A company named Mophie has made, which was the first to receive the "Works with iPhone" logo from Apple, an holster and battery solution. The company claims it can do impressive battery stats. Here's their blurb...
The All-New mophie ‘Juice Pack’ is designed to extend the time you can Rock, Talk, Surf and Send with your iPhone 1st Gen
This is the first Apple certified ”Works With iPhone” attached battery in the world!
The Juice Pack is a rechargeable lithium polymer battery in the form of a non-slip, soft grip case. It extends the time that you can use your iPhone 1st Gen in these ways (additional hours):
Standby Time – Up to 250 hours
Audio Playback – Up to 24 hours
Talk Time – Up to 8 hours
Video Playback – Up to 7 hours
Internet Use – Up to 6 hours
Very impressive stats! The company also mentioned they are going to make one for iPhone 3G.
You can pre-order yours from their website.
Is this something you've been waiting for? Are you planning to get one?
[Via: Mophie's Press Release Blog]