The Milwaukee hardware brand offers a handful of different tool systems, each with its own corresponding battery packs. These include the M12 system and the M18 system. However, there are also ...

Odds are, if you're familiar with Milwaukee's battery systems, you are equipped with the proper tools and batteries between the M12 and M18 varieties based on your level of tool usage.

Both of these lines use the same connecting rails and can be connected to any M18-compatible Milwaukee battery charger. There are no dedicated M18 Fuel battery packs; any pack you use for an M18 ...