The Kärcher CNS 18-30 Battery cordless chainsaw is very light and has an ideal bar length, making it the perfect choice for comfortable and versatile use in tree care. The high chain speed helps to make the work fast and effortless. The chain tensioning system and automatic chain lubrication make the cordless chainsaw very easy to operate. The combination of chain brake and double release makes it particularly safe. The scope of delivery includes the device, bar, chain, bar guard, shoulder strap and oil container.

FEATURES AND BENEFITS
Easy chain tensioning at the push of a button.
The chain is automatically lubricated (oiled) - ensuring that the cordless chainsaw requires little maintenance.
Kickback protection - the chain stops instantly - for maximum safety in the event of kickback.
Claw stop - safe guidance and precise cutting by resting the chain saw against the wood.
First-class speed - chain speed 10 m/s - for fast cutting progress.
A versatile sword with a length of 30 centimeters.
Safety lock - prevents accidental starting of the chain saw.
Transparent oil tank - the oil level can be checked at any time through the transparent inspection window.
Brushless motor - for longer operating time and longer device life.
18 V Kärcher cordless battery - real-time technology with LCD display on the battery shows remaining operating time, battery life and battery capacity.
Durability and performance are provided by lithium-ion cells.
The removable battery can be used in other devices of the Kärcher 18 V Battery Power platform.

Technical data
Battery-powered device
Battery platform Battery platform 18 V
Guide (cm) 30
Chain speed (m/s) 10
Tooth spacing 3/8" LP
Drive link thickness 0.043"
Number of joints 45
Oil tank capacity (ml) 200
Guaranteed sound intensity level (dB(A)) 101
Front handle vibration values (K=1.5 m/s2) (m/s2) 3.5
Vibration values rear handle (K = 1.5 m / s2) (m/s2) 5.2
Drive Brushless motor
Voltage (V) 18
Performance with full battery * (Cuts) max. 35 (2.5 Ah) / max. 70 (5.0 Ah)
Operating time with full battery (min) max. 10 (2.5 Ah) / max. 20 (5.0 Ah)
Weight without accessories (Kg) 3.44
Weight including packaging (Kg) 5.56
Dimensions (L x W x H) (mm) 690 x 230 x 245
* Branch diameter: 10 cm

Scope of delivery
Option: Battery and charger not included
Guide
Saw chain
Oil container

Equipment
Chain protection
Tool-free chain tensioning
The chain is automatically lubricated (oiled).
Chain brake
Oil level display

Same summary

The Karcher CNS 18-30 Battery cordless chainsaw is designed for everyday tasks around the house, such as pruning fruit trees, shrubs and regular maintenance of less demanding garden areas. With a medium-long bar, it provides a good balance between efficiency and maneuverability, which is especially useful if the work often requires precision or working in tight spaces. Due to the 18 V battery voltage, it will be suitable mainly for occasional and medium-demanding tasks, but with more frequent use or cutting thicker wood, users may experience limitations in performance.

Recommendation source: Enaa guides and team experience.

User view

This cordless chainsaw is most often chosen by garden, house and weekend home owners looking for a practical solution for seasonal pruning or preparing small amounts of firewood. It is particularly suitable for users who want a quickly accessible, cordless tool that is easy to handle even if they do not use the saw every week. Due to its compact dimensions, it is also suitable for less experienced users who value safety and ease of use.

When choosing a battery-powered saw, trust in the brand is often a deciding factor. Many users appreciate that the Kärcher brand offers a reliable ecosystem of devices and components for gardening tasks, which makes it easier to use the tools in the long term and to supplement them as needed.

Why buy at Enaa

When buying a cordless chainsaw at Enaa, you can always count on professional support in your selection and easy access to a wide range of accessories from different categories. The clear online interface allows you to quickly compare similar models according to bar length and battery voltage, making it easier to make a decision based on your actual needs.

Answers to frequently asked questions

Is this chainsaw suitable for cutting thicker logs?

A saw with a 201–300 mm long bar and 18 V voltage mainly allows for pruning branches and smaller cuts, but performance limitations may occur with thicker trunks.

What should I consider if the saw does not come with a battery?

If the saw does not come with a battery, it is recommended to check compatibility with the existing battery platform or purchase a suitable battery of the same brand to ensure that the tool will function properly.

How difficult is it to maintain a cordless chainsaw?

Maintenance is simple: the chain should be cleaned regularly, sharpened and lubricated occasionally. It is advisable to monitor the chain tension and take care of the battery according to the manufacturer's recommendations.

Is the saw suitable for less experienced users?

Yes, due to its ease of use and lower overall weight, it is also suitable for those who do not have much experience with chainsaws, but safety instructions should always be followed for safe work.

Description updated: April 2026