AnkerDirect via Amazon offers its iPhone 6 MFi 2850mAh battery case for $59.99. Add coupon code AKSLIMIP at checkout and the total becomes just $29.99 with free shipping for Prime members. If you aren’t signed up for Prime, then add another $5.01 worth of purchases from Amazon to qualify for free shipping. This case carries a list price of $100, regularly sells for $59.99, and we’ve never seen another MFi iPhone 6 battery case priced this low.
Its 2850mAh capacity battery is said to extend the life of your iPhone 6 by 140%. MFi Apple Certification means it’s safe and reliable to use. Anker notes that this case “more than doubles your iPhone’s battery life without doubling its size (adds only 0.23in & 2.9oz).” Early reviewers rate it 4.7 out of 5 stars. It’s worth noting that it includes a 18-month warranty.