For those with new iPhone SE from the Sprint/Best Buy deal, Amazon is selling the mophie case for 5.71 as an add on item.
Sold by Amazon so I would bet it is a legit case.
https://smile.amazon.co
Wal-mart is slightly more expensive with in store pickup.
https://www.walmart.com/ip/Mophie…k/55444226
Ultra-thin, 1500mAh protective battery case made for iPhone 5/5s/SE
80% more battery life to keep your iPhone 5/5s/SE safe and charged
Simultaneously charge your iPhone and juice pack together
LED indicator to check battery levels
Compatible with Apple iPhone 5/5s/SE, Not compatible with iPhone 5C