The cordless takeover was not gradual. Inside about a decade, batteries went from a convenience for punch list work to the default for framing, finishing, plumbing, and electrical. It earned that. Setup time went to zero and the tools stopped feeling like compromises.
There are still places where the cord wins, and knowing them saves a lot of standing around waiting for a charger.
Continuous high draw
The fundamental limit is not power. Modern packs can deliver plenty of current. The limit is delivering it for a long time without heat becoming the problem.
Cutting a hundred feet of concrete block with a grinder, ripping sheet after sheet of thick material, running a large hole saw through repeated framing members: these are not bursts. They are sustained loads. Packs get hot, output tapers, thermal protection eventually intervenes, and you are managing batteries instead of working.
A corded saw does not care. It draws the same current at minute forty as it did at minute one.
Mixing and coring
Mixing thinset, mortar, or drywall compound is a long duration high torque task, which is close to the worst case for a battery. Cordless mixers exist and they work, but a bucket of stiff mud will empty a large pack faster than most people expect, and a paddle that stalls is unpleasant with a lot of stored energy behind it.
Core drilling is similar and worse, because the cut is continuous by definition. Large diameter coring and heavy demolition are still corded or hydraulic territory in most professional settings.
Dust extraction
Cordless vacuums have gotten genuinely good for cleanup. Extraction is a different job.
When you are cutting, grinding, or drilling material that produces respirable silica, the vacuum needs to hold rated airflow for the entire duration of the work, not until the pack fades. Compliance approaches for silica control assume the extractor is doing its job continuously. That argues for a corded extractor sized to the tool whenever the work is more than a few minutes long.
Cold
Lithium cells lose available capacity as temperature drops. The pack is not damaged, but the chemistry slows down, so runtime falls and output sags until the cells warm from use. Below freezing many chargers will refuse to charge at all until the pack comes up to temperature.
For winter exterior work that means carrying more packs than you think you need, keeping spares inside the vehicle or a jacket, and accepting that the first cut of the morning will not feel like the last cut of the afternoon.
Very high or very repetitive fastening
Production framing and roofing still lean pneumatic in a lot of shops. A compressor and a hose are annoying to set up and unbeatable once running: constant driving power, light tools at the hand, and no runtime accounting. Cordless nailers have closed most of the gap for punch work, trim, and remodels, where dragging a hose through a finished house is the actual problem.
Where cordless clearly wins
Worth being fair about the other side. Anything where setup time dominates the task. Service calls. Ladder work. Anywhere a cord is a trip hazard or has nowhere to plug in. Small repetitive tasks scattered across a large site. In those situations a cordless tool is faster overall even when it is slower per cut.
Practical setup
- Cordless as the default for everything mobile, short duration, or scattered
- One corded circular saw and one corded grinder in the truck for the long sessions
- Corded mixer for anything thicker than paint
- Corded extractor for any silica-generating work of real duration
- Extra packs and inside storage for winter
The right answer has stopped being one or the other. It is knowing which twenty percent of your work still wants a cord, and not fighting that.