eBay has the Mophie Juice Pack Wireless Charging Battery Case for iPhone 8/7, 8/7 Plus in $13.49 with free shipping.
- Supports Wireless Charging.
- Rubberized support pads on the interior for drops and falls.
- Designed for the iPhone 7/8.
- iPhone 7/8: 2525mAh. iPhone 7/8 Plus: 2420mAh.
- 30 Day Seller Warranty.