Which tools are compatible with this battery?

This battery is compatible with all tools and machines in the Kärcher 18V Battery Power platform.

How do you monitor the remaining runtime?

Built-in Real Time Technology displays the exact remaining runtime, charge time, and battery level on an LCD screen.

Is this battery protected against water?

Yes, it features an IPX5 rating to protect against water sprays and jets during cleaning jobs.

Can this battery be used on Kärcher 36V machines?

No, this is an 18V battery and fits only tools within Kärcher's 18V platform.

KARCHER HOME&GARDEN 24450340 battery 18V 2.5 Ah

Name: KARCHER HOME&GARDEN 24450340 battery 18V 2.5 Ah
Brand: KARCHER HOME&GARDEN
SKU: 03078822
Price: 57.32 EUR
Availability: InStock

Supplier number: KARCHER HOME&GARDEN 24450340 | EAN 4054278511740

Recommended Retail Price €68.43

57.32 tax incl.

€47.37 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 3 products in stock.

Ordered before 20:00 - delivered as of 03/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

Dependable runtime with the Kärcher 18V 2.5Ah battery

Practical benefits

Clear real-time display: The built-in LCD screen shows you remaining runtime, charging progress, and battery capacity in real time.
Flexible cross-tool compatibility: You can power multiple garden and cleaning tools across the shared 18V system using one power source.
Safe intelligent cell monitoring: Advanced electronics protect the Li-ion cells from overloading, overheating, and deep discharge during heavy jobs.

In a nutshell

The right choise for

With the Kärcher 24450340 18V 2.5Ah Li-ion battery, you enjoy complete cordless freedom for garden maintenance and outdoor cleaning tasks. Built-in Real Time Technology with an lcd screen gives you full control by showing the exact remaining runtime, charging time, and battery capacity in real time. Weighing just 0.5 kg, this compact battery keeps handheld tools light and easy to manoeuvre during extended jobs. Intelligent cell monitoring actively protects against overheating, overloading, and deep discharge, while the IPX5-rated housing provides dependable protection against water jets during wet cleaning tasks. This interchangeable battery powers all tools across the Kärcher 18V Battery Power platform.

Product information FAQ

€57.32

In stock - tax incl.

Key features according to our expert

Battery voltage: 18 V
Battery type: Li-ion
Weight: 0,5 kg
UN number: UN3480
Capacity (battery): 2,5 Ah

Product description

The 18 V / 2.5 Ah Battery Power exchangeable battery with innovative Real Time Technology incl. LCD display for indication of charge level. Suitable for all devices from the 18 V Kärcher battery platform.

Thanks to innovative Real Time Technology, the battery status is visible at a glance: the integrated LCD display shows the remaining time, the remaining charge time and the charge status, depending on the type of device used. The lithium-ion cells guarantee consistent performance and prevent both self-discharge and memory effect (capacity loss due to frequent partial discharge). Pleasant soft-touch housing elements provide a non-slip stand on smooth and sloping surfaces. The 18 V / 2.5 Ah Li-Ion battery is suitable for use in all devices of the Kärcher 18 V battery platform.

Innovative Real Time Technology
1. :The integrated LCD display shows remaining runtime, charging time and charging stage at any time.
18 V Kärcher battery platform
1. :For use with all devices from the Kärcher 18 V battery platform.
1. For use in all devices from the 18 V Kärcher Battery Power+ battery platform.
Powerful lithium-ion cells
1. :The lithium-ion battery ensures constant power without self-discharge and memory effect.
Automatic storage mode
1. :Extends the life of the cells.
IPX 5 rated - protected against water jets from all directions
1. :Reliable protection during jobs involving water.
Efficient temperature management
1. :Top performance thanks to efficient heat buffering and intelligent battery management.
Intelligent cell monitoring
1. :Protects the battery against overload, overheating and deep discharge.
Robust housing
1. :The Kärcher battery housings are extremely shockproof.

Applications

For use in all 18 V devices from the Kärcher battery platform

All Features

Battery voltage: 18 V
Battery type: Li-ion
Weight: 0,5 kg
Un number: UN3480
Capacity (battery): 2,5 Ah
Capacity(ah): 2,5
Energy(wh): 45
Weight (incl. box)(kg): 0,6
Battery platform: 18 V Battery platform
Weight(kg): 0,5
Dimensions (l x w x h)(mm): 133 x 88 x 50
Power type(v): 18

Brand KARCHER HOME&GARDEN
03078822
EAN 4054278511740
Supplier number KARCHER HOME&GARDEN 24450340

Frequently asked questions about this product

Answered by specialists

Which tools are compatible with this battery?: This battery is compatible with all tools and machines in the Kärcher 18V Battery Power platform.
How do you monitor the remaining runtime?: Built-in Real Time Technology displays the exact remaining runtime, charge time, and battery level on an LCD screen.
Is this battery protected against water?: Yes, it features an IPX5 rating to protect against water sprays and jets during cleaning jobs.
What is the weight of this battery?: The battery weighs 0.5 kg.
Can this battery be used on Kärcher 36V machines?: No, this is an 18V battery and fits only tools within Kärcher's 18V platform.