Use your Milwaukee M18 batteries on Milwaukee M12 cordless tools, without buying into a second battery platform. Your Milwaukee M18 battery is 18V where Milwaukee M12 tools expect 12V. A DC-DC converter inside steps it down and holds it the...
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Bryan · June 24, 2026
I was a little skeptical of these adapters due to the price, however being able to use a larger size M18 battery on a smaller M12 tool results in full power output for longer and also gives some tools a better base to stand it up on!
Definitely worth the money and as most Milwaukee chargers have an M18 port now too, it just makes it easier to utilize more tool and battery combinations.
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Steven · February 13, 2026
the item got broke during shipment and the company quickly replaced it. I use the adapter on my Milwaukee die grinder and it works great. Beats buying a whole new line of batteries.