Hi Luis.
I agree with the two previous answers. I'd just like to share with you my own recent experience of changing the battery on the Surface Pro 4 tablet, which was far from trivial.
You can find my comments here => https://fr.ifixit.com/R%C3%A9ponses/Afficher/802685/Screen+replacement+of+Surface+Pro+4+with+a+Surface+Pro+5+screen?permalink=answer-820736#answer820736
Good luck!