DeWalt 20V MAX Lithium-Ion Battery Adapter Kit for 18V Tools

SKU: M242903 DCA2203C
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M242903 DCA2203C

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Add versatility to your tool box with the 20V MAX* to 18V Battery Adapter Kit. This adapter allows you to use select DEWALT® 20V MAX* Lithium Ion slide pack batteries with DEWALT 18V power tools. *Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18.


  • Allows use of 20V MAX* Batteries in most DEWALT 18V Tools
  • Adapter requires the use of 20V MAX* Chargers
  • Adapter will not fit in DEWALT 18V Chargers
  • Do not use with Premium Batteries (DCB200, DCB204, DCB204BT, DCB205) in 18V Compact drills DC970, DC759 (use DCB201, DCB203, DCB203BT)
  • Adapter will not work with 20V/60V FLEXVOLT Batteries

What's in the box

Includes one 18V to 20V MAX* Adapter, two DCB203 20V MAX* XR Lithium Ion Batteries (2.0Ah) and one 12V/20V MAX* Charger.


  • View the Safety Data Sheet (SDS) View the Safety Data Sheet (SDS) Download