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DEWALT 20V MAX 20V 4Ah Lithium Ion Power Tool Battery Pack with Fuel Indicator (2 Pack) DCB204-2 Discussion

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DEWALT 20V MAX 20V 4Ah Lithium Ion Power Tool Battery Pack with Fuel Indicator (2 Pack)

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DEWALT DEWALT Brand Page
SKU# DCB204-2
3.9 out of 5 Customer Rating
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About this product

DEWALT 20V MAX 20V 4Ah Lithium Ion Power Tool Battery Pack with Fuel Indicator (2 Pack)

Get more done with the DEWALT 20V MAX* XR 4.0Ah Battery Pack. Offering up to 33% more runtime than standard 20V MAX* batteries, it's built for those bigger, tougher jobs that need longer-lasting power. Whether you're drilling, cutting, or fastening, this high-capacity battery keeps your tools running stronger, longer. It’s compatible with every DEWALT 20V MAX* tool, and recharges in just 45 minutes—so you spend less time waiting and more time working. A built-in 3-LED fuel gauge lets you quickly check charge levels, while advanced lithium-ion tech means no memory loss and almost no self-discharge between uses. Lightweight, powerful, and jobsite-ready, this battery is a solid choice for professionals who need performance they can count on.

California Proposition 65 Warning.
View Warning Label

Manuals

MSDS - PDF

Features

Compatible with DEWALT 20V MAX* cordless tools and chargers
Recharges in 1 hour
Manufactured by DEWALT
No memory and virtually no self-discharge allow for maximum productivity
3-year limited warranty with free service contract; 90-day money-back guarantee

Specifications

Brand Name
DEWALT
Amp-hour
4.0
Assembled Depth (in)
6.000
Assembled Weight (lbs)
3.0
Assembled Width (in)
6.700
California Proposition 65 Warning Required
Yes
Charge Time (hrs)
1
Charger Included
No
Color
Yellow
Compatibility
DEWALT 20V MAX* Cordless Tools and Chargers
Country of Origin
China
Length
1 in
Meets ANSI or OSHA Standards
No
Number of Batteries Included
2
Number of Batteries Required
1
Overall Width (in)
6.700 IN
Package Contents
DEWALT 20V MAX* Battery, 4.0-Ah, 2-Pack1X DEWALT 20V MAX* Battery, 4.0-Ah, 2-Pack

Product Condition
New

Rechargeable
Yes
Restrictions
CA Prop 65
Warranty Type
3 Year Limited, 1 Year Free Service, 90 Day Money Back
Weight (lbs)
3.000 LB

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2 Comments

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Roger Borne
2026-03-19T20:19:39.571Z Joined March 2026
I have a two drill combo with 20v 2ah with charger. Will the above 20v 4ah battery pack charge on my current 2ah charger to a full charge.
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Duster Tools
Emblem
2026-03-20T13:40:12.434Z Joined February 2026

Hello. That is a great question. Yes, these batteries will charge to a full charge in your 20V charger. They will take a little longer than your 20V 2Ah batteries, but they will charge to full capacity.

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