Hi @ssantana ,
Search online for ''761230-005'' to find suppliers of the battery that suit you.
This is the part number for the battery in your model laptop.
Here’s the [http://h10032.www1.hp.com/ctg/Manual/c04341936|service and maintenance guide] for the laptop, taken from this [https://support.hp.com/us-en/product/hp-envy-15-u000-x360-convertible-pc/6944194/model/7174404/manuals|webpage].
Go to p.31 to view the necessary pre-requisite steps and then the procedure to replace the battery. The battery part number is shown at the top of the page.