General description This Makita 18V Battery Adapter allows you to use Makita 18V Lithium-ion batteries (BL1815, BL1820, BL1830, BL1850, BL1840, BL1860) with DEWALT 20V MAX cordless power tools. It is designed for durability and versatility, providing a practical solution for extending the runtime of your existing tools. Technical specifications Maximum initial battery voltage: 20 volts (measured with no workload) Nominal voltage: 18 volts Installation Insert the battery into the adapter correctly, following the direction of the arrow. Ensure the safety button of the battery fits correctly on the adapter. Attach the battery adapter to the tool, ensuring the safety button fits correctly, then start using the tool. Usage This adapter allows you to enjoy the benefits of longer runtime provided by lithium-ion batteries on your existing 18V tools. Other information Contents: 1 x USB Battery Adapter for DEWALT 18V/20V MAX Power Tools Note: Manual measurement may allow for a 1-2cm error.