Vello BG-C15-2 Battery Grip for Canon Rebel T7i and 77D BG-C15-2
Camera Battery for Canon with Micro USB Dual Charger(2 Pack) 1040mAh – ENEGON
Canon 77D Review: Rebel in disguise?
Battery Grip for Canon 800D Rebel T7i 77D - YouTube
DSTE Canon Battery Grip To Increase DSLR Battery Life For Canon EOS 77D (2019) - YouTube
Canon 77D Battery Grip - YouTube
Hands-on with the Canon EOS 77D: Digital Photography Review
Amazon.com : UltraPro Battery Grip Bundle For Canon Rebel T7i, X9i, EOS 77D, 800D, 9000D: Includes Replacement Grip, 2-Pk LP-E17 Long-Life Batteries, Charger, UltraPro Accessory Bundle : Electronics
Amazon.com : for Canon 77D 800D T7I Battery Door Cover Lid Cap Chamber Case Digital Camera Replacement Repair : Electronics
Canon EOS 77D Review
Canon 77D Review: Rebel in disguise?
Amazon.com : Neewer Vertical Battery Grip with Battery Holder Compatible with Canon EOS 800D/Rebel T7i/77D/Kiss X9i/9000D, Work with 1 or 2 Pieces Canon LP-E17 Battery (Battery Not Included) : Electronics