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Most of the official cases don't come out till next month. I have just got an external battery for now till these cases come out. The LTE is a real battery killer.
 
Yeah I love my iPhone 5 but on the days I use it hard the battery is no bueno.

I pretty much used the Juice Pack Plus exclusively on my iPhone 4 for over a year and will probably be heading back to one of their cases once they release.
 
Lots of neat options. I really liked my mophi on the 4s. Hope theirs hits soon!
 
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