Amazon.com: QTshine Battery Case for iPhone X/XS/10, Newest [6500mAh] Protective Portable Charging Case Rechargeable Extended Battery Pack for Apple iPhone X/XS/10(5.8') Backup Power Bank Cover - Black : Cell Phones & Accessories
Apple's new Smart Battery Case fits an iPhone X, but charging requires iOS 12.1.3
Apple Smart Battery Case Review: iPhone XS/Max & XR design, wireless charging, still bulky [Video] - 9to5Mac
Apple MRXK2LL/A Silicone Smart Battery Case for iPhone XS - Black for sale online | eBay
Apple iPhone X Battery Case - 5000 MAH Power Bank – punkcase