DCA1820 is a documented adapter. This page identifies its sourced specifications, exact-model restrictions and the next check before use.
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Verified model facts
| Field | Manufacturer-sourced value |
|---|---|
| Manufacturer | DEWALT |
| Exact model | DCA1820 |
| Product type | adapter |
| System | Multiple systems |
| Market | US |
| Adapter function | tool_power_adapter |
- One-way use: approved 20V MAX packs power selected legacy 18V tools. The adapter is not a battery charger.
- Official battery scope is 1.5Ah, 2Ah, 3Ah, 4Ah and 5Ah 20V MAX XR packs; FLEXVOLT and DCB206/DCB208/DCB210 are excluded.
- Premium-pack and individual tool restrictions apply; use the linked support list.
- This accessory has a manufacturer-defined direction and purpose; it is not a universal battery converter.
Amazon model search
Search Amazon listings for the exact printed model. A search result can include other sellers, variants or unrelated items; check the manufacturer model, battery system, safety notices and seller listing before ordering.
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What compatibility data says
- adapter to product — DCB206: incompatible. Manufacturer documentation records this adapter to product relationship.
- adapter to product — DCB208: incompatible. Manufacturer documentation records this adapter to product relationship.
- adapter to product — DCB210: incompatible. Manufacturer documentation records this adapter to product relationship.
- adapter to product — DCB606: incompatible. Manufacturer documentation records this adapter to product relationship.
- adapter to product — DCB609: incompatible. Manufacturer documentation records this adapter to product relationship.
- adapter to product — DCB615: incompatible. Manufacturer documentation records this adapter to product relationship.
Exceptions, source limits and safety
- Check the exact region, revision and current manufacturer instructions.
A missing rating is not zero or universal support. Charger AC input and pack-to-tool use are separate checks.
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Official sources
These source records were reviewed as of 2026-10-30; access methods differ. Open the latest manufacturer manual for your exact type, region and revision before use.
- DEWALT — 18V to 20V AdapterOfficial source identifies model DCA1820 and its product/platform description. · full_page · Checked 2026-10-30
- DEWALT — DCA1820 adapter compatibility support listThe adapter has explicit tool and charger exclusions, fit-only cases and a DCS370 type-number condition. An introductory parenthetical about 20V MAX is internally ambiguous; precise product exclusions and the adapter product page take precedence. · full_page · Checked 2026-10-30
- DEWALT — DEWALT to discontinue 18V NiCad batteriesDC9096 and DC9096S were phased out; DC9180 was already discontinued. DCA1820 is not compatible with DCB206, DCB208, DCB210 or FLEXVOLT packs. · full_page · Checked 2026-10-30
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