iPhone 5 battery case

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，LTE consume my battery rapidly，even can't last for one day ,I find some battery case，does it really work？
http://www.iphone-5case.com/iphone-5-accessories-iphone-5-batteries-c-6_8.html

 

I have in white Decent and stylish

 

Saw a deal come up in Google Offers for this battery case today

http://www.dealsondirect.com/collections/iphone-5/products/iphone-5-lightning-battery-case

Figured I wuld give it a try (google offer is $29 instead of $80)

 

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.