Karcher KHB 4-18 PLUS 18v Cordless Handheld Pressure Washer 21 Bar

Karcher KHB 4-18 PLUS 18v Cordless Handheld Pressure Washer 21 Bar

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£146.90

RRP: £191.99

1 offer offers at 1 retailer

Retrouvez Karcher KHB 4-18 PLUS 18v Cordless Handheld Pressure Washer 21 Bar au meilleur prix sur Compiral.fr. 1 offres mises a jour en temps reel. Des 139,95 €.

Listed since 6 April 2026

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Description

The KHB 4-18 PLUS is a battery powered pressure washer which can be used independently of both the mains water supply and mains electricity, making it perfect for use in more remote locations. Operating at a medium pressure range, with a maximum flow rate of 170 litres per hour and a maximum bar pressure of 21, the tool comes with a 5 in 1 multi jet nozzle and can be used for more delicate tasks like watering plants as well as for typical pressure washer applications like cleaning garden tools and outdoor furniture. As part of the Karcher 18V Battery Power cordless system, this pressure washer shares battery compatibility with other tools in the range. Additionally, spare batteries are also available if you want to increase the amount of runtime you can get in a single session. Features and Benefits • Battery powered medium pressure washer for cleaning and watering • Part of the Karcher 18V Battery Power cordless system • Shares battery compatibility with other tools in the range • Included suction hose means the pressure washer can be used with unpressurised water sources • Integrated water filter protects the internal components from waterborne contaminants • Versatile 5 in 1 Multi Jet nozzle can be easily adapted to various applications Specifications • Battery Voltage: 18v • Battery Type: Karcher Battery Power (Lithium Ion) • Max Pressure: 21 Bar • Pressure Range: Medium Pressure • Max Water Feed Temperature: 40°C • Max Flow Rate: 170 l/h • Typical Runtime with 2.5ah Battery: 14 mins Contents • KHB 4-18 Cordless Pressure Washer • 5 in 1 Multi Jet Nozzle • Lance • Garden Hose Adaptor (3/4") • Suction Hose • Karcher 18v Battery Power Lithium Ion Battery 2.5ah • Battery Charger (240v UK Mains)

Full specifications

MarqueKarcher Home and Garden
Référence fabricantkhb418plus
EAN4066529078292

Why choose the Karcher KHB 4-18 PLUS 18v Cordless Handheld Pressure Washer 21 Bar in 2026?

When it comes to Pressure Washers, the Karcher KHB 4-18 PLUS 18v Cordless Handheld Pressure Washer 21 Bar by Karcher Home and Garden is a reference that savvy buyers know well. Its value for money in 2026 deserves particular attention, especially given its availability across many retailers and the brand's strength in the market. Our comparison tool lets you view all available offers in real time, with or without free delivery, and click directly on the offer of your choice.

Technical analysis of the Karcher KHB 4-18 PLUS 18v Cordless Handheld Pressure Washer 21 Bar

Among the main strengths of the Karcher KHB 4-18 PLUS 18v Cordless Handheld Pressure Washer 21 Bar, the most notable are its competitive pricing from £146.9 and the recognition of the Karcher Home and Garden brand. Buyers who have already used this type of product in the Pressure Washers category generally highlight the effectiveness of the core functions and ease of maintenance. It is a product that suits both first-time buyers and those replacing existing equipment, with a short learning curve and stable performance over time.

What the tech specs reveal

The Karcher KHB 4-18 PLUS 18v Cordless Handheld Pressure Washer 21 Bar spec sheet details the specifications that make a difference in daily use. For a savvy buyer, this data allows objective comparison with other products in the Pressure Washers category. Karcher Home and Garden publishes precise specifications that make comparison easier and help you make an informed purchase decision. Consult the technical specifications table on this page for full details. The Karcher Extension Lance for K Pressure Washers from the same brand may also interest you for a direct comparison.

In practice day to day

In daily use, the Karcher KHB 4-18 PLUS 18v Cordless Handheld Pressure Washer 21 Bar is designed to fit easily into the regular habits of Pressure Washers users. Karcher Home and Garden has optimised this model for regular use, with accessible features and simplified maintenance. Also check our Lawn Mowers comparison for further suggestions.

Market price ranges in 2026

RangeIndicative price
Entry-levelUnder 2180 £
Mid-range2180 £ to 5100 £
High-endOver 5100 £

Before buying the Karcher KHB 4-18 PLUS 18v Cordless Handheld Pressure Washer 21 Bar, remember to check the total price including delivery costs. On Compiral, sorting by total price lets you immediately identify the best offer among all listed retailers. Comparing return conditions and the warranty period offered by each retailer is also a good habit before finalising your order in the Pressure Washers category.

Frequently asked questions about Karcher KHB 4-18 PLUS 18v Cordless Handheld Pressure Washer 21 Bar

Is the Karcher KHB 4-18 PLUS 18v Cordless Handheld Pressure Washer 21 Bar in stock?

Stock availability for the Karcher KHB 4-18 PLUS 18v Cordless Handheld Pressure Washer 21 Bar is updated in real time on Compiral. Retailers showing "In stock" can usually deliver quickly, often within 2 to 5 working days. If the product is temporarily out of stock at one retailer, check the other offers in our table. Check back regularly as stock levels change frequently in the Pressure Washers category.

Where can I buy the Karcher KHB 4-18 PLUS 18v Cordless Handheld Pressure Washer 21 Bar at the best price?

To buy the Karcher KHB 4-18 PLUS 18v Cordless Handheld Pressure Washer 21 Bar at the best price, compare all available offers in our table at the top of this page. The 1 offer listed include delivery costs to give you the true total cost. Sort by ascending price and filter by free delivery to quickly identify the best deal among our verified partner retailers.

How does the Karcher KHB 4-18 PLUS 18v Cordless Handheld Pressure Washer 21 Bar compare to competitors in the Pressure Washers category?

In the Pressure Washers category, the Karcher KHB 4-18 PLUS 18v Cordless Handheld Pressure Washer 21 Bar occupies a specific market segment. Compared to other available models, it stands out mainly through the balance between its features and its price. To compare objectively, consult the detailed spec sheet on this page and compare specifications with other similar products listed on our comparison tool.

Is the Karcher KHB 4-18 PLUS 18v Cordless Handheld Pressure Washer 21 Bar suitable for beginners?

Yes, the Karcher KHB 4-18 PLUS 18v Cordless Handheld Pressure Washer 21 Bar is generally appreciated by both beginners and regular users of the Pressure Washers category. It is quick to set up and Karcher Home and Garden usually provides clear documentation. If you are new to this product category, consult the spec sheet on this page to identify the key criteria to check before making your choice.

Is there a refurbished version of the Karcher KHB 4-18 PLUS 18v Cordless Handheld Pressure Washer 21 Bar?

Refurbished versions of the Karcher KHB 4-18 PLUS 18v Cordless Handheld Pressure Washer 21 Bar may be available from certain Compiral partner retailers. These refurbished products allow you to save between 20% and 40% compared to the new price while still benefiting from a warranty. Check availability in our offers table and review the warranty conditions offered by the retailer.

Highlights

Highlights

  • The KHB 4-18 PLUS is a battery powered pressure washer which can be used independently of both the mains water supply and mains electricity
  • Operating at a medium pressure range
  • As part of the Karcher 18V Battery Power cordless system
  • Additionally

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