This replacement battery pack is designed for compatibility with Dewalt 12-Volt Max cordless power tools including screwdrivers, flashlights, cutoff saws, drills, and impact drivers. Each 3000mAh lithium-ion battery delivers reliable performance and works seamlessly with Dewalt models DCB120, DCB121, DCB122, DCB123, DCB124, DCB125, DCB127, DCB100, DCB101, DCB119, DCD700, and DCD710. The batteries feature a convenient one-click connection system for quick installation and removal from compatible tools and chargers. Fast charging technology allows the batteries to reach full capacity in approximately 30 to 60 minutes, with an intelligent monitoring system that tracks battery cell health to optimize charging efficiency and extend battery life. The compact design measures 3.5 by 2.4 by 1.8 inches per battery and weighs just 0.45 pounds, making them easy to handle and store. Constructed with durable ABS and PC materials in a professional black finish, these batteries provide dependable power for your cordless tool projects. This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm under Proposition 65.