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DEWALT 12V MAX 2.0Ah Battery (DCB122) vs DEWALT FlexVolt 9.0Ah Battery (DCB609)

Head-to-head spec comparison to help you pick the right battery for your needs.

DeWalt

$34.9

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vs

DeWalt

$152.49

Buy on Amazon
Deciding between a genuine pack and a cheaper aftermarket one? Read our honest genuine vs aftermarket batteries guide.Read the guide →

Spec Winner

DEWALT FlexVolt 9.0Ah Battery (DCB609)

Wins on 2 of 3 spec categories

Spec-by-Spec Comparison

SpecDEWALT 12V MAX 2.0Ah Battery (DCB122)DEWALT FlexVolt 9.0Ah Battery (DCB609)
Platform12V MAXFlexVolt
Voltage12V MAX20V/60V MAX
Capacity2 Ah9 Ah
Typecompacthigh-output
Genuine OEMYesYes
Fuel GaugeNoNo
Warranty3 years3 years
Price$34.9$152.49
Rating8.3/108.7/10
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Pros & Cons

DEWALT 12V MAX 2.0Ah Battery (DCB122)

Pros

  • Genuine DEWALT pack backed by DEWALT's 3-year warranty
  • Compact 2.0Ah size fits DEWALT's 12V MAX lineup of light-duty tools
  • Lowest price point of any genuine pack in this lineup

Cons

  • Only compatible with 12V MAX tools, not 20V MAX or FlexVolt
  • Limited runtime for anything beyond light-duty use
  • No fuel gauge on this pack

DEWALT FlexVolt 9.0Ah Battery (DCB609)

Pros

  • Genuine DEWALT FlexVolt pack backed by DEWALT's 3-year warranty
  • FlexVolt design auto-switches between 20V and 60V MAX tools
  • High capacity suited to demanding FlexVolt tools like table saws and mowers

Cons

  • Premium price point relative to standard 20V MAX packs
  • More capacity than needed for light-duty 20V MAX tools
  • No fuel gauge readout mentioned for this pack

Our Verdicts

DEWALT 12V MAX 2.0Ah Battery (DCB122)

The DCB122 is the genuine, budget-friendly entry point for DEWALT's 12V MAX platform — right-sized for compact tools, not a fit for the 20V MAX lineup.

DEWALT FlexVolt 9.0Ah Battery (DCB609)

The DCB609 is DEWALT's genuine high-capacity FlexVolt pack — built for the cross-platform 20V/60V lineup, at a real premium over standard 20V MAX batteries.

DEWALT 12V MAX 2.0Ah Battery (DCB122)

$34.9

Buy on Amazon

DEWALT FlexVolt 9.0Ah Battery (DCB609)

$152.49

Buy on Amazon

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