Apple Replacing Smart Battery Cases for the iPhone XS, XS Max, and XR - TidBITS
Gladgogo Battery Case for iPhone XR, [6800mAh] Portable Charging Case with Kickstand, Carplay Supported Rechargable Battery Pack for Apple XR Backup Charger Case (6.1 inch)-Black: Amazon.co.uk: Electronics & Photo
iPhone charging issues force Apple to launch smart battery case replacement program - PhoneArena
Apple Smart Battery Case for iPhone XR, Black
Mophie Juice Pack Access Charging Case for Apple iPhone XR - Black - 4
Apple Expected to Release iPhone XS Battery Case Soon, Possibly iPhone XS Max and iPhone XR Versions Too - MacRumors
iPhone XR smart battery case review: Effective but you don't need it for this iPhone
Apple releases new Smart Battery Cases for iPhone XR, XS, and XS Max - HardwareZone.com.sg
Apple iPhone XR Smart Battery Case Black MU7M2LL/A - Best Buy
Mophie Juice Pack Access Charging Case for Apple iPhone XR - Black - 4