I don't want to be negative, as it's really a good idea to have more battery power, but I can't wait to see what wrapping a lithium battery around the iPhone's GSM radio antenna will do to its already iffy reception, never mind its GPS function. This thing should kill reception and transmission power on the iPhone, if only looking at it logically. It's a great idea, as long as the iPhone doesn't suffer signal reception or transmission degradation. We'll see what further testing reveals. That's my 2 cents.
You act as if this is the first and only ever battery pack released for the iPhone. There's several of these on the market. I have had no problems with service or GPS with a similar device (yet fatter) on the iPhone.
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I don't want to be negative, as it's really a good idea to have more battery power, but I can't wait to see what wrapping a lithium battery around the iPhone's GSM radio antenna will do to its already iffy reception, never mind its GPS function. This thing should kill reception and transmission power on the iPhone, if only looking at it logically. It's a great idea, as long as the iPhone doesn't suffer signal reception or transmission degradation. We'll see what further testing reveals. That's my 2 cents.
You act as if this is the first and only ever battery pack released for the iPhone. There's several of these on the market. I have had no problems with service or GPS with a similar device (yet fatter) on the iPhone.