Elivebuy via Amazon (choose it in the right sidebar) offers its Elivebuy MFi-Certified Battery Case for Apple iPhone 6 for $45.99. Coupon code "ELBDNSM8" cuts that to $29.99. Plus free shipping applies. This MFI-certified case features a built-in 3,100mAh battery, LED indicator lights, and microUSB charge port. It adds up to 21 hours of talk time and ships with two bumpers, headphone jack adapter cable, and microUSB cable. Deal ends today.