The DEWALT DCA2203C Battery Adapter Combo Kit contents displayed against a white background, including the DCA1820 adapter, two 20V MAX 2.0Ah batteries, and a compact battery charger.
A perspective view of the individual components in the DEWALT 18V to 20V conversion kit, showing the top and bottom connectors of the battery adapter, the compact charger, and two 2.0Ah power packs.
Rear angled view of the DEWALT lithium-ion conversion kit, showcasing the adapter's stem design for 18V tool compatibility and the slide-style 20V MAX battery mounts.
A profile view of the DEWALT DCA1820 adapter attached to a 20V MAX 2.0Ah battery, with labels highlighting the 1/2 lb. lightweight design, seamless fit, and compatibility with most 18V DEWALT tools.
Product image listing the kit contents for the DCA2203C, including one DCA1820 adapter, two DCB203 20V MAX XR 2.0Ah lithium-ion batteries, and one 12V/20V MAX charger.
A close-up view of the DEWALT battery adapter with a text overlay stating that it is not for use with premium DEWALT batteries in DC970 or DC759 tools, nor with 20V/60V FLEXVOLT batteries.
The DEWALT DCA2203C Battery Adapter Kit in its original clear plastic retail clamshell packaging, showing the adapter, charger, and two batteries ready for professional upgrade.
An action shot of a professional using an 18V DEWALT drill-driver with the 20V MAX adapter and battery installed to drive a screw into metal, with a banner stating the system is best used for light fastening applications.
A side view of a DEWALT 18V cordless drill with the 20V MAX battery adapter and a DCB203 battery installed, including a warning label advising users to remove the battery from the adapter when the tool is not in use.
A side view of a DEWALT 18V cordless drill with the 20V MAX battery adapter and a DCB203 battery installed, including a warning label advising users to remove the battery from the adapter when the tool is not in use.
Marketing image of a professional using a converted 18V DEWALT tool, highlighting the advanced lithium-ion technology with no self-discharge for maximum productivity compared to older NiCd battery systems.
DEWALT® FLEXVOLT® The Power of Freedom: Skyscraper promotional video
The DEWALT DCA2203C Battery Adapter Combo Kit contents displayed against a white background, including the DCA1820 adapter, two 20V MAX 2.0Ah batteries, and a compact battery charger.
A perspective view of the individual components in the DEWALT 18V to 20V conversion kit, showing the top and bottom connectors of the battery adapter, the compact charger, and two 2.0Ah power packs.
Rear angled view of the DEWALT lithium-ion conversion kit, showcasing the adapter's stem design for 18V tool compatibility and the slide-style 20V MAX battery mounts.
A profile view of the DEWALT DCA1820 adapter attached to a 20V MAX 2.0Ah battery, with labels highlighting the 1/2 lb. lightweight design, seamless fit, and compatibility with most 18V DEWALT tools.
Product image listing the kit contents for the DCA2203C, including one DCA1820 adapter, two DCB203 20V MAX XR 2.0Ah lithium-ion batteries, and one 12V/20V MAX charger.
A close-up view of the DEWALT battery adapter with a text overlay stating that it is not for use with premium DEWALT batteries in DC970 or DC759 tools, nor with 20V/60V FLEXVOLT batteries.
The DEWALT DCA2203C Battery Adapter Kit in its original clear plastic retail clamshell packaging, showing the adapter, charger, and two batteries ready for professional upgrade.
An action shot of a professional using an 18V DEWALT drill-driver with the 20V MAX adapter and battery installed to drive a screw into metal, with a banner stating the system is best used for light fastening applications.
A side view of a DEWALT 18V cordless drill with the 20V MAX battery adapter and a DCB203 battery installed, including a warning label advising users to remove the battery from the adapter when the tool is not in use.
A side view of a DEWALT 18V cordless drill with the 20V MAX battery adapter and a DCB203 battery installed, including a warning label advising users to remove the battery from the adapter when the tool is not in use.
Marketing image of a professional using a converted 18V DEWALT tool, highlighting the advanced lithium-ion technology with no self-discharge for maximum productivity compared to older NiCd battery systems.
DEWALT® FLEXVOLT® The Power of Freedom: Skyscraper promotional video
DEWALT

DEWALT Battery Adapter Kit DCA2203C 20V to 18V Combo (Two 2.0Ah Lithium Ion Batteries Charger DCA1820 Convert Legacy NiCd Cordless Power Tools)

Only 3 left
SKU: DCA2203C
$224.99 USD

Description

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Modernize Legacy Cordless Equipment and Power Existing Handheld Tools with Advanced Lithium-Ion Cell Technology

The DEWALT DCA2203C 20V to 18V Battery Adapter Combo Kit is an electrical power conversion system engineered to bridge the gap between legacy 18V NiCd cordless tools and modern 20V MAX* slide-style power cells. This high-efficiency adapter kit includes two 2.0Ah lithium-ion batteries and a multi-voltage charger to provide uniform voltage delivery and prolonged runtime parameters across your existing cordless tool fleet. Outfitted with a slimline form factor that preserves original handle balance metrics, this structural charging set allows operators to maintain high site productivity without replacing trusted heavy-duty equipment frames.

Best Used For:

  • Legacy Drill Modernization: Converting older 18V pod-style percussion drills and impact drivers to use lightweight sliding lithium-ion packs for structural fastening.
  • Extended Reciprocating Saw Runs: Supplying continuous, fade-free electrical currents to legacy wood or metal cutting saws during high-volume jobsite demolition phases.
  • Fleet Battery Consolidation: Standardizing diverse jobsite tool setups under a unified premium charging network to eliminate legacy NiCd memory effects and discharge issues.

Key Performance & Safety Features

  • Universal Slide-to-Pod Adaptation: Mechanical transition chassis updates baseline terminal configurations to link sliding power packs with vertical internal pod terminals natively.
  • Dual Compact 2.0Ah Fuel Cells: Two high-density lithium-ion packs deliver strong watt-hour discharge behaviors while scaling down total physical overhead tool burden.
  • Smart System Circuit Protection: Multi-voltage desktop charging cradle automatically tracks state-of-charge limits to prevent thermal degradation and cell imbalance.
  • High-Friction Locking Interface: Rigid structural retention clips wedge firmly into the host handle frame to ensure continuous connectivity under severe tool vibration.
  • Slimline Geometric Silhouette: Compact housing design maintains traditional tool center-of-gravity placements to counter joint strain during overhead usage.

What's Included

  • (1) 18V to 20V MAX* Cordless Power Tool Battery Adapter (DCA1820)
  • (2) DCB203 20V MAX* High-Capacity Lithium-Ion Batteries (2.0Ah)
  • (1) DCB115 12V MAX* / 20V MAX* Multi-Voltage Lithium-Ion Battery Charger

Technical Specifications

Brand Manufacturer: DEWALT
Model Number (SKU): DCA2203C
Product Type Category: Battery Adapter Kit
Conversion Path Platform: 18V NiCd Pod Tool to 20V MAX* Slide Lithium-Ion
Nominal Circuit Voltage: 20V MAX*
Battery Fuel Chemistry: Lithium-Ion (Li-Ion)
Battery Capacity Rating: 2.0 Ah
Total Battery Quantity Included: 2 Batteries
Smart Charging Unit: Yes (12V/20V MAX* Compatible Cradle)
FLEXVOLT® Cross-Parity: No (Incompatible with FLEXVOLT Series)
Optimized Pack Compatibility: Compact Blocks (DCB201, DCB203, DCB203BT)
Overall Package Height: 12.5 in
Total Combined Weight: 3.58 lbs
UPC Barcode Registration: 885911424530
Country of Origin Assembly: China

PRO-TIP: Avoid using high-capacity structural multi-cell or FLEXVOLT batteries inside this system adapter interface. Sticking strictly to compact slide blocks, like the bundled 2.0Ah cells, reduces excessive downward mechanical leverage against the old tool neck and protects the legacy power contacts from structural connection wear.