Question: do all dewalt 20v batteries interchangeable?
Answer: Standard DeWalt 20 volt batteries are compatible with all 20-volt tools, as well as all 20-volt chargers. This means that once you join the DeWalt platform, you have access to over 100 products that all use the same battery technology. DeWalt 20v MAX batteries can't be used in FlexVolt 60v and 120v MAX tools, however.