# DCA1820 — Power tool battery platform and accessory interface compatibility

For DCA1820, brand is DEWALT; system / platform is 20V premium; not compatible with is DEWALT 20V premium batteries (DCB200, DCB204, DCB204BT, DCB205, or more than 4 AH Batteries ) in 18-Volt compact drills DC970, DC759; notes is (instead, use DCB201, DCB203, DCB203BT or up to 3.0 AH Batteries), recorded from its source on 2026-08-11.

- **Item:** DCA1820 _(verified: appears in the quote below)_
- **Brand:** DEWALT _(our reading, not quoted from the source)_
- **System / platform:** 20V premium _(our reading, not quoted from the source)_
- **Model no.:** DCA1820 _(verified: appears in the quote below)_
- **Not compatible with:** DEWALT 20V premium batteries (DCB200, DCB204, DCB204BT, DCB205, or more than 4 AH Batteries ) in 18-Volt compact drills DC970, DC759 _(verified: appears in the quote below)_
- **Notes:** (instead, use DCB201, DCB203, DCB203BT or up to 3.0 AH Batteries) _(verified: appears in the quote below)_

## What the source says

> DCA1820 should not be used with DEWALT 20V premium batteries (DCB200, DCB204, DCB204BT, DCB205, or more than 4 AH Batteries ) in 18-Volt compact drills DC970, DC759 (instead, use DCB201, DCB203, DCB203BT or up to 3.0 AH Batteries).

## Source

- https://support.dewalt.com/hc/en-us/articles/360014537137-18v-Adapter-DCA1820-Compatibility-information

Last verified: 2026-08-11. Review by: 2027-08-11.
Part of [Power tool battery platform and accessory interface compatibility](https://referencesource.org/power-tool-battery-compatibility/).