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  • Product Eligibility: Plan must be purchased with a product or within 30 days of the product purchase. Pre-existing conditions are not covered.
  • Terms & Details: More information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Terms & Conditions will be available in Your Orders on Amazon. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase.
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Asurion Complete Protect: One plan covers all eligible past and future purchases on Amazon

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DEWALT 20V MAX* XR Battery, 4.0-Ah, 2-Pack (DCB204-2)

4.7 4.7 out of 5 stars 21,720 ratings
$111.22 with 5 percent savings $55.61 per Count
Typical price: $116.99

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Battery
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Purchase options and add-ons

Number of Batteries 1 Lithium Ion batteries required. (included)
Brand DEWALT
Battery Cell Composition Lithium Ion
Recommended Uses For Product Power Tool
Unit Count 2.0 Count

About this item

  • DEWALT 20V Battery XR Lithium Ion pack provides up to 33% more capacity than standard 20V MAX* battery packs
  • 3-LED fuel gauge system of DEWALT battery allows immediate feedback on state of charge
  • No memory and virtually no self-discharge for maximum productivity and less downtime
  • Individual pack weights 1.42 lbs allowing user maximum run-time in a lightweight battery
  • Premium XR Lithium Ion pack provides up to 33% longer run-time
  • 3-LED Fuel Gauge System
  • Lightweight design with maximum run time
  • Compatible with the entire Line of DEWALT 20V MAX Tools
› See more product details

Customer ratings by feature

Battery life
4.1 4.1
Longevity
4.1 4.1
Value for money
4.0 4.0
See all reviews

Customers usually keep this item

This product has fewer returns than average compared to similar products.

There is a newer model of this item:

DEWALT 20V MAX* Batteries, Compact, 4.0-Ah, 2-Pack (DCB240-2)
DEWALT 20V MAX* Batteries, Compact, 4.0-Ah, 2-Pack (DCB240-2)
$159.00
(7,231)
In Stock
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Frequently bought together

DEWALT 20V MAX* XR Battery, 4.0-Ah, 2-Pack (DCB204-2)
$111.22 ($55.61/Count)
Get it as soon as Tuesday, May 14
In Stock
Sold by JBTools and ships from Amazon Fulfillment.
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DEWALT 20V Max XR Oscillating Multi-Tool, Variable Speed, Tool Only (DCS356B)
$99.94
Get it as soon as Thursday, May 16
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DEWALT 20V MAX XR Impact Driver, Brushless, 1/4", 3-Speed, Bare Tool Only (DCF845B)
$98.99
In Stock
Ships from and sold by David's Tools.
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From the manufacturer

DEWALT DCB204-2 20V Max Premium XR Li-Ion Battery, 2-Pack

Provides immediate feedback on state of charge with the 3-LED Fuel Gauge System and has a lightweight design for easy transporting.

About DEWALT

DEWALT is a leading manufacturer of industrial power tools and accessories, including corded and cordless drills, saws, hammers, grinders, routers, planers, plate joiners, sanders, lasers, generators, compressors, nailers, saw blades, metal and masonry drill bits, abrasives, screw driving accessories, and more. DEWALT tools can be found nationally and internationally wherever tools are sold. With more than 1,000 factory-owned and authorized locations, DEWALT has one of the most extensive service and repair networks in North America.

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Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Spanish (Mexico) 771770 [PDF 6.88 MB]

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DEWALT 20V MAX* XR Battery, 4.0-Ah, 2-Pack (DCB204-2)

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Product Description

The DCB204-2 20V MAX* XR Lithium Ion 2-Pack provides immediate feedback on state of charge with the 3-LED Fuel Gauge System. DEWALT 20V MAX* battery has a lightweight design for easy transporting.

Top Brand: DEWALT

Highly Rated
100K+ customers rate items from this brand highly
Trending
100K+ orders for this brand in past 3 months
Low Returns
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DEWDYS Replacement Dewalt 20V Battery and for Dyson V7/V8 Battery,2 * 6Ah Battery+Adapter Kit for Dewalt 20V Max XR Battery DCB200 DCB201 DCB204 DCB206 DCB207,and Made Battery Work for Dyson Vacuum Cleaner
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Price-5% $111.22
Typical: $116.99		-24% $104.99
List: $139.00		-52% $95.99
List: $199.00		-65% $52.41
List: $149.00		$149.00$59.99
Delivery
Get it as soon as Tuesday, May 14
Get it as soon as Tuesday, May 14
—
Get it as soon as Monday, May 13
Get it as soon as Monday, May 13
Get it as soon as Tuesday, May 14
Customer Ratings
4.74.7 out of 5 stars21,720
4.64.6 out of 5 stars448
4.54.5 out of 5 stars1,584
4.54.5 out of 5 stars524
4.74.7 out of 5 stars93
5.05.0 out of 5 stars4
Battery life
4.1
4.7
3.5
3.7
4.2
—
Longevity
4.1
4.7
3.7
3.6
4.0
—
Value for money
4.0
4.6
3.5
3.9
3.8
—
Sold By
JBTools
Tool Haven ✅
Industrial Tools
Angelville Trading Company
Amazon.com
TPLS
capacity
4 amp hours
5 amp hours
1.7 amp hours
2 amp hours
3 amp hours
6000 milliamp hours
battery quantity
1 lithium ion, 2 product specific, 2 unknown, 2 nonstandard battery
2 lithium ion, 2 12v
2 lithium ion
1 lithium ion
4 lithium ion
2 lithium ion, 2 lithium ion, 2 lithium ion
voltage
20 volts
12 volts
20 volts
20 volts
20 volts
20 volts of direct current
reusability
✓
Rechargeable
Rechargeable
Rechargeable
—
Rechargeable
compatible devices
Solar
Solar
Dewalt Power Tools
Solar
Solar
Vacuum Cleaner

Important information

Wattage

0 watts

Bulb Voltage

20 volts

Customer reviews

4.7 out of 5 stars
4.7 out of 5
21,720 global ratings

Customers say

Customers like the value, performance, and quality of the battery. They mention that it works well with their Dewalt tools, it's durable and dependable, and lasts longer than others. That said, some complain about the charging issues.

AI-generated from the text of customer reviews

833 customers mention675 positive158 negative

Customers like the quality of the battery. They say it's durable, dependable, and has a long-lasting charge. Some say that the batteries perform flawlessly and have the power to screw for hours.

"Factory made batteries. They work like a charm. Great value" Read more

"...They have superior storage capacity, and integrated circuitry, to control & regulate, high output voltage and current, over heating, and over..." Read more

"...They always take a charge and have Decent run time and even after sitting with no use they are still completely charged ...." Read more

"...The tools and the batteries have performed flawlessly thus far and just work all day without recharging...." Read more

470 customers mention371 positive99 negative

Customers like the value of the batteries. They say they are more than worth the price, and a great starter kit for your Dewalt cordless power tool kit. They also mention that the batteries are light weight and powerful.

"Factory made batteries. They work like a charm. Great value" Read more

"...So to me, thats one hell of a battery!These light weight but powerful batteries also help with daily fatigue!..." Read more

"Very satisfied with the batteries….price was good." Read more

"Good price for two batterysPlus free shipping perfect" Read more

338 customers mention330 positive8 negative

Customers are satisfied with the performance of the battery packs. They mention that they work well with their Dewalt tools, and are impressed with the power and performance. Some say that the batteries are powerful and have no issues with charging.

"Factory made batteries. They work like a charm. Great value" Read more

"...circuitry, to control & regulate, high output voltage and current, over heating, and over charging...." Read more

"...I must say I am impressed by the power and performance of these...." Read more

"These work great, just as they should. I use in a string trimmer and my hand tools." Read more

24 customers mention19 positive5 negative

Customers like the ease of use of the battery. They say it makes the grinder and jigsaw useful, does the job with ease, and is perfect for their drill and impact. Some mention that the battery adds so much to their tools.

"...There is a super easy fix. I believe the problem is that the charger misreads the voltage And says it is charged...." Read more

"Batteries fit well and were easy to use. They hold a good charge." Read more

"...I got these and the difference was immediate. The hammer drill worked better and the cutoff wheel chopped through bolts nice and quickly...." Read more

"...but it is almost as much as the batteries and hard to justify for the average user." Read more

22 customers mention18 positive4 negative

Customers like the fit of the tool. They say it's convenient, fits their hand, and doesn't take up too much room. Some mention it fits all of their DeWalt tools and provides the needed power.

"...They fit nicely in a drill they don't take up too much room but they have the power to screw for hours...." Read more

"...They are convenient and just my size." Read more

"Perfect fit and better price than anywhere else" Read more

"...give me a lick of trouble, they're durable and lightweight and fit my hand...." Read more

36 customers mention19 positive17 negative

Customers are mixed about the size of the battery. Some mention that it's not that big or bulky, while others say it'll add too much weight to their tool.

"...my circular saws because they have the power but yet they're not so bulky and heavy. I love DeWalt cordless power tools! 😍..." Read more

"...Cons: expensive (duh), large/heavy. But for me, I can choose a small pack if need be or this monster and go and go and go. Your mileage may vary." Read more

"I use these for making yard work easier for me. They are convenient and just my size." Read more

"Works well. A bit heavier than smaller ah batteries." Read more

177 customers mention21 positive156 negative

Customers are dissatisfied with the charging of the tools. For example, they mention that the batteries are unable to take a charge, did not charge all the way, and stopped taking charge after only a few months. Some customers also report that the chargers do not charge the batteries.

"...1 battery, but on days where I needed the saw, I noticed the second battery was dead long before the first one had a chance to re-charge...." Read more

"One of the 2 in the pack I bought was unable to take a charge...." Read more

"Doesn’t charge with previous series chargers" Read more

"I ordered a knock off cheap brand and they worked great, BUT WOULD NOT RECHARGE. I will stick with Dewalt brand from now on!!" Read more

Must have!!!! So much better
5 Stars
Must have!!!! So much better
If you a dyson and tired of the battery dying mid vacuuming, get this adapter.I also a good deal on Amazon, 2 pack of a 20volt 5 amp batteries (seen in pic )on Amazon also, best deal I have seen around.
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Top reviews from the United States

Mike c.
5.0 out of 5 stars Great batteries
Reviewed in the United States on March 26, 2024
Style: BatteryVerified Purchase
Factory made batteries. They work like a charm. Great value
Helpful
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DB62
5.0 out of 5 stars Amazing Li-ion Batteries, Powerful & Lightweight!!!
Reviewed in the United States on April 24, 2014
Style: BatteryVerified Purchase
Light weight and Powerful.
So much better than the old NiCd batteries!

These are the 4.0Ah batteries, and not to mention there strengths (associated with Li-ion batteries), they do last for a very, very long time, while under a constant heavy work load.
When I compare the same work I did with a older DeWalt hammer drill and the 18v XRP NiCd battery, with the new  DeWalt DCD995 20V hammer drill , and just 1 of these DCB204 - 4.0Ah "Premium" battery, it's a complete NO contest!
The new Li-ion battery from DeWalt last so much longer, I'm talking a full work day, & more! I just love these Li-ion battery packs!

As said in another review, you can get these packs in varying Ah capacities.
1.5Ah, 2.0Ah, 3.0Ah, 4.0Ah

Before, I would need to change batteries usually twice a day, with the old 18v NiCd batteries and drill.
Now I can work for more than a full day with a single battery. So to me, thats one hell of a battery!

These light weight but powerful batteries also help with daily fatigue! I'm just so use to my old 18v hammer drill and battery weighing so much, and now this new combination of the  DCD995 hammer drill , and the DCB204 - 4.0Ah battery weigh so little, it's really hard to believe you can do so much work with just one of these batteries.
But you can!!!
& they are amazing!

I've been waiting a long time for DeWalt to come out with Li-ion powered tools.
I've been doing rough and finish carpentry for over 35 years, along with custom cabinetry.
This new line of 20V MAX tools they have are all very nice, and both heavy duty, and affordable
Now that they've incorporated Li-ion batteries for power, they will be able to expand there tool line even more.
Even though other companies started using them sooner, I'm glad DeWalt took there time!
It shows in the tools quality build, and there tools performance!

For those of you that are unfamiliar with the advantages of Li-ion chemistry over NiCd & NiMH, please use your favorite search engine, and read for yourselves. There is plenty of good information online for you!

I do see 1 or 2 people complaining about Li-ion batteries not performing as good as the older NiCd batteries, and truthfully, those people have NO facts to back up there statements.

Li-ion batteries are a Very slow self drain, to NO self drain battery, meaning they keep there charge for a very long time! They have superior storage capacity, and integrated circuitry, to control & regulate, high output voltage and current, over heating, and over charging. There is no more memory effect, like there is in NiCd batteries. They are very safe to use (today), with there built in IC's

If these are on par with some of the best Li-ion batteries made today, they should be able to be recharged up to 500 times, and possibly more. I'm not sure what DeWalt says on this.

Though all batteries suffer, when used in cold weather, (lower output & performance), Li-ion batteries still out perform other batteries, in both work load & work time.
In other words, you couldn't ask for a better battery to use out in the cold!
You can find many fact based web sites on this as well.

One last thing, both these new line of 20V MAX tools, and these new line of 20 volt batteries get good reviews and ratings from 99% of buyers, so when you do read one of those unfounded reviews saying these are not good tools, please just do your own homework and fact find for yourself, in the end, you'll be glad you did!

Professional Quality Tools & Batteries, I Highly Recommended!!!
7 people found this helpful
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matt
5.0 out of 5 stars Wow - much power
Reviewed in the United States on February 22, 2024
Style: 5.0Ah Batteries OnlyVerified Purchase
I've only ever used the cheap knock offs and after those started dying on me randomly I decided to bite the bullet and sell my kidney to give these a shot. I must say I am impressed by the power and performance of these. They seem to just handle high draw applications orders of magnitude better than the third party ones. Wish they weren't so damn expensive, but if you need performance and reliability I don't think they can be topped.
3 people found this helpful
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Amazon Customer
5.0 out of 5 stars Years.
Reviewed in the United States on April 10, 2024
Style: 5.0Ah Batteries OnlyVerified Purchase
I have had these batteries now for 5 years with light use. Meaning they got very heavy use this month then nothing the Following month . They always take a charge and have Decent run time and even after sitting with no use they are still completely charged . Very please with this purchase . Just wished i ordered more at that time at yesterday’s prices .
Helpful
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Bernetta Rosati
5.0 out of 5 stars Great for price
Reviewed in the United States on April 10, 2024
Style: 5.0Ah Batteries OnlyVerified Purchase
Exactly what my husband wanted and better
Helpful
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JeffPescador
4.0 out of 5 stars The best of the best
Reviewed in the United States on February 21, 2014
Style: BatteryVerified Purchase
DeWalt 20V battery pack varieties, capacities and runtimes:
Learn from my mistake. Not all batteries are created equal. I needed the DeWalt 20V cordless circular saw and the tool-only option was so much cheaper than the tool with 1 battery and charger, that I was almost able to buy a 20V drill, charger and 2 batteries with the savings, so that's what I did. While shopping for the new 20V drill, I had vaguely noticed slight differences in the sizes and colors of the batteries that came with them and I also noticed large disparity in the prices of various 20V drills. I purchased the cheapest one (it was mostly for the batteries after all) and, in general, thought that both the saw and the drill performed with excellence; however, on jobs where I was using only the drill, I noticed I could go all day on 1 battery, but on days where I needed the saw, I noticed the second battery was dead long before the first one had a chance to re-charge. That is when I started to take notice of the different sizes and colors of the various DeWalt 20V battery packs out there. It wasn't easy to find hard numbers to compare one to another, but I did manage to find what I was looking for by cobbling together information from multiple websites. Here is what I found:

Model Capacity Name Color Size
DCB201 - 1.5Ah - 20V compact - black - thin
DCB200 - 3.0Ah - 20V standard - black - thick
DCB203 - 2.0Ah - 20V XR compact - yellow - thin
DCB204 - 4.0Ah - 20V XR premium - yellow - thick

As you can see from the table, the compact eXtreme Runtime battery gives you 33% more runtime than the compact, the standard 20V gives you 100% more runtime than the compact and the XR premium gives you 266% more runtime than the compact. Purchasing this 2 pack of XR premium nearly tripled my runtime from 3Ah total (2 x 1.5) to 11Ah total (2 x 1.5 + 2 x 4) for both tools. My crew is now capable of running both tools all day without re-charging, but I didn't need the drill and the batteries that came with it weren't getting the job done with the saw. I should have purchased this discounted 2-pack of XR Premium batteries instead of the drill and pocketed some savings.

Price:
All 4 battery varieties are available in 1 and 2-packs. Prices vary and sales happen, so things may change, but at the time of my purchase, the DCB204 2-pack was absolutely the best value for Ah/$ and enabled me to increase the most runtime for the fewest dollars by far and away over the smaller batteries or the XR premium 1-pack.

Size and weight:
The tools and the batteries have performed flawlessly thus far and just work all day without recharging. The only trade offs I have noticed with the DCB204 XR premium batteries is that they are much more suited for the saw than the drill. They are more than twice as heavy as the compact batteries and, for those of you who are familiar with the DeWalt line of 18V batteries, they are only slightly smaller and lighter than those and add considerable heft and imbalance to the drill. The extra weight is only felt when carrying the saw, but not while running it. As a result, we have developed a workaround of using the XR premium batteries on the saw and the compact ones on the drill and that enables both tools to run all day. Lesson learned, just because the batteries are interchangeable, doesn't mean they will accomplish what you set out to do with them. Get the big batteries for your big tools!
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Tech That Really Works!
5.0 out of 5 stars Just what you need
Reviewed in the United States on April 11, 2024
Style: 5.0Ah Batteries OnlyVerified Purchase
everything I needed. Fast shipping, reliability of DeWalt name.
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Chris K
5.0 out of 5 stars Works great!
Reviewed in the United States on March 25, 2024
Style: 5.0Ah Batteries OnlyVerified Purchase
These work great, just as they should. I use in a string trimmer and my hand tools.
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Top reviews from other countries

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Didier S.
5.0 out of 5 stars Buenas Baterias
Reviewed in Mexico on December 4, 2023
Style: 5.0Ah Batteries OnlyVerified Purchase
No se como distinguir si son genuinas o no, pero se ve que si. Las cargue y use en distintas herramientas y si dan la carga que otras que compre con una herramienta en tienda. El tiempo de carga es igual a las otras que tengo. Así que todo bien.
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Merv Hawkins
5.0 out of 5 stars work great !
Reviewed in Canada on January 31, 2023
Verified Purchase
work great !
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Braulio Mares
5.0 out of 5 stars Super baratisimo y un excelente produto.
Reviewed in Mexico on January 6, 2021
Style: BatteryVerified Purchase
Buen producto, el rendimiento es lo que esperaba.
Tiempo de trabajo aceptable, lo utilizo con mi rotomartillo DCD796 y me aumento el tiempo de uso un 300% comparada con una bateria de 2 Ah. Supero mis espectativas, y el precio simplemente el mejor.
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Amazon Customer
5.0 out of 5 stars MUSICTH
Reviewed in Canada on April 28, 2024
Style: 5.0Ah Batteries OnlyVerified Purchase
good size battery for most tools they last and give good power i got 4
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McKade/Shelbie
5.0 out of 5 stars Great product
Reviewed in Canada on January 26, 2023
Verified Purchase
Great product!
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