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I have a 13” MacBook Pro (2016) with touchbar and I need to replace the battery but the only battery I can find is for the 2016-2017 13” with function keys. Would the same battery work for TouchBar or does it require a completely different battery?

The Touch bar model of the MacBook has a different battery type. The battery model number required for your laptop is A1819 MacBook Pro 13" Retina (Touch Bar, Late 2016-2017) Battery

@ghostprotocol - It appears to be available at the US store

Where are you located?