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header-product Karcher Battery Power 18/25 Lithium-Ion Battery 18V 2.5Ah
61.49 €

Karcher Battery Power 18/25 Lithium-Ion Battery 18V 2.5Ah

Karcher Battery Power 18/25 18V 2.5Ah Lithium-Ion Battery Photo 1
Karcher Battery Power 18/25 18V 2.5Ah Lithium-Ion Battery Photo 2
Karcher Battery Power 18/25 18V 2.5Ah Lithium-Ion Battery Photo 1
Karcher Battery Power 18/25 18V 2.5Ah Lithium-Ion Battery Photo 2

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Karcher Battery Power 18/25 Lithium-Ion Battery 18V 2.5Ah

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Short description

The Karcher Battery Power 18/25 is a high-performance 18V lithium-ion battery with a 2.5Ah capacity. Designed for use with Karcher 18V cordless power tools, this battery features integrated LCD display technology to show remaining runtime, charging time, and state of charge. Its robust design ensures reliable power delivery and long-lasting performance for various cleaning and garden maintenance tasks.
Available at price 61.49 €: 10 pcs.
Total available for order: 132 pcs.
Warranty: 2 Years
SKU: 1918261
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.99 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
29.09.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
02.10.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.62 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / DPD Paku skapis / Omniva LV / Latvijas Pasts pakomāts / Latvijas Pasts nodaļa
02.10.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.99 €
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Payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay
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Product information

Description

The Kärcher 18 V / 2.5 Ah Battery Power exchangeable battery provides reliable and consistent power for a wide range of cordless tools. Featuring innovative Real Time Technology, the integrated LCD display allows users to monitor the remaining runtime, charging time, and current charge level at a glance. Built with high-quality lithium-ion cells, this battery ensures stable performance while effectively preventing self-discharge and the memory effect, which can otherwise lead to capacity loss over time.

Advantages

This battery offers exceptional durability and safety through intelligent cell monitoring, which protects the unit against overloading, overheating, and deep discharge. The inclusion of an automatic storage mode helps extend the overall lifetime of the battery cells. Designed for demanding environments, the casing is highly shock-resistant and features an IPX5 rating, ensuring reliable protection against water jets from all directions. Furthermore, the efficient temperature management system ensures top performance during operation by optimizing heat buffering.

Suitable for

  • Powering all devices within the Kärcher 18 V Battery Power platform
  • Powering all devices within the Kärcher 18 V Battery Power+ platform
  • Outdoor cleaning and maintenance tasks requiring cordless mobility

When it may not be suitable

This battery is specifically designed for the Kärcher 18 V battery platform and is not compatible with tools from other manufacturers or Kärcher devices that require a different voltage class. It may not be suitable for heavy-duty industrial applications that require significantly higher capacity or continuous runtime beyond what a 2.5 Ah battery can provide.

Key specifications

  • Battery platform: 18 V
  • Battery type: Lithium-ion
  • Voltage: 18 V
  • Capacity: 2.5 Ah
  • Energy: 45 Wh
  • Weight: 0.5 kg
  • Dimensions: 133 x 88 x 50 mm

How to use

To use the battery, simply slide it into the designated slot on your compatible Kärcher 18 V cordless device until it clicks securely into place. You can check the current status at any time by observing the integrated LCD screen. When the charge is depleted, remove the battery and connect it to a compatible Kärcher 18 V charger. Ensure the battery is stored in a cool, dry place when not in use to maintain its longevity.

What to consider before purchase

  • Verify that your Kärcher device is part of the 18 V Battery Power or Battery Power+ platform.
  • Consider the runtime requirements of your specific tasks to ensure a 2.5 Ah capacity is sufficient.
  • Ensure you have a compatible Kärcher 18 V battery charger available.

Usage recommendations

For optimal battery health, avoid storing the battery in extreme temperatures and utilize the automatic storage mode during periods of inactivity to preserve cell integrity.
All features
Battery technology: The type of battery in the device, e.g. nickel–cadmium (NiCd).
Lithium-Ion (Li-Ion)
Product colour: The colour e.g. red, blue, green, black, white.
Black, Yellow
Battery weight: Indicates the weight of the battery.
500 g
Battery voltage: The voltage (V) of the battery.
18 V
Brand compatibility: What other brands this brand can be used with.
Kärcher
Number of batteries included: The quantity of batteries that come with the product.
1 pc(s)
Battery capacity: The amount of electric charge a battery can deliver at the rated voltage. The more electrode material contained in the cell the greater its capacity. A small cell has less capacity than a larger cell with the same chemistry, although they develop the same open-circuit voltage. Capacity is measured in units such as amp-hour (A·h).
2.4 Ah
Product type: The sub-category of the product.
Baterija
Battery width:
88 mm
Battery depth:
133 mm
Battery height:
50 mm

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Product comparison

Comparing the Karcher Battery Power 18/25 Lithium-Ion Battery 18V 2.5Ah with alternative solutions helps you understand which device best fits your requirements. All compared products belong to the category of rechargeable batteries and chargers for cordless equipment, but they differ in capacity, bundled accessories, and brand compatibility. The primary difference is that the reviewed model is a lightweight, standalone battery of standard capacity without a charger, whereas alternatives offer larger capacities, complete starter kits with chargers, or compatibility with different tool brands.

⚙️ Comparison of technical specifications and features of the evaluated devices.

ParameterKarcher Battery Power 18/25 Lithium-Ion Battery 18V 2.5AhKarcher Battery Power 18/50 Lithium-Ion Battery 18V 5.0AhKarcher Starter Kit Battery Power 18/50, 18V 5.0Ah Battery and ChargerKarcher Power 18 V 2.5 Ah Battery and Charger Starter KitCordless power tool battery Makita W107413340 18V Lithium-IonBattery & charger set Karcher Starter kit Battery Power 36/25 — 36 V, 2500 mAh, yellowPractical significance
Voltage18V18V18V18V18V36VVoltage determines compatibility with specific tool lines. 18V models suit light Karcher and Makita equipment, while 36V requires high-power Karcher vacuums.
Capacity2.5Ah5.0Ah5.0Ah2.5AhNot specified2500 mAh (2.5Ah)Higher capacity (5.0Ah) provides longer runtime without recharging, while 2.5Ah is lighter and charges faster.
Kit contentsBattery onlyBattery onlyBattery and fast chargerBattery and fast chargerBattery onlyBattery and chargerHaving a charger included removes the need to buy one separately, which is convenient for new users.
Display technologyLCD screen with Real Time TechnologyLCD screen with Real Time TechnologyLCD screen with Real Time TechnologyLCD screen with Real Time TechnologyNoneNoneReal Time Technology allows precise monitoring of remaining runtime and charge status during operation.
Brand and compatibilityKarcher (18V)Karcher (18V)Karcher (18V)Karcher (18V)Makita (18V)Karcher (36V)Karcher batteries are incompatible with Makita tools, so selection depends on your existing equipment lineup.

◎ Evaluation of usage scenarios and suitable options for different needs.

Use caseRecommended productWhy
Light home and garden tasks with an existing charger availableKarcher Battery Power 18/25 Lithium-Ion Battery 18V 2.5AhA lightweight battery is optimal for short tasks and keeps tool weight to a minimum.
Extended cleaning and heavy garden maintenance workKarcher Battery Power 18/50 Lithium-Ion Battery 18V 5.0AhIncreased capacity reduces the frequency of recharging interruptions during intensive use.
First-time adoption of Karcher 18V cordless equipmentKarcher Starter Kit Battery Power 18/50, 18V 5.0Ah Battery and Charger or Karcher Power 18 V 2.5 Ah Battery and Charger Starter KitThe ready-to-use set includes everything needed to get started, including a compatible charger.
Usage with Makita cordless toolsCordless power tool battery Makita W107413340 18V Lithium-IonProvides direct compatibility with the Makita brand ecosystem for construction and repair tasks.
Operation with high-power 36V series Karcher vacuum cleanersBattery & charger set Karcher Starter kit Battery Power 36/25 — 36 V, 2500 mAh, yellowHigh voltage is required for high-performance cleaning devices of the corresponding class.
The Karcher Battery Power 18/25 Lithium-Ion Battery 18V 2.5Ah differs from higher-capacity or bundled options by offering a lighter standard capacity and no included charger, and from other brands by ensuring full compatibility with the Karcher 18V ecosystem. It is most suitable for users who need a lightweight secondary power source for brief tasks and already own a compatible charger, whereas new users or those undertaking larger projects should opt for bundled kits or higher-capacity batteries.
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Stock data
Warehouse Stock Delivery to the store Store Price
WH334 10 29.09.2026
61.49 € Best price
WH336 99 22.09.2026 Best delivery
61.49 €
WH155 3 29.09.2026
63.49 €
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Available only for legal entities
Warehouse Stock Delivery to the store Store Price
WH109 10 13.10.2026
83.99 €
61.49 €
Stock: 10
Delivery Date: 29.09.2026
Warehouse: WH334
61.49 €
Stock: 99
Delivery Date: 22.09.2026 Best delivery
Warehouse: WH336
63.49 €
Stock: 3
Delivery Date: 29.09.2026
Warehouse: WH155
70.99 €
Stock: 10
Delivery Date: 24.09.2026
Warehouse: WH337
Available only for legal entities
83.99 €
Stock: 10
Delivery Date: 13.10.2026
Warehouse: WH109

Customer reviews

Customer questions

FAQ

How much does the Karcher Battery Power 18/25 18V 2.5Ah Lithium-Ion Battery cost, and is it available for purchase?

The price is 61.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 132 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 29.09.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Karcher products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Karcher service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

Where can I download the instructions for Karcher Battery Power 18/25 18V 2.5Ah Lithium-Ion Battery?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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