# DCA1820 — Power tool battery platform and accessory interface compatibility

For DCA1820, brand is DEWALT; system / platform is 20V; compatible with is Most DEWALT 20V batteries; notes is (Excluding 20V Max), 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 _(our reading, not quoted from the source)_
- **Model no.:** DCA1820 _(verified: appears in the quote below)_
- **Compatible with:** Most DEWALT 20V batteries _(verified: appears in the quote below)_
- **Notes:** (Excluding 20V Max) _(verified: appears in the quote below)_

## What the source says

> Most DEWALT 20V batteries work with DCA1820. (Excluding 20V Max).

## 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/).