Apple Smart Battery Case review (2019): A basic, effective iPhone add-on
iPhone XS Max Smart Battery Case review: A battery case that pulls its weight
Apple's Smart Battery Case Review (iPhone XS Max and XR)
iPhone XR Smart Battery Case - White
Review: Apple's iPhone Smart Battery Case Finally Grows Up
Apple launches smart battery cases for iPhone XS, XS Max and XR
Apple iPhone XS Smart Battery Case Review: Worth Your Money?
YHO Battery Case for iPhone Xs/X/10 Upgraded 6500mAh Protective Rechargeable Charging Case for iPhone X Extended Battery Pack for iPhone Xs Portable Charger Case Backup Cover (5.8 inch) - Black
Apple Smart Battery Case review (2019): A basic, effective iPhone add-on
Review: Apple's iPhone Smart Battery Case finally grows up
iPhone XR smart battery case review: Effective but you don't need it for this iPhone
Feob Battery Case for iPhone Xs Max Upgraded 7800mAh Portable Charging Case Extended Battery Pack for iPhone Xs Max [6.5 inch] Protective Charger
Your iPhone XS or XR battery case could be due a free replacement from Apple - The Verge
Apple iPhone Smart Battery Case review: Pretty good, if you need the boost - CNET
Review: Apple's Smart Battery Case for iPhone XR, XS & XS Max