The DEWALT Max Lithium-Ion 20V 2AH Battery DCB203 is a reliable power source for your DeWalt 20V power tools, ensuring they stay powered on during your jobsite tasks. This lithium-ion battery is compatible with the complete line of DeWalt 20V MAX tools and accessories, providing versatility and convenience. With a 3-LED fuel gauge system, you can easily monitor the battery's state of charge, allowing you to work efficiently without interruptions.