The DEWALT FLEXVOLT® 20V/60V MAX* 9.0Ah Battery Pack delivers powerful performance and incredible versatility for tough jobsite tasks. Thanks to its automatic voltage-switching technology, this dual-voltage battery works with 20V, 60V, and 120V DEWALT tools and chargers, giving you maximum flexibility. Each battery packs 180 watt-hours of energy for longer runtime and consistent power. Built with large lithium-ion cells and patented cooling tech, it stays cooler and runs more efficiently—even during heavy use. The silicone-encased design helps keep dust and debris out, while the built-in LED charge indicator lets you easily monitor battery life. Designed to handle extreme conditions, it performs reliably in temperatures as low as 0°F. Plus, this 2-pack offers added value and keeps you productive on the job.