Amazon.com: Loytal Battery Case for Samsung Galaxy S10, 6000mAh Rechargeable Extended Battery Charging Case, External Battery Charger Case, Adds 150% Extra Juice, NOT for S10 5G (6.1 inch for Galaxy S10) :
Amazon.com: NEWDERY Galaxy S21 Ultra 5G Battery Case, Qi Wireless Charging case with 4700mAh Backup Battery Pack, Portable Rechargeable Smart Battery Charger Case Compatible with Samsung S21 Ultra(6.8”) Black : Cell Phones