Thinest Battery case for iPhone 4

Been thinking about actualy getting one...There has been a lot of high quality RPG Games that came out for the iPhone lately and i find my self killing my iPhone 4 in just half the day...
Ive seen Morphi and MiLi...their Ok but a bit to bulky..
I remember seeing something realy thin online a month ago...
Anyone has recomendations?

I've never heard of QYG Power, but they seem to make a bunch of products like that.
Who knows? The only way to know is to buy one and see how it goes, since google did not find any reviews of it to turn to. For the price, it might be great, and at worst, it's not a fortune lost if it doesn't live up to what you'd like it to.
From my experience with other 1300mAh rated battery cases and my 3Gs, it should give you likely about 1.6x-1.8x or therabouts the battery run time of your iPhone alone. You would have to experiment, but I found I got the most out of the battery if I put the phone in it fully charged, let it run off the external pack until that was exhausted and then run it on the internal iPhone battery.
If I ran the iPhone down to 5%-10% battery and then popped it into the battery case, the 1300mAh external battery would be unable to fully charge the iPhone (when new, it would get it close, back up to 85%-95%), so I seemed to get my maximum total useable time by running a charged iPhone on the external first, then let the phone continue on it's own battery once the external was out.
P.S. like any Li battery, don't let the external sit idle for weeks or months at a time, or it will degrade rapidly. Just like you iPhone's battery, it will do best if used periodically, and partial cycles should not be a problem with any Li battery.
Message was edited by: Michael Black

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