Kärcher KHB 4-18 Battery-Powered Handheld Pressure Washer, 24 bar, 200 l/h, 18 V, 2.5 Ah Battery and Charger Included

Delivering up to 24 bar of pressure and a 200 l/h flow rate, the Kärcher KHB 4-18 brings cordless convenience to quick cleaning tasks. Powered by an 18 V lithium-ion battery, this handheld pressure washer tackles garden furniture, bicycles, and small surfaces without the hassle of a power cord or garden hose. The included 2.5 Ah battery provides up to 12 minutes of runtime, and the standard charger refuels it in about 70 minutes. With a flat jet nozzle, integrated water filter, and compatibility with both garden hoses and Kärcher suction hoses, it is ready for action wherever you need it.

Overview

The KHB 4-18 is part of Kärcher's Battery Power 18 V platform, meaning the battery works with other Kärcher 18 V tools. Weighing just 1.3 kg without accessories, it is easy to handle and maneuver. The unit features a garden hose adapter (A3/4") for direct connection, or you can use the optional suction hose to draw water from a bucket or container. Its compact design and integrated accessory storage make it a practical choice for balconies, patios, and on-the-go cleaning.

What stands out

• Cordless freedom with 18 V battery power – no mains electricity needed
• Lightweight at 1.3 kg for effortless operation
• Flexible water supply: garden hose or suction hose (optional)
• Integrated water filter protects the pump from debris
• Compatible with all Kärcher Battery Power 18 V batteries

Technical details

• Max pressure: 24 bar (2.4 MPa)
• Max flow rate: 200 l/h
• Battery: 18 V, 2.5 Ah lithium-ion (included)
• Runtime: up to 12 minutes per charge
• Charging time: 44 min to 80%, 70 min to 100%
• Water intake: garden hose connection or Kärcher suction hose
• Nozzle: flat jet
• Sound power level: 85 dB(A)
• Vibration level: 2.5 m/s²
• Scope of delivery: KHB 4-18 unit, 18 V / 2.5 Ah battery, standard charger, flat jet nozzle, integrated water filter, garden hose adapter A3/4"

Our verdict

The Kärcher KHB 4-18 is a handy cordless pressure washer for light-duty cleaning. Its low weight and battery operation make it ideal for quick jobs where dragging a hose or cord is inconvenient. While not a replacement for a full-size pressure washer, it excels at cleaning bikes, outdoor furniture, and small areas with minimal setup.