The Black+Decker LSW321 is a lightweight cordless handheld leaf blower delivering 100 CFM at 130 MPH. It features a 2 Ah 20 V Li-ion battery. (Read full specs)
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Features and Specifications
Type | Cordless |
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Handling | Handheld |
CFM | Up to 100 |
MPH | Up to 130 |
Blowing Force | N/A |
Brushless | No |
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Voltage | 20 V |
Speed settings | 1 |
Battery | Li-ion |
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Autonomy | 25 mins |
Vacuum | No |
Battery included | 1 |
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Weight (w/ battery) | 3.7 lbs |
Weight (tool only) | 2.8 lbs |
Noise rating | 54 dB |
Warranty | 2 years |
Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue. Should you wish more detailed specs on the Black+Decker LSW321, the user manual is available here (opens in a new tab).
Description
Overview of the Black+Decker LSW321
- Power: The Black+Decker LSW321 can expel 100 cubic feet of air per minute (CFM) from its nozzle at a maximum speed of 130 MPH.
- Power delivery: With its battery-operated design, the Black+Decker blower offers unparalleled freedom of movement, eliminating the need for cumbersome cords during operation.
- Battery: It has 2 Ah 20 V Li-ion battery (1 LBXR2020 battery combo included) that should work reliably for up to 25 minutes if completely charged.
- Handling: With its handheld design, this leaf blower was created with portability in mind. Most users will have no problem using it almost anywhere. When compared to other cordless handheld blowers, the Black+Decker LSW321 stands out due to its lower weight: just 3.7 lbs battery included.
- Speed Settings: The LSW321 by Black+Decker has just one speed setting.
- Noise: As far as electric handheld blowers go, this one is average in terms of noise with a rating of 54 dB.
Product Videos
The Black+Decker LSW321's performance versus other blowers
The following charts are provided to give you an idea how the key specs of the Black+Decker LSW321 compare with handheld leaf blowers of similar voltage (between 18 and 24V).
- Upon exiting the nozzle, the air can reach speeds of up to 130 MPH, which is rather impressive for a battery-operated handheld blower between 18 and 24V. If you wish to benefit from air expelled at the fastest possible speed, the Makita XBU07SM1 and its 143 MPH could be an option to consider.
- At 100 CFM (cubic feet per minute), its airflow output is modest compared to other cordless handheld blowers. For the highest air volume, you may want to have a look at the Ryobi PBLLB01K, which boasts with 510 CFM.
- Within the voltage range of 18V to 24V, the LSW321 falls within the typical autonomy range for cordless handheld units, delivering up to 25 minutes of operation on a full charge. If autonomy is an important factor for you, the Ryobi PBLLB01K can run for up to 60 minutes and could be worth considering.
Here's a list of the most popular specific comparisons:
Price comparison
As you can see from these interactive charts, when compared to other cordless blowers, the Black+Decker LSW321 is on the cheap side of the price range.
It can therefore be a really good buy if you're looking to acquire a budget blower.
POWERBOOST Technology

POWERBOOST is one of the features of the POWERCOMMAND™ line of Black+Decker outdoor power tools. The Black+Decker LSW321 has a button that gives it a surge in blowing speed when pressed. Although POWERBOOST uses a lot of power (which drains the battery faster) , it is quite useful for loosening up those stubborn patches of debris that get stuck and otherwise refuse to budge. When POWERBOOST is used sparingly, the LSW321 enjoys a normal runtime, so this feature is definitely ideal for tackling less rigorous tasks with more precise control.
The bottom line
- Inexpensive
- Lightweight (3.7 lbs)
- POWERBOOST Technology
- High MPH (130 MPH)
- Acceptable noise (54 dB)
- Good autonomy (25 mins)
- Brushed motor
- No speed variation
- Low CFM (100 CFM)
About Black+Decker
The Stanley Black & Decker Corporation is an American manufacturer that has produced and sold quality tools and accessories for over a hundred years. The corporation sells a wide variety of hand tools, power tools, security systems and more through its many subsidiary brands: Stanley, Black & Decker, DeWalt, Mac, Bostitch, and more. Stanley Black & Decker counts itself as a leading global manufacturer of tools and similar products with a market presence in over 100 countries.
Warranty Information
The Black+Decker LSW321 is covered under a warranty for up to 2 years. This warranty may not cover all parts of the blower.
For more information about the warranty of Black+Decker blowers, please consult Black+Decker's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-800-544-6986.
Questions & Answers
I have lost the original box for my LSW3211 blower. Did it come with a battery charger? If not, how do I charge the battery? Thanks. (Asked July 26, 2021)
The unit does come with a battery charger. If you lost it, the LCS1620 (opens in a new tab) is the charger you're looking for.
Couldn't find the right answer for you? Ask your own question.