DEWALT DCB547
54v & 18v Flexvolt li-ion battery - 3.0Ah/9.0Ah
- XR FLEXVOLT range
- Compatible with all 18V XR and 54V XR FLEXVOLT
- Compatible with all 18V XR chargers
- XR FLEXVOLT range
- Compatible with all 18V XR and 54V XR FLEXVOLT
- Compatible with all 18V XR chargers
- XR FLEXVOLT range
- Compatible with all 18V XR and 54V XR FLEXVOLT
- Compatible with all 18V XR chargers
DCB547
The DCB547 is a 9.0Ah 18V/54V XR FLEXVOLT lithium-ion battery from DeWalt, designed to deliver high power for demanding cordless tools while remaining backward compatible with the 18V XR range. It automatically switches voltage depending on the tool it's connected to — offering extended runtime or increased performance as needed.
Key Features:
• Dual Voltage: 18V (9.0Ah) or 54V (3.0Ah) depending on tool
• XR FLEXVOLT Technology: Powers both 18V XR and 54V FLEXVOLT tools
• High Capacity: 162 Wh energy output for longer runtime
• LED Fuel Gauge: Displays remaining charge at a glance
• Transport Cap: Ensures safe handling and compliance during shipping
• Compatible Chargers: Works with all existing 18V XR chargers
• Supplied As: Bare battery only (no charger or tool)
Technical Specifications:
• Voltage: 18V / 54V
• Capacity: 9.0Ah (18V) / 3.0Ah (54V)
• Weight: Approx. 1.1 kg
• Dimensions (L x W x H): 138 x 87 x 97 mm
• Battery Chemistry: Lithium-ion
• Wh Rating: 162 Wh (without transport cap)
Alternative: DCB548
A 12.0Ah 18V/54V XR FLEXVOLT battery offering even longer runtime — ideal for high-drain tools and extended use on site.
- 9.0Ah 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
- Length: 138mm
- Width: 87mm
- Height: 97mm
- Weight: 1.2kg

- 1 year warranty - for full information click here
- 1 year warranty can be extended to 3 years (on qualifying products) by registering tool online within 30 days of purchase. For full information and to register your tool click here
- Warranty claims all tools except lasers: Please contact Dewalt directly on 03308080719. Dewalt tools under warranty are eligible for free nationwide collection and return
- Warranty claims on Lasers: Please contact the national Dewalt warranty agent, Global Surveyors Group, directly on 01942 896244. Dewalt tools under warranty are eligible for free nationwide collection and return
- Find your nearest service agent - click here
- You can order until 8pm for free next working day delivery to nearly all of England and Wales. For locations further from our hub, our cut off is 5pm. Some harder-to-reach locations may take an extra day. More info »
- For most orders we use a premium carrier that notifies you of a one hour timed delivery slot and sends text updates.
- If you change your mind within 30 days of buying a tool, no problem. Provided the tool has not been used and is in its original packaging, please email us at [email protected] quoting your order number, and we'll reply with your return options.
- If the tool is faulty within 30 days of buying it, we will arrange for its collection at no cost to you and supply a replacement.
- If the tool is faulty after 30 days of buying it, and before the expiry of the manufacturer’s warranty, we will guide you through the manufacturer’s warranty process.



