have a LED status indicator to let you know how much juice is left by the push of a button.
You connect the Mophie juice pack air to usb to charge it. Takes about 3 hours.
Iphone 3g Iphone3GS and is now available for Iphone 4.
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