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Cordless Pressure Washer 21V vs AVA Foam Cannon with 0.6 Litre Bottle

Updated August 2026The Cordless Pressure Washer 21V offers superior versatility and cleaning power, making it the better choice for standalone use. The AVA Foam Cannon is a great accessory for enhancing existing pressure washers.

The Cordless Pressure Washer 21V offers superior versatility and cleaning power, making it the better choice for standalone use. The AVA Foam Cannon is a great accessory for enhancing existing pressure washers.

Why Cordless Pressure Washer 21V is better

Cleaning Power

Higher maximum pressure of 899 PSI compared to 160 bars.

Portability

Cordless design allows for use without power outlets.

Versatility

Can clean a variety of surfaces effectively.

Why AVA Foam Cannon with 0.6 Litre Bottle is better

Price

Lower price point at £19.90.

Foam Application

Specialized for creating foam for enhanced cleaning.

Weight

Lighter at 403 grams compared to the pressure washer.

Overall score

Cordless Pressure Washer 21V
85
AVA Foam Cannon with 0.6 Litre Bottle
70

Specifications

SpecCordless Pressure Washer 21VAVA Foam Cannon with 0.6 Litre Bottle
BrandWZTOAVA of Norway
Price£28.99£19.90
Runtime30 minsN/A
Nozzle Types6-in-1Adjustable
MaterialPlastic/MetalPlastic/Brass

Dimension comparison

Cordless Pressure Washer 21VAVA Foam Cannon with 0.6 Litre Bottle

Overview of the Products

In this comparison, we will look at the Cordless Pressure Washer 21V and the AVA Foam Cannon with 0.6 Litre Bottle. The Cordless Pressure Washer is priced at £28.99, while the AVA Foam Cannon retails for £19.90. Each product serves distinct purposes in the realm of outdoor cleaning, making them suitable for different user needs.

The Cordless Pressure Washer 21V is designed for high-pressure tasks, boasting a maximum pressure of 62 bar (899 PSI) and a versatile cleaning capability across various surfaces like cars and patios. In contrast, the AVA Foam Cannon is an accessory for pressure washers, designed to enhance the cleaning process with its foam application, making it particularly effective for larger surfaces like roofs and walls.

Design and Build Quality

The Cordless Pressure Washer 21V features a lightweight and portable design, making it easy to manoeuvre during use. It weighs less than traditional pressure washers, which enhances its appeal for casual users who require a mobile cleaning solution. The inclusion of a 6-in-1 nozzle adds functionality, allowing for different spray settings.

On the other hand, the AVA Foam Cannon is constructed with a plastic body and a brass nozzle, designed for durability. It includes a 0.6-litre bottle for soap solution, with clear measurement markings for precise mixing. The adjustable spray angle allows for a narrow beam that can reach distances of up to 12 metres, making it suitable for high walls and roofs.

Cleaning Performance

When it comes to cleaning performance, the Cordless Pressure Washer 21V delivers a robust flow rate of 270 litres per hour, providing efficient cleaning for various surfaces. Its self-priming feature allows it to draw water from multiple sources, enhancing its versatility for outdoor tasks.

In comparison, the AVA Foam Cannon operates at a maximum pressure of 160 bars and offers adjustable soap quantity from 0 to approximately 7% in nine different steps. This capability allows users to tailor the foam application according to the cleaning task, making it effective for both delicate and tough cleaning jobs.

Portability and Ease of Use

Portability is a significant advantage of the Cordless Pressure Washer 21V. It comes with two rechargeable lithium batteries, providing up to 30 minutes of runtime and a fast charging time of 2-3 hours. This cordless design eliminates the hassle of power cables, making it ideal for outdoor use where power access may be limited.

Conversely, the AVA Foam Cannon is lightweight at 403 grams, making it easy to handle and attach to compatible pressure washers. However, its portability is somewhat dependent on the pressure washer it is used with. Users will need a compatible device to operate the foam cannon effectively, which may limit its standalone use.

Versatility in Applications

The Cordless Pressure Washer 21V is highly versatile, suitable for cleaning a variety of outdoor surfaces including cars, patios, and garden furniture. Its adjustable nozzle settings enable users to switch between different spray patterns, catering to diverse cleaning needs.

The AVA Foam Cannon, while less versatile as a standalone product, excels in enhancing the cleaning capabilities of pressure washers. Its ability to create thick foam allows for thorough cleaning of larger surfaces, such as house walls and roofs. This makes it a valuable addition for users who already own a pressure washer and seek to improve their washing efficiency.

Battery Life and Power Source

The Cordless Pressure Washer 21V’s battery life is a notable feature, with two batteries included for extended use. This ensures that users can complete their cleaning tasks without frequent interruptions for recharging. The efficient charging time of 2-3 hours means that downtime is minimal, allowing for more effective cleaning sessions.

In contrast, the AVA Foam Cannon does not require a battery, as it operates in conjunction with pressure washers. Its functionality is directly tied to the performance of the connected pressure washer, meaning users need to consider the power source and efficiency of their existing equipment to fully utilise the foam cannon’s capabilities.

Price and Value for Money

The Cordless Pressure Washer 21V is priced at £28.99, which positions it as an affordable option for a standalone pressure washer that offers portability and efficiency for various cleaning tasks. Its multiple features, including the adjustable nozzle and included foam bottle, enhance its overall value.

The AVA Foam Cannon, priced at £19.90, is also an economical choice, especially for those looking to enhance their existing pressure washer setup. Its ability to adjust soap concentration and the range of spray settings provide good value for users who frequently clean larger surfaces.

Which should you buy?

Deciding between the Cordless Pressure Washer 21V and the AVA Foam Cannon largely depends on your specific cleaning needs. If you require a versatile, portable pressure washer that can handle various outdoor tasks, the Cordless Pressure Washer 21V is the superior choice. It offers excellent cleaning power and mobility, making it ideal for users without access to power outlets.

However, if you already own a compatible pressure washer and are looking to improve your cleaning efficiency, the AVA Foam Cannon with its adjustable foam application is a worthwhile investment. Its design is tailored for enhancing cleaning results on larger surfaces, making it a valuable addition to any pressure washing setup. Ultimately, your choice should align with your cleaning requirements and existing equipment.

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Cordless Pressure Washer 21V vs AVA Foam Cannon with 0.6 Litre Bottle | versusfinder