My dewalt circular saw failed and killed 2 batteries in the process of troubleshooting. Dewalt replaced all 3 with minimal effort. I took apart the batteries and it looks like the inline
dewalt dcf682n1 8v max gyroscopic inline screwdriver not working every time : r/Dewalt
Troubleshooting A Broken Dewalt DW515 Hammer Drill
Dcd996 bites the dust - Dewalt - Power Tool Forum – Tools in Action