Milwaukee 0821-20 Cordless / Corded M18 Brushless 18-in. Fan With (2) HIGH OUTPUT XC 6.0Ah Batteries
Milwaukee 0821-20 Cordless / Corded M18 Brushless 18-in. Fan With (2) HIGH OUTPUT XC 6.0Ah Batteries
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Product Details
Product Details
Key Features
Overview
The Milwaukee 0821-20 Cordless / Corded M18 Brushless 18-in. Fan With (2) HIGH OUTPUT XC 6.0Ah Batteries is a ready-to-run jobsite fan kit for contractors, remodelers, painters, flooring crews, and maintenance teams. This is a cordless and corded jobsite fan designed for cooling, drying, and ventilation. Model Number 0821-20-48-11-1862 pairs the M18 Brushless 18" Fan with the Milwaukee 48-11-1862 M18 REDLITHIUM HIGH OUTPUT XC6.0 Battery 2-Pack.
Volume and reach are what separate this from a personal fan. Milwaukee rates it at up to 3,400 CFM, air speed up to 13.5 MPH, and air circulation over 50 ft. The 18" blade is driven by a brushless motor, and three speed settings let you trade airflow for runtime depending on whether you are cooling a crew or keeping air moving through a room all shift.
The head rotates a full 360 degrees, so you can aim air at a floor, a freshly mudded wall, a doorway, or a crew without propping the fan on buckets. The reinforced metal base and shroud are designed for impact, water, and dust resistance, and the stackable design keeps the fan organized in a trailer or truck.
Power flexibility is the main reason to buy this fan. It runs on any Milwaukee M18 battery, and the integrated AC plug accepts a standard extension cord for unlimited runtime when power is available. For reference, Milwaukee rates runtime at up to 2 hours on high and 9 hours on low with an M18 XC5.0 battery, and up to 5 hours on high and 23 hours on low with an M18 HD12.0 battery.
The included HIGH OUTPUT XC6.0 batteries are a step up from standard packs. Milwaukee rates them at up to 50% more power and 50% cooler running than standard M18 REDLITHIUM XC batteries. They also work in every other M18 tool on the truck, so the batteries keep earning their keep after the fan is put away for the season.
The fan weighs 17 lbs without a battery and measures 23.3" wide, 26.5" tall, and 11" deep. That is light enough to carry room to room and heavy enough to stay planted when it is running on high.
Who should buy this kit? Anyone who needs real airflow on a jobsite and does not already have spare M18 batteries to dedicate to a fan. If you already own plenty of M18 packs, the fan is also sold as a bare tool, the Milwaukee 0821-20 Tool Only.
Grab It and Go
Cordless power means the fan goes where the work is, not where the outlet is. Move it room to room as the crew moves.
- 17 lbs without battery
- Stackable design for storage and transport
Push Air Down the Whole Corridor
Over 50 ft of reach moves air through long hallways and open floors, which helps clear dust and heat from areas a small fan cannot touch.
- Up to 3,400 CFM
- Air speed up to 13.5 MPH
Speed Up Drying
Aim the 360-degree head at drywall compound, paint, or a wet floor and keep air moving across the surface while the crew works elsewhere.
- 360-degree head rotation
- Three speed settings: high, medium, and low
Built for Rough Environments
Mechanical rooms, basements, and active sites are hard on equipment. The reinforced metal base and shroud are designed to take impacts and resist water and dust.
- Reinforced metal base and shroud
- Brushless motor
What's in the Box
- (1) Milwaukee M18 Brushless 18" Fan
- (2) Milwaukee M18 REDLITHIUM HIGH OUTPUT XC6.0 Batteries
Charger sold separately.
Key Specifications
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3,400 CFM |
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13.5 MPH |
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Over 50 ft |
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18" |
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3 (high, medium, low) |
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360 degrees |
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Brushless |
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M18 battery or AC via extension cord |
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(2) M18 HIGH OUTPUT XC6.0 (6.0Ah) |
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23.3" x 26.5" x 11" |
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17 lbs (fan only) |
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Up to 2 hrs high, 9 hrs low |
Compatibility
Built For
Pro Tip
For overnight drying, plug the fan into an extension cord and put both HIGH OUTPUT packs back to work on your saws and drivers. Switch to battery only when you need to move the fan to a room without power.
Warranty & Support
Tool Nut's Take
The Milwaukee 0821-20 M18 Brushless 18-in. Fan Kit Is Ready to Work Out of the Box
A real site fan plus two high-output batteries, so the first day on the job is not spent hunting for a spare pack.
- Who it's for: Contractors, painters, drywall and flooring crews, and maintenance teams who need cooling, drying, or ventilation and are new to M18 or short on batteries.
- Why it stands out: 3,400 CFM, 360-degree aiming, and battery or AC power, with two batteries that move to your other M18 tools when the fan is off.
- Worth knowing: No charger is included. If you already have M18 batteries and a charger, the bare fan costs less.
Common Questions
- Does this kit include a charger? No. It includes the fan and two M18 HIGH OUTPUT XC6.0 batteries. Any M18 charger will charge them.
- Can it run without a battery? Yes. The integrated AC plug lets it run from a standard extension cord.
- How far does it move air? Milwaukee rates air circulation at over 50 ft with air speed up to 13.5 MPH.
- Can the fan head be aimed? Yes. The head rotates 360 degrees.

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