DeWalt DCB240YY 20V MAX Compact 4Ah Lithium-Ion Battery

The DeWalt DCB240YY is a 20V MAX Compact 4Ah Lithium-Ion Battery designed to deliver maximum runtime in a lightweight, ergonomic form factor. As the highest-capacity battery in the DeWalt 20V MAX compact lineup, it provides up to one-third more runtime compared to the DCB230 3Ah compact battery — all within the same compact size and weight.

Built with advanced lithium-ion cell technology, the DCB240YY maintains consistent power output throughout the discharge cycle, keeping your 20V MAX tools performing at their peak from start to finish. Its compact design is especially beneficial for overhead applications and tight-space work where tool maneuverability matters.

Key Features:

• 4Ah / 80Wh capacity for extended runtime on demanding jobsite applications
• Compact form factor — same size and weight as the DCB230 20V MAX 3Ah battery
• Lighter weight than the DCB204 4Ah battery with equivalent capacity
• 3-LED fuel gauge provides at-a-glance state-of-charge visibility
• Compatible with all 20V MAX tools and chargers in the DeWalt system
• 3-year limited warranty for long-term reliability and peace of mind

The DCB240YY is a direct drop-in upgrade for any DeWalt 20V MAX platform user looking to maximize runtime without sacrificing the compact size and balance of their tools. OEM cross-reference: DCB240.