The one thing you don't get with these adapters is temperature monitoring. (DeWalt has extra balancing pins for the charger so the board doesn't need to do it.) Also they balance the cells during charging, for Makita and Milwaukee. They include features such as monitoring temperatures and current to feed back to the tool. Yes, there are circuit boards in the packs.

So yes, it is generally quite safe to use the adapters between Dewalt, Makita, and Milwaukee. The only major brands with the cutoff in the pack are Ridgid and Ryobi.Īll the other brands, including Dewalt and Makita, put the low voltage cutoff in the tool. I've torn down quite a few power tool batteries, of all the major brands.

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Makita battery adapter dewalt