piece information - What is inside the Technic Powered Up XL motor? - Bricks
2pcs 8882 9V XL Motor MOC Technic Parts Electric Building Block Power Function | eBay
LEGO 9V Technic Motors compared characteristics
For the Power Functions fans out there... 8043 with 1 XL motor, 5 M motors, 3 receivers/remotes. From Jergen's Technic Corner mod along with my own small updates. I prefer the claw
LEGO® Technic Power Function XL-Motor (4506081/8882)