Which tools are compatible with this battery?

This battery is compatible with all 18V power tools and garden tools in the Stanley Fatmax V20 range.

Does this battery feature a charge level indicator?

Yes, it features an integrated LED charge indicator so you can easily check the remaining battery runtime.

What are the voltage and capacity ratings of the SFMCB204-XJ?

This lithium-ion battery provides a voltage of 18V and a capacity of 4.0Ah for extended runtimes.

Does this V20 battery suffer from memory effect or self-discharge?

No, lithium-ion technology ensures there is no memory effect and virtually no self-discharge.

STANLEY FATMAX SFMCB204-XJ V20 18V lithium-ion battery 4.0Ah - SFMCB204-XJ

Name: STANLEY FATMAX SFMCB204-XJ V20 18V lithium-ion battery 4.0Ah - SFMCB204-XJ
Brand: STANLEY
SKU: 08154208
Price: 59.52 EUR
Availability: InStock

Supplier number: STANLEY SFMCB204-XJ | EAN 5035048724354

Recommended Retail Price €70.67

59.52 tax incl.

€49.19 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 1 products in stock.

Ordered before 20:00 - delivered as of 12/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

✆ Talk to a specialist

Reliable runtime for cordless tools

Practical benefits

Stanley Fatmax tool compatibility: You power any cordless tool across the entire V20 18V system using one interchangeable battery pack.
Extended runtime on demand: The 4.0Ah capacity provides generous runtime, allowing you to complete heavy-duty jobs with fewer interruptions.
Integrated battery fuel gauge: You easily monitor the remaining charge level at a glance using the built-in charge status indicator.

In a nutshell

The right choise for

With the Stanley Fatmax SFMCB204-XJ V20 18V lithium-ion battery, you bring dependable power and extended runtime to every job. Thanks to the 4.0Ah capacity, you can power through demanding tasks on your tools without frequent interruptions. This 18V battery is fully compatible with all cordless power tools and garden tools across the Stanley Fatmax V20 platform. Advanced lithium-ion technology ensures no memory effect and minimal self-discharge, so your gear is always ready to work when you are. With the integrated led charge status indicator, you easily check the remaining power at a glance and keep full control of your workday.

Product information FAQ

€59.52

In stock - tax incl.

Key features according to our expert

Battery voltage: 18 V
Capacity (battery): 4 Ah
Battery type: Li-ion
Weight: 0,69 kg
UN number: UN3480
Product Range: Stanley Fatmax

Scope of delivery

V20 18V 4.0Ah Lithium Ion battery

Product description

The V20 18V battery is the basis of the new STANLEY FATMAX battery system and is compatible with all V20 garden and power tools. Thanks to its improved technology, this battery is always ready for use. For every craftsman and for every job. Day in, day out.

18V lithium-ion battery with integrated charge indicator
Lithium-ion technology: no self-discharge, always ready to use
Part of the STANLEY FATMAX V20 18V Battery System
V20 batteries can withstand very high and very low ambient temperatures without loss of performance
All batteries are always extensively tested against moisture, vibration, shock and dropping
The batteries are equipped with 18650 cells that deliver high performance. Low internal resistance ensures high current flow and power output

All Features

Battery voltage: 18 V
Capacity (battery): 4 Ah
Battery type: Li-ion
Weight: 0,69 kg
Un number: UN3480
Product range: Stanley Fatmax

Brand STANLEY
08154208
EAN 5035048724354
Supplier number STANLEY SFMCB204-XJ

Frequently asked questions about this product

Answered by specialists

Which tools are compatible with this battery?: This battery is compatible with all 18V power tools and garden tools in the Stanley Fatmax V20 range.
Does this battery feature a charge level indicator?: Yes, it features an integrated LED charge indicator so you can easily check the remaining battery runtime.
What are the voltage and capacity ratings of the SFMCB204-XJ?: This lithium-ion battery provides a voltage of 18V and a capacity of 4.0Ah for extended runtimes.
Does this V20 battery suffer from memory effect or self-discharge?: No, lithium-ion technology ensures there is no memory effect and virtually no self-discharge.