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I'm a heavy user of an iPhone 4 and often got to the red line. I bought a Battery Extender a few months back, can't remember the company's name, but it stopped working suddenly after a month. What do you guys recommend?

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locked by patrix Feb 17 at 6:02

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According to customer reviews and bestseller ranking the Mophie Juice Pack Plus Case and Rechargeable Pack shouldn't be that bad.

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+1 I did a lot of research when I was about to buy a battery extender and ended up going with Mophie. It works great! – Austin May 6 '11 at 0:32

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