Get the most out of your DEWALT® 20V MAX* and 60V MAX* tools with the 20v/60V MAX* flexvolt 12ah† battery. Featuring advanced technology, this battery delivers 50% more power* and a 50% longer lifespan†† helping you tackle big jobs and long days. Designed to automatically switch voltages when you change your tool, our most versatile battery system helps maximize the performance of your DEWALT® 20V MAX* and 60V MAX* tools.