We had a former NASA/JPL engineer run tests on the highest-rated iPhone battery cases available and found that the Lenmar Meridian is the best of the bunch.
BoxWave Keyboard Buddy iPhone / 5 Case - Backlit Edition - Bluetooth Keyboard Case with Integrated Apple Commands.
We had a former NASA/JPL engineer run tests on the most highly rated iPhone battery cases available and found that the Lenmar Meridian is (still) the best of the bunch.
Ample power in a sleek case that affords full access to all buttons and ports makes the MiLi Power Spring 5 the best iPhone 5 battery case.
Plenty of portable power in a slim, stylish two-piece design makes the Boostcase Power Case today’s best iPhone 6 battery case.
The iPhone Smart Battery Case in charcoal grey is designed and engineered by Apple to extend your iPhone battery life and offer great protection.
The thinnest, fastest charging iPhone 4 & iPhone battery case to provide over power. The award winning PhoneSuit Elite Battery Case for iPhone
It’s your iPhone is teetering at 10 percent battery, and your friends all want to go out after work, leaving you no time to charge your phone.
iPhone 6 Battery Case [Apple MFi Certified] Anker® Ultra Slim Extended Battery Case for iPhone 6 inch) with Capacity / Extra Battery (Black)
The best thing about this iPhone battery case? It's also a stun gun