Get 1byone 3,100 mAh Battery Case for iPhone 6 / 6s, External Protective Charging Case with 2 Colors Frames from Amazon.com (via 1byone).
Price:   $34.99 (Reg: $79.99)
Discount:   $15.00 via coupon "NLFFDQLM"
Shipping:   Free for Amazon Prime members (or with $25+ Purchase)
Final Price:  $34.99 - $15 = $19.99 + Free Shipping with Amazon Prime
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