Hi @pjarza
Here's the [http://h10032.www1.hp.com/ctg/Manual/c08265312.pdf|maintenance and service guide], taken from this support [https://support.hp.com/us-en/product/setup-user-guides/hp-envy-17.3-inch-laptop-pc-17-ch1000/2100796605|webpage] for the laptop model ''series.''
Go to p.33 to view the procedure to remove/replace the battery.
The battery part number is [https://www.google.com/search?client=firefox-b-d&q=M24563-005|M24563-005] (supplier examples only). Search online for the ''part number only,'' to find suppliers that suit you best.