Are the all 20 volt batteries interchangeable with Black and decker 20v? Support November 15, 2022 17:46 Updated These are not interchangeable and we do not recommend it. Related articles Are the 20 v units interchangeable with the older 19.2 model units? Are the 19.2 batteries interchangeable with the 20 v batteries? How do I handle or claim a warranty on my tool? Where can I locate a manual or parts for my tool? Where can I find a service center to repair my tools? Comments 0 comments Please sign in to leave a comment.