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DEWALT 20V MAX POWERSTACK Lithium Ion Battery 2 Pack (DCBP034-2)

  • Based on 2,457 reviews
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Features

  • 50% More Power** - Tackle tough jobs with 50% more power.
  • Longer Lifespan** - Help maximize longevity day in and day out with these batteries that deliver an increase of charge cycles over the lifetime of the batteries.
  • Compact Size - Work in tight spaces with an ergonomic design that enhances maneuverability without sacrificing power.
  • Resists Wear-And-Tear - Take on the elements with a durable, overmolded base designed to provide a high level of impact resistance.
  • State-Of-Charge - Get quick visibility to your batteries' state-of-charge with the LED indicator to help avoid interruptions.
  • Part Of Our Best Performing Line Of 20V MAX* Batteries - Innovative battery technologies designed to deliver certainty for the worlds toughest pros.

Description

The 20V MAX XR POWERSTACK Compact Battery delivers 50% more power and a longer lifespan. Engineered with pouch cell technology, our best performing 20V MAX compact battery† powers through tough jobs, day in and day out. XR POWERSTACK batteries are a part of our best performing line of 20V MAX batteries† and are compatible with 20V MAX tools.

Specs & Other Info

SpecificationDetails
BrandDEWALT
Battery Count & Type2 Lithium Ion batteries (included)
Usage RecommendationPower Tools
Energy SourceBattery (20 Volts)
Product Weight14.6 ounces
Dimensions (L x W x H)4.1 x 2.5 x 1.7 inches
Package Contents2 DCBP034 20V MAX DEWALT POWERSTACK Batteries
Warranty3 Years Limited, 1 Year Free Service, 90 Day Satisfaction Guarantee
Release DateNovember 1, 2021

Frequently asked questions

DEWALT 20V MAX* POWERSTACK™ Compact Batteries offer a longer run time compared to DEWALT's standard 20V MAX* lithium-ion batteries due to their stacked lithium technology. The exact run time will vary depending on the tool and application, but users can expect a noticeable improvement in performance and duration.

Yes, the DEWALT 20V MAX* POWERSTACK™ Compact Battery is compatible with all DEWALT 20V MAX* tools and chargers. This allows for seamless integration into your existing DEWALT toolkit without the need for additional adapters.

The charge time for the DEWALT 20V MAX* POWERSTACK™ Compact Battery can vary depending on the charger used. However, when using a DEWALT fast charger, you can expect the battery to charge from empty to full in approximately 60 minutes.

The DEWALT 20V MAX* POWERSTACK™ Compact Battery uses a unique stacked lithium technology, which not only makes it significantly lighter and more compact than standard batteries but also provides longer run time and improved performance. This technology is a first of its kind in the DEWALT battery lineup, offering users an advanced solution for portable power.

Top Amazon Reviews

🚀 Abunda's Overview

This is our summary and key points to consider based on customer reviews.


The reviews collectively praise the compact and lightweight design of DeWalt's power tool batteries, emphasizing their remarkable power and efficiency for their size. Customers appreciate the longer lifespan and cooler operation compared to regular batteries, especially in high-demand tools. However, they do note limited runtime compared to larger batteries and a higher price point as minor drawbacks.

Pros

  • 🔋 Super light and powerful for their size
  • 🕒 Holds a charge longer than aftermarket alternatives
  • 🔨 Exceptional performance in high discharge applications like hammer drilling
  • 🌡️ Stays cool under heavy use
  • ➖ Compact size saves on space without compromising on power

Cons

  • ⏳ Limited runtime for full-day projects
  • 💸 Higher price point than some alternatives
  • 🔄 Some incidents of needing replacement due to faulty units

Should I Buy It?

If you're looking for high-performance, compact batteries for your power tools and don't mind paying a bit extra for quality, these DeWalt batteries are a solid investment. They're especially recommended for heavy-duty tasks that require a lot of power in a short period. However, if you plan to use them for all-day projects regularly, you might want to consider backup options due to their limited runtime.


  • Very good 20V battery.
Excellent, longer lasting, lighter and lower DeWalt batteries. I am a home owner, so have no idea how these would hold up for a tradesman, but they work really well for my use and charge quickly.
Reviewed in the United States on October 1, 2025 by George Felder III

  • Dynamite comes in small packages
These little guys are great. Super light and stupid powerful. Not a lot of run time, but what could one really expect from a smaller amperage. Great product at a reasonable price point. A solid reminder of why I buy DeWalt tools.
Reviewed in the United States on March 17, 2024 by Eric Swanson

  • Small but powerful
Really like theese battery packs where a small pack is needed.
Reviewed in the United States on November 20, 2025 by Thomas Smithwick

  • Dewalt tools
Works well, charges way quicker than the 4ah regular Dewalt ones got with dcf899 impact and few other tools a while back. Also seems to last longer especially the bigger battery seems to like the new dcf961 impact and leaf blowers or big drills a lot compared to old 4ah one. Have no issues on fitment and seems be doing a lot better since I've gotten these ... show more
Reviewed in the United States on October 3, 2025 by Zack

  • Ok, but thought the run time would be a bit longer
As a delwalt nut with over a dozen cordless power tools, My array of batteries are pretty vast. The traditional dewalt 20v batteries of this size are obviously limited in the scope of work they can do and these are no different. I was expecting a bit more run time compared to the basic 2ah ones I have however. They certainly do work longer but not to a great deal longer. I'd still buy them again but don't be lead to believe they are night and day better. ... show more
Reviewed in the United States on July 24, 2025 by Winter

  • Just right from my use
Lightweight plenty of power on my drill spend most of the day before change the battery putting in eye lags for suspended ceilings. Wish they made one of these in the 12 volt size for my impact driver.
Reviewed in the United States on November 14, 2025 by Amazon Customer

  • Dewalt is great
Good batteries Dewalt is a fine product
Reviewed in the United States on December 1, 2025 by Raymond E. Wynne Jr

  • Battery life is not great for tough jobs.
Nice and compact, sleek looking battery. While I’m sure it’s good for everyday use, it doesn’t last as long as I was expecting it. Fully charged, I used it on a reciprocating saw to cut 1 tire in half and half way through the battery is already at 1 bar! Talk about crap. It’s a tough cut but i was hoping for more life out of this. ... show more
Reviewed in the United States on April 10, 2025 by Annarcus

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