DeWalt 20V Max 3.0Ah Battery Pack Teardown & Analysis

[Sembazuru]

There is a small discussion about using an external protection circuit on the 20V Max batteries.

See the thread here:

DeWalt 20V Max Questions

Since I can’t seem to comment on your article of the 3.0A battery teardown, I’m starting a new thread for my question. I see from the teardown that there really isn’t any over discharge protection, but all the inter-battery connections are exposed. If I wanted to 3D print a power-tap that I can, for example, run my TS100 soldering iron from my existing stock of 20V MAX (damn marketing department, these are really 18V (well 18.5V) battery packs) batteries I realize that I should include into the…