Lenovo Product Information
https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-t-series-laptops/thinkpad-t580-type-20l9-20la/20l9/20l9cto1ww/documentation/doc_accessories
Product number: 20L9CTO1WW
Replace the Keyboard Instructions
https://youtu.be/v60498O9Q0s?si=JQPrmUAQucUq8jSi
Battery Replacement Part
https://pay.ebay.com/rxo?action=view&sessionid=2575078954019