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Shop-Vac 20V 1.8L Cordless Review | 43 Data compared

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  • Avg. price: ~£70
  • Suction pressure: 8 kPa
  • Capacity: 1.8 L
  • Power: ?
  • Noise level: ?
  • Weight: ?

Shop-Vac 20V 1.8L Cordless review. Compare 43 technical specifications and user reviews to see how this product ranks in the Wet-Dry Vacuums category and whether it is worth buying.

7.0

Overall score

What it is: An overall evaluation of products in the Wet-Dry Vacuums category, based on technical analysis and user reviews.

When it matters: When you need a quick reference for identifying the best products in the Wet-Dry Vacuums category.

Score components:

80.0%

6.9

Technical Score

20.0%

7.2

User score

Very good
6.9

Technical Score

What it is: An assessment of technical performance for products in the Wet-Dry Vacuums category across these key areas: Performance, Battery, Design & Mobility, Filter & Accessories.

When it matters: When you want to compare products in the Wet-Dry Vacuums category by technical performance, specifications, and available features.

Score components:

40.0%

5.6

Performance

22.0%

7.8

Design & Mobility

20.0%

6.6

Filter & Accessories

18.0%

9.1

Battery

Good
7.2

User score

What it is: A rating that combines user reviews with the total review volume for products in the Wet-Dry Vacuums category.

When it matters: When you want to know how products in the Wet-Dry Vacuums category perform in everyday use and how reliable owners find them over time.

Score components:

70.0%

8.2

User reviews

30.0%

4.9

Popularity

User score:
United Kingdom
amazon
4.1
(108)
United States
Amazon_logo.png
4.1
(110)

(Reviews last updated: August 2026)

Very good
  • 6.8
    Car cleaning

    Score components:

    30.0%

    ?

    Weight

    25.0%

    10

    Cordless

    25.0%

    1.0

    Suction pressure

    20.0%

    ?

    Noise level

  • 3.9
    Workshop & garage

    Score components:

    30.0%

    ?

    Rated motor power

    25.0%

    1.4

    Capacity

    25.0%

    4.0

    Power tool socket

    20.0%

    1.0

    Suction pressure

  • 4.2
    Professional use

    Score components:

    30.0%

    ?

    Rated motor power

    30.0%

    1.0

    Suction pressure

    25.0%

    1.4

    Capacity

    15.0%

    ?

    Weight

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Best prices in UK

Best rankings

?

Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The Shop-Vac 20V 1.8L Cordless Wet/Dry Vacuum is a highly compact utility vac designed for small, on-the-go cleanups, featuring a 20V Max battery system and an integrated 1.8-litre (approx. 0.5-gallon) tank capacity. Driven by a 200W motor providing up to 45 CFM of airflow and 8.0 kPa of suction power, its primary characteristics include dual wet and dry cleaning capabilities, a lightweight handheld canister design, and convenient wall-mount storage. Key pros include quick 1-hour fast charging for its 2.0Ah lithium battery, excellent portability for tight spaces like car interiors, and an integrated blower function. However, its notable cons include a short 15-minute runtime per charge and a very limited capacity that requires frequent emptying during larger tasks.

Technical Specifications of wet-dry vacuum Shop-Vac 20V 1.8L Cordless

Technical Score

What it is: An assessment of technical performance for products in the Wet-Dry Vacuums category across these key areas: Performance, Battery, Design & Mobility, Filter & Accessories.

When it matters: When you want to compare products in the Wet-Dry Vacuums category by technical performance, specifications, and available features.

Score components:

40.0%

5.6

Performance

22.0%

7.8

Design & Mobility

20.0%

6.6

Filter & Accessories

18.0%

9.1

Battery

6.9
Shop-Vac 20V 1.8L Cordless has a technical score of 6.92 points, which is lower than 57.9% of products in this category.
User score

What it is: A rating that combines user reviews with the total review volume for products in the Wet-Dry Vacuums category.

When it matters: When you want to know how products in the Wet-Dry Vacuums category perform in everyday use and how reliable owners find them over time.

Score components:

70.0%

8.2

User reviews

30.0%

4.9

Popularity

User score:
United Kingdom
amazon
4.1
(108)
United States
Amazon_logo.png
4.1
(110)

(Reviews last updated: August 2026)

7.2
Shop-Vac 20V 1.8L Cordless has a user score of 7.2 points, which is lower than 85.6% of products in this category.
Popularity
What it is: An indicator based on the number of reviews received by products in the Wet-Dry Vacuums category.
When it matters: When you prefer products in the Wet-Dry Vacuums category that have been chosen and reviewed by many other buyers.
4.9
Shop-Vac 20V 1.8L Cordless has a popularity of 4.9 points, which is lower than 52.5% of products in this category.
Ratio quality/price

What it is: An indicator that combines the overall score of products in the Wet-Dry Vacuums category with their prices.

When it matters: When you are comparing products in the Wet-Dry Vacuums category and want a good balance between quality and price.

Score components:

60.0%

7.0

Overall score

40.0%

10

Price

7.9
Shop-Vac 20V 1.8L Cordless has a quality-to-price ratio of 7.9 points, which is higher than 46% of products in this category.
Power
What it is: The rated electrical input of the vacuum motor.
When it matters: Higher power can help sustain demanding wet and dry cleaning, although suction design also matters.

Importance: HIGH

?
Variable power
What it is: Whether the vacuum lets you adjust motor or suction power.
When it matters: Power adjustment helps match suction to delicate surfaces, heavy debris, and power-tool use.

Importance: MEDIUM

no
Shop-Vac 20V 1.8L Cordless has fixed suction power. 34.2% of wet-dry vacuums have adjustable suction power.
Capacity
What it is: The amount of liquid or debris the collection tank can hold.
When it matters: A larger tank reduces emptying interruptions during big spills and workshop cleanup.

Importance: HIGH

1.8 L
Shop-Vac 20V 1.8L Cordless has capacity of 1.8 L, which is worse than 72.6% of wet-dry vacuums.
Noise level
What it is: The sound level produced while the vacuum is running.
When it matters: Lower noise is useful for longer cleaning sessions and work in occupied spaces.

Importance: HIGH

?
Suction pressure
What it is: The maximum pressure difference the vacuum can generate for suction.
When it matters: Higher suction pressure helps lift dense debris and extract liquid from difficult areas.

Importance: HIGH

8 kPa
Shop-Vac 20V 1.8L Cordless has suction pressure of 8 kPa, which is worse than 96.6% of wet-dry vacuums and equal to 0.6% of wet-dry vacuums.
Show more
Cordless
What it is: Whether the vacuum can run without a mains power cable.
When it matters: Cordless operation improves mobility in cars, stairs, and areas without a nearby outlet.

Importance: MEDIUM

yes
Shop-Vac 20V 1.8L Cordless supports cordless operation. This feature is present on 29.6% of wet-dry vacuums.
Battery type
What it is: The battery chemistry used by a cordless vacuum.
When it matters: Battery chemistry affects weight, charging behavior, lifespan, and replacement options.

Importance: LOW

Li-ion
Battery runtime
What it is: How long the cordless vacuum can operate on one charge.
When it matters: Longer runtime lets you finish larger jobs without stopping to recharge.

Importance: MEDIUM

?
Charging time
What it is: The time required to recharge the battery.
When it matters: Faster charging reduces downtime between cleaning sessions.

Importance: MEDIUM

1 hours
Shop-Vac 20V 1.8L Cordless has charging time of 1 hours, which is better than 100% of wet-dry vacuums.
Battery voltage
What it is: The nominal voltage of the vacuum battery system.
When it matters: Voltage helps describe the battery platform and its available power class.

Importance: LOW

20 V
Shop-Vac 20V 1.8L Cordless has battery voltage of 20 V, which is worse than 83.3% of wet-dry vacuums and equal to 3.7% of wet-dry vacuums.
Show more
Power cable length
What it is: The length of the vacuum's mains power cable.
When it matters: A longer cable increases reach and reduces how often you change outlets.

Importance: MEDIUM

?
Operating radius
What it is: The total working reach provided by the cable, vacuum body, and hose.
When it matters: A larger radius lets you clean more space without moving the plug or machine.

Importance: MEDIUM

?
Bagless
What it is: Whether debris is collected directly in a reusable tank instead of a disposable bag.
When it matters: A bagless tank avoids replacement-bag costs and is convenient for wet pickup.

Importance: LOW

yes
Shop-Vac 20V 1.8L Cordless uses a bagless collection system. This feature is present on 66.2% of wet-dry vacuums.
Tank material
What it is: The material used for the vacuum's collection tank.
When it matters: Tank material affects durability, corrosion resistance, weight, and ease of cleaning.

Importance: LOW

plastic
Shop-Vac 20V 1.8L Cordless uses a less suitable tank material.
Power cable holder
What it is: Whether the vacuum has an integrated holder for the power cable.
When it matters: Onboard storage keeps the cable tidy and makes the vacuum easier to carry and store.

Importance: LOW

?
Show more
N. of filters
What it is: The number of filtration elements supplied or used by the vacuum.
When it matters: Multiple filters can support different pickup modes or provide staged dust capture.

Importance: MEDIUM

2
Shop-Vac 20V 1.8L Cordless has 2 filters, which is better than 25.3% of wet-dry vacuums and equal to 55.6% of wet-dry vacuums.
HEPA filter
What it is: Whether the vacuum includes a high-efficiency particulate air filter.
When it matters: HEPA filtration helps capture fine dust and allergens from the exhaust air.

Importance: MEDIUM

no
Shop-Vac 20V 1.8L Cordless does not have HEPA filtration. 53.4% of wet-dry vacuums have HEPA filtration.
A HEPA filter is explicitly not included.
Washable filter
What it is: Whether the filter can be cleaned with water and reused.
When it matters: A washable filter can reduce replacement costs and simplify maintenance.

Importance: MEDIUM

yes
Shop-Vac 20V 1.8L Cordless has a washable filter. This feature is present on 96.6% of wet-dry vacuums.
A washable filter is explicitly included.
Automatic filter cleaning
What it is: Whether the vacuum cleans its filter automatically during operation.
When it matters: Automatic cleaning helps maintain suction during dusty work and reduces maintenance stops.

Importance: MEDIUM

no
Shop-Vac 20V 1.8L Cordless requires manual filter cleaning. 0.9% of wet-dry vacuums have automatic filter cleaning.
Automatic filter cleaning is explicitly not supported.
Flexible hose
What it is: Whether a flexible suction hose is included.
When it matters: A flexible hose improves reach and control around furniture, vehicles, and tools.

Importance: LOW

?
Show more

Shop-Vac 20V 1.8L Cordless vs the average wet-dry vacuum

  • Cordless operation
    Shop-Vac 20V 1.8L Cordless has cordless operation, while the average wet-dry vacuum does not.
    What it is: Whether the vacuum can run without a mains power cable.
    When it matters: Cordless operation improves mobility in cars, stairs, and areas without a nearby outlet.

    Importance: MEDIUM

    Shop-Vac 20V 1.8L Cordless has cordless operation, while the average wet-dry vacuum does not.
  • Removable battery
    Shop-Vac 20V 1.8L Cordless has a removable battery, while the average wet-dry vacuum does not.
    What it is: Whether the battery can be removed without dismantling the vacuum.
    When it matters: A removable battery can be swapped for longer runtime and replaced more easily.

    Importance: MEDIUM

    Shop-Vac 20V 1.8L Cordless has a removable battery, while the average wet-dry vacuum does not.
  • 3 hours less charging time
    2 hours less charging time: Shop-Vac 20V 1.8L Cordless has 1 hours, while the average wet-dry vacuum has 4 hours.
    What it is: The time required to recharge the battery.
    When it matters: Faster charging reduces downtime between cleaning sessions.

    Importance: MEDIUM

    2 hours less charging time: Shop-Vac 20V 1.8L Cordless has 1 hours, while the average wet-dry vacuum has 4 hours.1 hours vs 4 hours
  • 87 mm less depth
    2 mm less depth: Shop-Vac 20V 1.8L Cordless has 260 mm, while the average wet-dry vacuum has 347 mm.
    What it is: The front-to-back depth of the vacuum body.
    When it matters: Less depth can make the vacuum easier to store on shelving or in a small workshop.

    Importance: LOW

    2 mm less depth: Shop-Vac 20V 1.8L Cordless has 260 mm, while the average wet-dry vacuum has 347 mm.260 mm vs 347 mm
  • 85.7% cheaper
    Shop-Vac 20V 1.8L Cordless is cheaper than the average wet-dry vacuum (£70 vs £130).
    Shop-Vac 20V 1.8L Cordless is cheaper than the average wet-dry vacuum (£70 vs £130).£70 vs £130
  • Cordless operation
    Shop-Vac 20V 1.8L Cordless has cordless operation, while the average wet-dry vacuum does not.
  • Removable battery
    Shop-Vac 20V 1.8L Cordless has a removable battery, while the average wet-dry vacuum does not.
  • 3 hours less charging time
    2 hours less charging time: Shop-Vac 20V 1.8L Cordless has 1 hours, while the average wet-dry vacuum has 4 hours.
  • 87 mm less depth
    2 mm less depth: Shop-Vac 20V 1.8L Cordless has 260 mm, while the average wet-dry vacuum has 347 mm.

Total
Overall
Battery
Design & Mobility
  • 10 kPa less suction pressure
    2 kPa less suction pressure: Shop-Vac 20V 1.8L Cordless has 8 kPa, while the average wet-dry vacuum has 18 kPa.
  • 13.2 L less tank capacity
    2 L less tank capacity: Shop-Vac 20V 1.8L Cordless has 1.8 L, while the average wet-dry vacuum has 15 L.
  • 1.6 V less battery voltage
    2 V less battery voltage: Shop-Vac 20V 1.8L Cordless has 20 V, while the average wet-dry vacuum has 21.6 V.
  • 4 fewer wheels
    2 fewer wheels: Shop-Vac 20V 1.8L Cordless has 0, while the average wet-dry vacuum has 4.
  • 3.25 mm less hose diameter
    2 mm less hose diameter: Shop-Vac 20V 1.8L Cordless has 31.8 mm, while the average wet-dry vacuum has 35 mm.
  • No HEPA filter
    Shop-Vac 20V 1.8L Cordless does not have HEPA filtration, while the average wet-dry vacuum has HEPA filtration.
    A HEPA filter is explicitly not included.
  • No universal floor nozzle
    Shop-Vac 20V 1.8L Cordless does not have a universal floor nozzle, while the average wet-dry vacuum has a universal floor nozzle.
    A universal floor nozzle is explicitly not included.
  • No HEPA filter
    Shop-Vac 20V 1.8L Cordless does not have HEPA filtration, while the average wet-dry vacuum has HEPA filtration.
    A HEPA filter is explicitly not included.
    What it is: Whether the vacuum includes a high-efficiency particulate air filter.
    When it matters: HEPA filtration helps capture fine dust and allergens from the exhaust air.

    Importance: MEDIUM

    Shop-Vac 20V 1.8L Cordless does not have HEPA filtration, while the average wet-dry vacuum has HEPA filtration.
  • 10 kPa less suction pressure
    2 kPa less suction pressure: Shop-Vac 20V 1.8L Cordless has 8 kPa, while the average wet-dry vacuum has 18 kPa.
    What it is: The maximum pressure difference the vacuum can generate for suction.
    When it matters: Higher suction pressure helps lift dense debris and extract liquid from difficult areas.

    Importance: HIGH

    2 kPa less suction pressure: Shop-Vac 20V 1.8L Cordless has 8 kPa, while the average wet-dry vacuum has 18 kPa.8 kPa vs 18 kPa
  • 13.2 L less tank capacity
    2 L less tank capacity: Shop-Vac 20V 1.8L Cordless has 1.8 L, while the average wet-dry vacuum has 15 L.
    What it is: The amount of liquid or debris the collection tank can hold.
    When it matters: A larger tank reduces emptying interruptions during big spills and workshop cleanup.

    Importance: HIGH

    2 L less tank capacity: Shop-Vac 20V 1.8L Cordless has 1.8 L, while the average wet-dry vacuum has 15 L.1.8 L vs 15 L
  • No universal floor nozzle
    Shop-Vac 20V 1.8L Cordless does not have a universal floor nozzle, while the average wet-dry vacuum has a universal floor nozzle.
    A universal floor nozzle is explicitly not included.
    What it is: Whether a floor nozzle for both wet and dry cleaning is included.
    When it matters: A universal nozzle reduces accessory changes when moving between dust and spills.

    Importance: LOW

    Shop-Vac 20V 1.8L Cordless does not have a universal floor nozzle, while the average wet-dry vacuum has a universal floor nozzle.
  • 4 fewer wheels
    2 fewer wheels: Shop-Vac 20V 1.8L Cordless has 0, while the average wet-dry vacuum has 4.
    What it is: The number of wheels supporting the vacuum body.
    When it matters: More well-positioned wheels can improve stability and movement on uneven floors.

    Importance: LOW

    2 fewer wheels: Shop-Vac 20V 1.8L Cordless has 0, while the average wet-dry vacuum has 4.0 vs 4
  • 3.25 mm less hose diameter
    2 mm less hose diameter: Shop-Vac 20V 1.8L Cordless has 31.8 mm, while the average wet-dry vacuum has 35 mm.
    What it is: The internal diameter of the suction hose.
    When it matters: A wider hose is less likely to clog on leaves, shavings, and large debris.

    Importance: LOW

    2 mm less hose diameter: Shop-Vac 20V 1.8L Cordless has 31.8 mm, while the average wet-dry vacuum has 35 mm.31.75 mm vs 35 mm
  • 1.6 V less battery voltage
    2 V less battery voltage: Shop-Vac 20V 1.8L Cordless has 20 V, while the average wet-dry vacuum has 21.6 V.
    What it is: The nominal voltage of the vacuum battery system.
    When it matters: Voltage helps describe the battery platform and its available power class.

    Importance: LOW

    2 V less battery voltage: Shop-Vac 20V 1.8L Cordless has 20 V, while the average wet-dry vacuum has 21.6 V.20 V vs 21.6 V
  • 11% lower user score
    Shop-Vac 20V 1.8L Cordless has a lower user score than the average wet-dry vacuum (7.2 vs 8).
    What it is: A rating that combines user reviews with the total review volume for products in the Wet-Dry Vacuums category.
    When it matters: When you want to know how products in the Wet-Dry Vacuums category perform in everyday use and how reliable owners find them over time.
    Shop-Vac 20V 1.8L Cordless has a lower user score than the average wet-dry vacuum (7.2 vs 8).7.2 vs 8
Total
Overall
Performance
Battery
Design & Mobility
Filter & Accessories

Graphic comparison of Shop-Vac 20V 1.8L Cordless and other products in the Wet-Dry Vacuums category

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Third-party reviews

United Kingdom
amazon
4.1
108 Reviews
United States
Amazon_logo.png
4.1
110 Reviews

(Reviews last updated: August 2026)

What customers like about Shop-Vac 20V 1.8L Cordless?

  • Highly portable and easy to carry due to its lightweight and compact handheld design
  • Convenient cordless operation powered by a 20V battery system, eliminating power cord hassle
  • Versatile 3-in-1 capability supporting dry debris pickup, wet cleaning, and basic blowing functionalities
  • Includes useful on-board storage brackets and attachments like a crevice tool and gulper nozzle
  • Great for small, quick cleanups in workshops, garages, and car interiors

What customers dislike about Shop-Vac 20V 1.8L Cordless?

  • Limited continuous battery run time of roughly 15 minutes per full charge
  • Relatively long battery recharging time compared to its active operation duration
  • Small 1.8-liter (approx. 0.5 gallon) tank capacity requires frequent emptying during larger jobs
  • Lower peak suction power compared to heavy-duty, corded workshop models

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