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PRESS PLAY Apple-Certified Extended Battery Case for iPhone 5/5s/6/6s on Groupon right now for sale. It includes a 1 year warranty.
If you don’t have a Groupon account you can sign up here: https://www.groupon.com/visitor_r…31e
This is the link for the battery case: https://www.groupon.com/deals/gg-…medium=sms
Here are the website’s specs: