Double your iPhone 6/s battery capacity w/ this 3,100mAh MFi Apple-Certified Case for $20 Prime shipped (Reg. $37)

1byone via Amazon offers its 3100mAh iPhone 6/s Battery Case in Gold for $36.99. Applying coupon code KRVPRXFJ drops the final price to $19.99 with free shipping for Prime members or on orders of $35+. Today’s deal is 45% off the regular price and the lowest offering we can find. Rated 4.3/5 stars.

Double the battery life of your iPhone with this 3,100mAh battery case. It is MFi Apple-Certified so its safe to use with your device. The built-in LED light notifies you of how much power is left. It includes a microUSB cable for recharging and a one-year warranty.

You can find more iPhone 6/s cases in our Spigen roundup from this morning. Grab a few extra Lightning cables for your home or office with your savings.

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