Vello BG-C18 Battery Grip for Canon EOS RP and R8 BG-C18 B&H
Amazon.com: Neewer Vertical Battery Grip,Compatible with Canon EOS R Mirrorless Digital Camera,Replacement for BG-E22,Works with LP-E6N/LP-E6NH Battery (Battery Not Included) : Electronics
Double-Sided Grip with Extra Cold Shoe for Canon EOS M50
Extended Battery Grip for Canon EOS M50
Amazon.com : NEEWER Vertical 2.4G Battery Grip Replacement for BG-R10 with 2.4G Remote Control, Compatible with Canon EOS R5 R5C R6 R6 Mark II Mirrorless Cameras Using LP-E6/LP-E6N/LP-E6NH Batteries (BG-R10RC-L) : Electronics
Classic Battery Grip for Canon EOS M50
SmallRig Cage for Canon EOS R5 / R6 / R5C / R6 Mark II with BG-R10 Battery Grip 3464B
Strange M50 Battery Grip: Canon EOS M Talk Forum: Digital Photography Review