DeWalt PowerStack vs XR vs Flexvolt Battery Review

In this video we compare DeWalt's 5 amp hr 20 volt PowerStack and XR batteries with each other as well as the 1.7 amp hr PowerStack and 9 amp he Flexvolt batteries. Check it out!
Featured Tool Affiliate Links:
Via Amazon:
5 amp hr Power Stack (2 pack) - amzn.to/3Hqdb8J
1.7 amp hr Power Stack (2 pack) - amzn.to/3Hs1n5R
5 amp hr XR (2 pack) - amzn.to/3OfQfN7
9 amp hr Flexvolt (2 pack) - amzn.to/3HqyAP4
Via Home Depot:
5 amp hr Power Stack (2pack) - homedepot.sjv.io/VmmWnJ
1.7 amp hr Power Stack (2 pack) - homedepot.sjv.io/XYYqgy
5 amp hr XR (2 pack) - homedepot.sjv.io/AWWDrJ
9 amp hr Flexvolt (2 pack) - homedepot.sjv.io/WqqLZO
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#power tools #dewalt #battery

[@tensazero]

I'd just like to point out that flexy9 has built-in gravity assist.

[@sv-et7gq]

Lol

[@Leo-bu3kj]

🤣

[@minhdaubu2363]

Excellent for drilling downward! Let da battery do da work😂

[@Bootchair]

The 15ah makes a good anchor when it goes belly up fyi.

[@PFab]

Also makes a great dumbell

[@user-ii7ru9ep8f]

Fantastic and practical comparison. Thanks for doing this! I've really been figuring out what to do for our heat gun and our big rotary hammer drill. The FlexVolt and PS seem to be the standouts. Very interesting about using Milwaukee batteries on Dewalt tools...never even considered that!

[@kevinmitchell7193]

Amazed at this man's video creation

[@BenL42]

Pouch type LiPo cells (the type the PowerStack use, I believe) can usually deliver more current than cylindrical cells as they have lower internal resistance, due to the cell chemistry and the way the cells are designed. For two batteries of the same energy capacity rating (5Ah, 18/20V in this case), a pouch cell would be able to deliver higher current more efficiently (less energy wasted as heat in the battery, more power delivered to the tool). So when DeWalt claim "twice the power" they presumably are referring to that instantaneous power. For relatively modest loads, e.g. the vacuum, the current (power) delivery is fine for both battery types, so you get the same run time as they both contain the same energy: i.e. 5Ah x 18/20V.

[@toolrev]

No need to overthink it, they claim 50% more power and work and that's what you get. They have a lot of "not in application" caveats etc, but the bottom line is, for whatever reason, you get more work per charge when drilling or sawing.

[@colinwhitehead9661]

Thank you for looking into battery durability. Brilliant to see if the manufacturer has there products correctly labelled 👍😎

[@HnrPram]

Thanks a lot for the test... It's really inspiring and makes me sure to still use my XR 20v 5Ah... Postpone to buy the power stack or flex volt.. 👌🏼😁

[@fohelle1990]

Dewalts should start putting that rubber bottom on all their batteries, I use dewalt 5amp and flexvolt 6 and 9amp, they just seem to work well in most tools

[@pehenry]

Ha. Why would they do that when they can charge essentially twice as much for the PS and the "Oil Resistant" versions. But yeah, I agree, especially for setting tools down that rest on the battery.

[@mattwaters6987]

Great video. Thanks.

[@MrNfury8]

Great video, clearly delivered. Thank you from 🇦🇺👍🍒

[@toolrev]

Cheers!

[@Penguin545]

Those power stacks really shine through in high torque tools that would otherwise stall out with smaller batteries- saws and drills using hole saws specifically. The 1.7 is light too for smaller applications like bandsaws or paired with atomic line tools.

[@maxa3221]

Great vid, all the stuff these days just seems so negligibly similar, particularly if you're low use or homeowner it doesn't matter. If you're in the trades just buy 3 high amp batters and there's not a thing to worry about.

[@BUILTFORDTOUGH79]

Agreed. Most people I hear “fanboying” brands, are homeowners who will never use the tool to its true potential. I honestly believe that 99% of people just have tools that take a specific battery, so they jump on board and that’s it.

[@Surmoka]

I don't know why this channel doesn't have many more subs. This is really cool. Technically decent descriptions and testing approach. This channel is out of the box better than 90% of other review channels on their best day. One addition: the reason why Milfuckee tools run better on Default batteries (or, any battery with a non-matching tool) is because the adapter doesn't have the thermistor pin connected as they have different values for each brand. So, unless the battery shuts itself down to prevent overheating, the tool won't do it.

[@toolrev]

Thanks, yeah supposedly the XC batteries protect themselves on whatever you run them on. That same test with that XC 5 on a Fuel 6.5” saw timed the battery out multiple times before the juice ran down. In this test the XC ran cooler on the Dewalt saw than the XR 5 amp. I doubt the XC runs that much cooler on the dewalt saw so leaning toward Redlink being overly protective. Which raises the question of why it’s not overly protective when used on the Dewalt. And your saying it’s the missing thermistor pin. If that answers that question the next I have is did the Xc shut itself down when the juice ran low to prevent over discharge or did DeWalt’s electronic protection system do it or both/either? For anyone not getting this we’re talking about the clip after the vid running an xc on the dewalt saw. That clip is from an upcoming non scientific method vid on batteries adapters.

[@Surmoka]

@@toolrev I don't know enough about Mi or Dw internals to say if these tools all have battery protection inside, or just rely on the battery to protect itself. That would make an interesting test, i.e. discharge the battery with an external load and see if it shuts off or not. Risky though, the battery may be fried.

[@toolrev]

@@Surmoka we'll do it

[@ericnichols9275]

I run FLEX BATTERIES on DEWALT RIDGID and METABO they really go hard and FAST

[@Surmoka]

@@ericnichols9275so you are essentially overclocking the tools because you are driving them with a higher voltage than designed. Flex batteries have one more cell in series than 18v/20v brands.

[@plainoldme7322]

Wider is a problem with tools that use belt clips,,, not sure if they make different clips to compensate for the wide ones

[@alfonsoguzman1568]

Great video... Justo one question; the 20v has to stay on the charger for 8 hrs each time o just the first time?

[@toolrev]

I wouldn't worry about the 8 hr charge to fully charge each individual cell. There's probably not much difference between that and a regular full charge that takes an hour or whatever. But yeah, apparently there's fully charged and fully-fully charged.

[@Taras-Nabad]

Does the power stack use 18650s or LiPo?

[@upnorth5465]

I'll take the compact power stack all day every day on an impact driver. No need to lug a huge battery all day long. Run time is not hindered because you can have multiple batteries charged and ready to go.

[@gpplacquet]

It’s good for rearranging your toes too

[@discreetwolf2179]

Is the XR battery comparable to a lithium battery? I know nothing about tools and just want to get my man a really good battery. He's brought the dewalt lithiumbatteries up a lot just unsure what would be the better choice. Loved your review and testing. Thank you!

[@Soggy-Soy-Toy]

They’re all lithium ion batteries. Just the new “power stack” batteries use layered lithium pouches (like in your phone). The “older” batteries used cell batteries (like a bigger AA battery you put kids toy).. the new “power stack” batteries have better output wattage. Example 1.7amp power stack battery outputs at a 5amp cell battery level. But the 1.7amp power stack wont last as long because it is a smaller sized battery.

[@davidalford95]

Have you done a video comparing the 60v dewalt circular saw? I have had mine, running 9ah batteries,(very rarely using 6ah) for about 3 years? My makita lxt has become a dust collector.

[@toolrev]

Here's a Flexvolt vs Advantage kzbin.info/www/bejne/hpXKdXmleLidack and a Flexvolt vs Milwaukee kzbin.info/www/bejne/oHPMdH6Lo6d2adk

[@ChickenPermissionOG]

can you use the power stack on the 60v flex tools?

[@toolrev]

No

[@Joethetoolguy]

👍

[@WontSeeReplies]

Cool guy

[@BenJamin-ou7kd]

I use the 20v heat gun to test run time

[@maxpower1797]

Which battery is best for the heat gun?

[@JD-yx7be]

@@maxpower1797 Heat gun draws the same amount no matter the battery. so the biggest ah for longest run time

[@fredymedina2330]

batteries from 2020 they started to have problems i still use the 2018 2019 new models are really bad costumer service is good but i dont wantr to change batteries every 4 months 😔😔

[@SavedByFaithInJesus]

6:27 WHAT????? Milwaukee batts will fit Dewalt tools??? Please explain.... and use small words.... What did I miss? Edit: Thank you for this video. Excellent work. I do appreciate the demos and testing examples. I have All dewalt (been a dewalt guy since the OG 18volt came out back in 1995/96)

[@toolrev]

battery adapters. A dream to some. A NIGHTMARE to OTHERS!

[@toolrev]

Gathering some data for an upcoming adapter vid but here's an article if you're interested - www.toolrev.com/lets-talk-cordless-power-tool-battery-adapters/

[@SavedByFaithInJesus]

@@toolrev TY. Don't have ANY Milwaukee tools, but there are a few we might want for work. this might get us there. Electrician by trade. We meet a lot of other trades that use Milwaukee because of the variety they offer. DeWalt is lacking.... Thanks Again.

[@toolrev]

@@SavedByFaithInJesus you bet 👊

[@lavenderseedandworms]

@@toolrev One of my favorite Excalibur quotes!

[@BUILTFORDTOUGH79]

Can we all just admit that, our fathers tools were inferior to what we’ve been blessed with! Majority of buyers will never use these tools to their true potential in the end. For me, I have DEWALT tools, and a ton of money invested, so I will never switch. I don’t blame Milwaukee, ryobi, makita guys, etc. either.

[@Victor-vj5ds]

Battery tech has really unlocked the power in cordless tools, my flex volt grinder has a peak output of 2,300 watts, the most you get out of a single plug on the wall is 1,500 watts continous, a 9 amp powerstack would reach 3,000 watt output easily.

[@robertcornelius3514]

Does DeWalt guarantee these batteries won't overheat and cause a fire?

[@Victor-vj5ds]

Regular Lithium cells can do that if manufactured wrong.

[@stephencave187]

Twice the number of charges for the powerstack. For a diy'er that could be years before you recoup the extra costs.

[@Freakzter88]

Unless these are for your dayjob I really don't see the price for the PS being justified. Still getting good battery life from the three 4AH 18V that were included in my combo kit in 2013.

[@vaulmoremack3072]

We need flexvolt pouch cells

[@georgedavall9449]

I. M. P. R. E. S. S. I. V. E.

[@davidalford95]

They are wider for stability

[@davidalford95]

Like when you set your drill, oscelator down.

[@toolrev]

ah, that's what they're saying huh. We'll I'd prefer they left it the way it was but whataya gonna do, right? 🤷🏻‍♂

[@davidalford95]

I mean, to each their own I guess. I like being able to set my tools down without worrying so much about messing up my expensive blades/bits.

[@CygnusX-pt1ms]

I don't understand the difference with the power and runtime thing with the power stack vs the xr. The ps is 20v 5ah. The xr is 20v 5ah. They are the same I thought other then the power stack able to live longer and being lighter and more compact

[@jadeolin8514]

Pretty simple honestly..the 5ah powerstack and the 5ah XR have the same/similar runtimes however the powerstack 5 will give the power/punch of an 8-9ah battery, while the 1.7 will punch like the 5ah's without the added weight of them. This is especially helpful in tools with variable power outputs, like impacts, drills and such. They were made primarily for mechanics who need the extra impact punch without having to have the weight of the brick sized flexvolts hanging off them.