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DEWALT DCB203: battery facts and compatibility

DCB203 is a documented battery in the 20V MAX system. This page identifies its sourced specifications, exact-model restrictions and the next check before use.

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Independent reference. ToolBattery is not a manufacturer or authorized service center. Model revision, region, condition and the latest manual may change the answer. Do not use an unapproved adapter or modified battery.
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Verified model facts

FieldManufacturer-sourced value
ManufacturerDEWALT
Exact modelDCB203
Product typebattery
System20V MAX
MarketUS
Voltage label20V MAX
Capacity2Ah
Chemistrylithium-ion
  • The manufacturer lists 2Ah capacity for this exact pack.
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What compatibility data says

The exact model is documented, but no direct pair statement is loaded. A platform rule may provide a conditional lead; absent evidence stays unknown.

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.

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.

  1. DEWALT — 20V MAX* 2 Ah BatteryOfficial source identifies model DCB203 and its product/platform description. · full_page · Checked 2026-10-30
  2. DEWALT — North America lithium-ion battery product data sheetIdentifies lithium-ion battery model families and FLEXVOLT transport-cap shipping configurations. Shipping-mode watt-hours are not treated as the operating energy of the assembled battery. · pdf_text · Checked 2026-10-30
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