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CP vs XC vs Forge: What every Milwaukee M18 battery label actually means

Milwaukee has four main M18 battery types or form factors: CP, XC, HD, and HO. To simplify things, look at it this way: the ...
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Can You Use M18 Milwaukee Power Tool Batteries With M18 Fuel Tools? (And Should You?)

We may receive a commission on purchases made from links. Most hardware brands that offer a few different battery systems have do's and don'ts about which ones are allowed or able to intermingle.