Battery DeWALT DCB546T2-XJ 6 Ah 54 V

The DeWALT DCB546T2-XJ 6 Ah 54 V is a high-capacity cordless tool battery designed for professional and DIY use. With a nominal voltage of 54 V and a capacity of 6 Ah, it is intended to deliver extended runtime for demanding applications. The pack is compact and portable, measuring approximately 8.5 cm in width and 12.5 cm in depth and weighing about 1.1 kg, making it suitable for mobile jobsite work and extended periods of operation.

Advantages

The XR FLEXVOLT® chemistry in this DeWALT battery automatically switches between 54 V and 18 V, enabling compatibility across XR product lines and providing flexibility for multiple tools. The 6 Ah capacity offers significantly longer runtime compared with standard 18 V packs, reducing the frequency of battery changes. Integrated protection against overheating, overload and deep discharge helps preserve battery health and supports reliable performance over time.

Suitable for

• High-drain cordless power tools requiring 54 V performance
• Users who need longer runtime for continuous or extended tasks
• Worksites where compatibility with both 54 V and 18 V XR tools is advantageous
• Mobile professionals and tradespeople seeking a portable, high-capacity battery

Key specifications

• Nominal voltage: 54 V
• Capacity: 6 Ah
• Chemistry: XR FLEXVOLT® (automatic switching between 54 V and 18 V)
• Protection features: overheat, overload and deep discharge protection
• Typical dimensions (approx.): 8.5 cm width × 12.5 cm depth
• Weight (approx.): 1.1 kg
• Colour: Black and Yellow

How to use

Install the battery into a compatible DeWALT XR tool or charger by aligning the pack with the tool’s battery slot and sliding it into place until it clicks. Use the battery with tools rated for 54 V to obtain full performance; when used with compatible 18 V XR tools, the pack will switch automatically to the appropriate voltage. Follow the tool and charger manufacturer instructions for charging cycles, and ensure the battery is charged using a DeWALT charger compatible with XR FLEXVOLT packs.

Recommendations

Store the battery in a cool, dry place when not in use and avoid exposing it to extreme temperatures. To maximise service life, avoid deep discharge before recharging and use recommended chargers. Inspect the battery regularly for damage and follow DeWALT safety guidelines when charging, storing or disposing of battery units.