Change Battery in a MacBook Pro

You need to let Apple change it. The battery is glued to the upper deck and the glue requires flammable and poisonous solvents to remove. Chance of irreparable damage to the logic board is a 9 out of 10.

This Apple support page has an estimator for repair costs:

Mac Service & Repair - Apple Support

Check out this page. Make sure you have selected your country to get an estimate in the correct currency. Change your country at the bottom right corner of the web page.

Mac Service & Repair - Apple Support

Which model?