In fact, we have made an article on the " TOP 10 MILWAUKEE TOOLS YOU DIDNT KNOW EXISTED" Milwaukee M18 VS M12 Milwaukee's M18 batteries also come in 2 (soon to be 3) configurations. There are your bog standard Red lithium batteries. They also do High Output batteries. Lastly they have their Resistant Batteries which are great in workshops where oil is prevalent. Why Choose Milwaukee M18 Loading...