Which tools are compatible with this battery?

This battery works with Dewalt 18V XR and 54V XR Flexvolt cordless tools. Due to size and weight, it is best suited for heavy-duty or stationary machines.

How does switching between 18V and 54V work?

The battery automatically steps up to 54V on XR Flexvolt tools and provides 18V with a 15.0Ah capacity on standard 18V XR tools.

Which charger can be used with the DCB549-XJ?

It is compatible with all Dewalt 18V XR chargers. A fast charger such as the DCB118 is recommended for efficient charging times.

Does the battery include a state of charge indicator?

Yes, it features an integrated LED state of charge indicator allowing you to check remaining battery level easily.

What is the weight of this battery pack?

This 15.0Ah Li-ion battery weighs 2.12 kg.

DEWALT DCB549-XJ 18/54V XR FLEXVOLT battery 15.0Ah

Name: DEWALT DCB549-XJ 18/54V XR FLEXVOLT battery 15.0Ah
Brand: DEWALT
SKU: 03217051
Price: 359.24 EUR
Availability: PreOrder

Supplier number: DEWALT DCB549-XJ | EAN 5035048734995

Recommended Retail Price €412.73

359.24 tax incl.

€296.89 excl. VAT (incl. all environmental contributions)

On order: delivered from 27/10/2026

Ordered before 20:00 - delivered as of 27/10/2026
Free shipping
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

What does this mean exactly?

Free battery, delivered directly: spend a total of €350 excl. VAT on DeWALT products and receive a free XR 18V 5.0Ah battery worth €128.38. This is an exclusive Klium promotion: the battery is automatically added to your shopping cart and delivered together with your order.
Free work light, delivered after registration: if you also purchase a participating product from the DeWALT work light promotion, you will receive a free DeWALT work light, depending on the participating machine.
To receive your free work light, register your purchase after receiving your order via dewalt.be or dewalt.nl.
Klium free battery promotion: valid from 01.10.2026 to 31.12.2026.
DeWALT work light promotion: valid from 01.09.2026 to 31.12.2026.

During DeWALT Power Month, you can combine a free battery from Klium with a free work light from DeWALT.

Extended runtime for heavy-duty tools

Practical benefits

Dual voltage automatic switching: You power both 18V and 54V tools seamlessly with this versatile Dewalt battery system.
Massive energy capacity output: The 15,0AH capacity gives you significantly longer runtime during heavy-duty applications on demanding job sites.
Convenient integrated fuel gauge: You monitor remaining power immediately using the integrated 3-LED battery charge indicator.

In a nutshell

The right choise for

Power your most demanding machines with the Dewalt DCB549-XJ 18/54V xr Flexvolt battery, delivering maximum runtime and relentless power. Thanks to its massive 15.0Ah capacity, you can tackle tough full-day jobs without interruptions to swap or recharge batteries. The battery automatically switches voltage between 18V and 54V, giving you complete flexibility across both 18V xr and 54V xr Flexvolt tools such as table saws and breakers. With the integrated led fuel gauge, you check remaining power at the push of a button, keeping you in full control of your workday.

Product information FAQ

€359.24

tax incl.

Key features according to our expert

Battery voltage: 54 V; 18 V
Battery type: Li-ion
Weight: 2,12 kg
UN number: UN3480
Capacity (battery): 15 Ah; 5 Ah
Product Range: Dewalt XR Flexvolt

Product description

XR FLEXVOLT 15Ah Battery

Features

15.0Ah XR FLEXVOLT Battery
Voltage steps up to 54V to deliver unprecedented power
Compatible with all 18V XR and 54V XR FLEXVOLT tools
Compatible with all 18V XR chargers

All Features

Battery voltage: 54 V; 18 V
Battery type: Li-ion
Weight: 2,12 kg
Un number: UN3480
Capacity (battery): 15 Ah; 5 Ah
Weight: 2,12 kg
Battery chemistry: XR FLEXVOLT
Max. cutting capacity at 45° [rectangular profile]: 18/54 V
Product range: Dewalt XR Flexvolt

Brand DEWALT
03217051
EAN 5035048734995
Supplier number DEWALT DCB549-XJ

Frequently asked questions about this product

Answered by specialists

Which tools are compatible with this battery?: This battery works with Dewalt 18V XR and 54V XR Flexvolt cordless tools. Due to size and weight, it is best suited for heavy-duty or stationary machines.
How does switching between 18V and 54V work?: The battery automatically steps up to 54V on XR Flexvolt tools and provides 18V with a 15.0Ah capacity on standard 18V XR tools.
Which charger can be used with the DCB549-XJ?: It is compatible with all Dewalt 18V XR chargers. A fast charger such as the DCB118 is recommended for efficient charging times.
Does the battery include a state of charge indicator?: Yes, it features an integrated LED state of charge indicator allowing you to check remaining battery level easily.
What is the weight of this battery pack?: This 15.0Ah Li-ion battery weighs 2.12 kg.