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Amazon offers the Bestek Apple-certified MFI  3100mAh 4.7 Inch iPhone 6/6s Battery Case w/2 Color Frames for $19.99. Our Exclusive Coupon Code A4K4QEYT drops it to $14.99 Prime Shipped. That’s one of the best prices we’ve seen for an iPhone 6/s battery case. This attractive  protective case that can more than double the iPhone’s battery life comes from a trusted brand in Bestek and gets 4.1/5 star reviews. It charges via included MicroUSB cable and has a aux jack extender that works with all headphones. It has 2 color frames; black that matches the rest of the case and clear which shows off your iPhone’s colors.

  • BESTEK Advantage:Built-in 3.7V 3100mAh Li-Polymer rechargeable battery can effectively provide 100%+ extra battery life to your iPhone 6, which is equivalent to add 14 + hours talk time or 10+ hours web browsing time
  • Apple MFi Certified:specifically made to fit with your iPhone 6(4.7 inch) so you can expect quality performance and reliability. Worry-Free of compatibility or safety issues. No errors whatsoever
  • Sync-through Technology:you can sync your iPhone to a computer without having to take the battery case off. Simultaneously charge your iPhone and battery case together with the included micro USB cable.The case deploys microUSB input to lightning 8pin output to save you $100+ on keeping multiple apple cables
  • Slim Design:Specially designed and customized with any version of Apple iPhone 6. 360° comprehensive bumper design and hard-shell backplate, the BESTEK Portable Charger protects your iPhone from scratches and other daily wear and tear
  • LED Indicator:BESTEK iPhone 6 battery case features LED battery level indicator that lets you know exactly how much power you have; and a softer side that safely holds your iPhone while providing easy access to all buttons and ports

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