The Kärcher KHB Handheld Cordless Pressure Washer is a compact and lightweight 18V cleaning soluti...The Kärcher KHB Handheld Cordless Pressure Washer is a compact and lightweight 18V cleaning solution designed for quick outdoor cleaning tasks around the home and garden. Delivering up to 21 bar of pressure and a maximum flow rate of 170L/h, it is ideal for cleaning bikes, garden furniture, bins and outdoor equipment. The 5-in-1 Multi Jet spray lance allows you to easily switch between spray patterns for different cleaning jobs, while the 5m suction hose enables cleaning without a direct mains water connection. Supplied with a 2.5Ah Kärcher Battery Power battery and charger, this cordless pressure washer provides convenient portable cleaning whenever you need it.
The Kärcher KHB Handheld Cordless Pressure Washer is designed for homeowners seeking a portable and convenient solution for light outdoor cleaning tasks. Its key benefit is the freedom from mains power and water connections, allowing for quick clean-ups of bikes, garden furniture, and bins. A potential caveat is its lower pressure output compared to corded models, making it unsuitable for heavy-duty grime.
All features
Colour
Yellow
Model Part Number
KHB 4-18 PLUS
Brand
Karcher
Options
18-volt exchangeable battery
Extended Product Information
FAQs
What is the maximum pressure of this washer?
The Kärcher KHB Handheld Cordless Pressure Washer delivers up to 21 bar of pressure.
Can I connect this to a garden tap?
While it can be used with a tap, its primary design is for use with a suction hose, allowing it to draw water from buckets or other static water sources without a direct tap connection.
How long does the battery last?
Battery life depends on usage and the specific task. The included 2.5Ah battery provides a practical duration for quick cleaning jobs. For longer use, consider additional or higher capacity 18V batteries.
What is the flow rate?
The maximum flow rate is 170 litres per hour.
Is this suitable for cleaning cars?
It is suitable for light cleaning of cars, such as rinsing off dust or mud from tires and lower body panels. It is not designed for the high-pressure cleaning required for heavily soiled vehicles or to remove baked-on grime.
Can I use different Kärcher batteries with this device?
Yes, it is compatible with Kärcher's 18V Battery Power platform. You can use other Kärcher 18V batteries with this device, and the included battery can be used with other tools in the same range.
How do I clean the suction filter?
The suction filter is located at the end of the suction hose that goes into the water. Carefully remove it, rinse it under running water, and reattach it to the hose.
Troubleshooting
Unit does not turn on
Ensure the battery is fully charged and correctly inserted. Check that the battery contacts are clean.
Low water pressure or no water flow
Verify the suction hose is fully submerged in water. Clean the suction filter for blockages. Ensure the lance is securely attached. Check for kinks in the suction hose.
Battery not charging
Confirm the charger is properly connected to a power outlet. Ensure the battery is correctly seated in the charger. Clean the battery and charger terminals.
Water leaking from connections
Check that the suction hose and lance are securely fastened. Inspect O-rings and seals for damage and replace if necessary.
Pros and Cons
Pros
Highly portable and easy to store.
Does not require a nearby power outlet or water tap.
Versatile with the 5-in-1 spray lance.
Part of a wider 18V battery ecosystem.
Ideal for light, frequent cleaning tasks.
Cons
Lower pressure than traditional corded pressure washers.
Battery life may limit extended cleaning sessions.
Not suitable for deeply ingrained dirt or large areas.
Requires a separate water source (bucket, etc.) if not near a tap.
Setup, Compatibility & Care
Setup:
Ensure the 18V Kärcher Battery Power battery is fully charged.
Insert the charged battery into the designated slot on the pressure washer.
Connect the 5m suction hose to the water intake port.
Place the other end of the suction hose into a water source (e.g., bucket, tank).
Attach the 5-in-1 Multi Jet lance to the spray gun.
Compatibility:
This unit uses Kärcher's 18V Battery Power platform. Batteries and chargers from this range are interchangeable.
The 5m suction hose is designed for drawing water from static sources.
Care:
After each use, disconnect the battery and store it in a dry place.
Rinse the suction filter attached to the hose to prevent clogging.
Wipe down the exterior of the unit with a damp cloth.
Store the pressure washer and accessories in a cool, dry environment, protected from frost.