This video is a simple solution for converting a Milwaukee 18 volt DC to 12 volt DC.
The adapter shown is available as a genuine Milwaukee part. It comes with a USB outlet and a 12 volt outlet for the Milwaukee jackets. Quite a handy little device for charging and things with USB. But what about 12 volt items?
So I found a random plug that fitted into the 12 volt part of the adapter that's used for the jackets. It happened to be and old 9 volt charger for something, found in a box of chargers. So 240VAC to 9VDC, of course we are only interested in the plug.
I had a mutli 12 volt DC outlet in the car. Available from any auto shop or eBay.
I cut the end off the 9 volt plug keeping plenty of length. Stripped both ends keeping them apart. Plugged this into the battery adapter on the Milwaukee battery. Noted which was + and -. Cut the end off the 12 volt multi outlet plugged into the car outlet did the same and noted + & -.
Slipped heat shrink over, matched the 2 + & the 2 -, twisted together and soldered. Then shrunk down the heat shrink .
Tested and I was getting 12.2 volts DC at each outlet as per the video.
In line crimps would work in Lou of solder. The Milwaukee adaptors are half the price of the genuine from China. I used Aliexpress.
Might see if it will run an Engel next.
Like, or don't. Comment or don't. Will try to answer any questions.

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