[StrangeATractor]

There are exceptions depending on what you're doing, but generally speaking 95% of your cordless tools will be one brand.

[Arrath]

And it'll often be for the advantage of a single warranty/service/repair contract as much as a unified battery logistics chain.

When you have crews burning out a half dozen assorted hammer drills, recirc saws, electric rivet busters, etc. a week then the service side of the contract really comes in to play.