This is the fan only. The M18 battery and charger are sold separately.
Milwaukee M18 Brushless Hybrid 18in. Variable-Speed Fan, Model# 0821-20

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Shipping:
Backordered: Order now to reserve yours -
Estimated to ship 06/25/26
$19.99 Same DayStore Pickup:
2 in stock at Fredericksburg VA - Pickup in under 1 hr
- Corded performance, durable cooling, total mobility
- Air circulation over 50 ft reach and 13.5 MPH air speed
- Reinforced design for impact, water, and dust resistance
- Brushless motor for durable cooling and increased life
- 18-inch blade allows for quick and efficient cooling, drying, or ventilation
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Description
Key Specs
Reviews
Q & A
Accessories
Warranty
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Product Summary
What's Included
- (1) M18™ Brushless 18" Fan (0821-20)
Downloads
Features + Benefits
- Corded performance, durable cooling, total mobility
- Air circulation over 50 ft reach and 13.5 MPH air speed
- Reinforced design for impact, water, and dust resistance
- Brushless motor for durable cooling and increased life
- 18-inch blade allows for quick and efficient cooling, drying, or ventilation
- 360-degree head rotation to adapt to any job
- Stackable design for optimized storage and transportation
- 3 speed settings: high, medium, low
- The M18 HD12.0 battery delivers 5 hrs. of runtime on high and 23 hrs. on low
- The M18 XC5.0 battery delivers 2 hrs. of runtime on high and 9 hrs. on low
- Integrated AC plug For extended runtime
- Fits all M18 batteries
- 1-year limited warranty
Key Specs
| Attribute | Specification |
|---|---|
item# | 5869979 |
Brand | Milwaukee |
Manufacturer's Warranty | 1 year limited warranty |
Ship Weight | 21.5 LB |
Fan Diameter | 18 in |
| Attribute | Specification |
|---|---|
Air Delivery | 3,400 cfm |
Volts | 18 |
Drive Type | Direct |
Speeds (qty.) | 3 |
Reviews
Questions & Answers
Questions
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· a year ago
Does the battery come with it?
1 answer-
ProductExpert11· a year ago
Helpful?
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· 2 years ago
If this fan is running on AC power AND has a charged battery installed... and the AC power fails, will this fan "automatically fail-over" to run off of the battery? Will it keep running in power failure if it was using AC power.
1 answer-
ProductExpert23· a year ago
Yes, the Milwaukee M18 Brushless 18in Fan (Model# 0821-20) is designed to automatically switch to battery power if the AC power fails, provided a charged battery is installed. This ensures continuous operation during a power outage, making it a reliable option for maintaining airflow in various conditions.
Helpful?
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· 2 years ago
How long will it continuously run?
1 answer-
ProductExpert11· 2 years ago
The run time on a 5 Ah battery on low is 9 hours, medium 5 hours and high 2 hours. The run time on a 12 Ah battery on low is 23 hours, on medium 12 hours and on high 5 hours.
Helpful?
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· 2 years ago
does this fan have a plug plus a battery pack. also can it be use in a crawl space to help pull air out. also is there a safety aspect to shut it self off if it get to hot?
1 answer-
ProductExpert11· 2 years ago
The fan will come with a integrated AC plug for extended run time. You will plug in a standard three wire extension cord into the AC plug on the side of the fan. The fan is designed to be used for cooling, drying and ventilation. It does not come with a safety shut off if the fan gets to hot.
Helpful?
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· 2 years ago
Will this fan resist outdoor use
1 answer-
ProductExpert11· 2 years ago
The fan is rated for indoor/outdoor use. It is water, dust and impact resistant.
Helpful?
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· 2 years ago
How loud is this fan when set on high?
1 answer-
ProductExpert11· 2 years ago
The decibel rating on high is 80 decibels.
Helpful?
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Warranty
Manufacturer's Warranty
1 year limited warranty
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Specifications
18 in
20 in
18 in
18 in
3,400 cfm
4,750 cfm
4,600 cfm
4,600 cfm
18
120
120
120
Direct
-
Direct
Direct
3
-
3
3
-
3.6
2.2
1.5
-
410
-
-
-
1,600 rpm
1,370 rpm
1,370 rpm
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10 ft
10 ft
10 ft
-
0.5 HP
0.12 HP
0.12 HP
-
lb
lb
lb
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27.5 x 27.5 x 16.0 in
18.0 x 22.0 x 40.0 in
10.5 x 20.0 x 20.0 in
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