DeWalt 18V-20V Battery Adapter

The DeWalt 18V-20V Battery Adapter DCA1820 is designed to extend the life of your existing 18V DeWalt cordless tools by allowing them to operate with modern 20V MAX lithium-ion batteries. The DeWalt DCA1820 battery adapter provides a cost-effective solution for users transitioning from older stem-style 18V tools to the 20V MAX battery platform. Built with integrated battery protection circuitry, the adapter helps maintain safe operation while delivering enhanced runtime and performance. The DCA1820 18V to 20V adapter is compatible with most DeWalt 18V tools and supports select 20V MAX XR batteries, making it an essential upgrade for professional contractors and DIY users.

• Upgrade Older Tools



Allows most 18V DeWalt tools to use newer 20V MAX batteries.



• Extended Runtime



Enables longer operating time with modern lithium-ion battery technology.



• Cost-Effective Solution



Helps avoid replacing an entire collection of 18V tools.



• Integrated Protection



Includes circuitry designed to support battery protection in older tools.



• Easy Installation



Quickly attaches between compatible batteries and tools.