Power up your DEWALT tools with confidence using the DEWALT 20V MAX 4.0Ah and 5.0Ah Batteries and Charger Combo Kit, a versatile duo designed to deliver long-lasting performance and reliable runtime on the job. Featuring one 4.0Ah battery and one 5.0Ah battery, this combo gives you the flexibility to tackle demanding applications while keeping a spare ready to go. The included charger quickly restores power so you can stay productive with minimal downtime. Built for durability and optimized for maximum efficiency, this kit is the perfect addition to any 20V MAX system, ensuring your tools run stronger and longer throughout every project.