Take advantage of more power using 18V XR tools with FLEXVOLT ADVANTAGE technology. A unique electronic module with pack identification technology enables the tool to recognise when an XR FLEXVOLT battery is attached and unlock even more power. The DCD999 delivers up to 42% more power when paired with a DCB546 XR FLEXVOLT 6Ah battery versus a DCB184 18V XR 5Ah battery. Engineered for speed and durability other features include an all metal 3 speed transmission DEWALT built brushless motor and full metal ratcheting chuck with carbide inserts.

• FLEXVOLT ADVTANGE tool technology: the tool uses intelligent electornics to sense what battery is in the tool and increase power and torque when using FLEXVOLT batteries
• 51% more power when using DCB547 XR FLEXVOLT 9Ah battery compared with DCB184 18V XR 5Ah battery
• 42% more power when using DCB546 XR FLEXVOLT 6Ah battery compared with DCB184 18V XR 5Ah battery