FLEX Stacked Lithium Batteries... ARE THEY POWERFUL?!

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FLEX Stacked Lithium Batteries takes advantage of tech that sends it to a whole new level. Pouch cells open up the possibility for more than just a different form factor compared to round cells. Connection tabs open up far greater energy flow, resulting in higher power output and faster charging without producing dangerous levels of heat. To put FLEX's power claims to the test, we used their 3.5Ah, 6Ah, and 10Ah stacked batteries in their 5" angle grinder to cut in rebar, and then made the same cuts using the 5Ah, 8Ah, and 12Ah standard packs. Will the stacked lithium batteries beat out FLEX's existing power? Stay tuned to find out!
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Опубликовано:

5 окт 2024

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Комментарии : 50

@athenanimbuss6826 2 года назад

Thank you for another great review! ❤🙏 I do have a question about the lifetime warranty on the stacked battery. The lifetime covers only for three batteries... is that 3 per registration of each battery .... so if I have a total of five batteries and they all failed. Will Flex replace five batteries maximum 3 times or just three batteries for the account/name on the account?

@Factoryseconds123 2 года назад

I would have used a diamond cutting disc in this test because they don't wear down over 2 cuts.

@ppatters1 2 года назад

I'm more curious about longevity of the new stacked batteries. Historically LiPo chemistry has had far fewer charge cycles than the LMC chemistry used in the cylindrical cells we've been getting in tool batteries.

@builder_for_life4490 2 года назад

Patrick Patterson, yeah well I got me a DeWalt 1.7Ah Power Stack Lithium Ion pouch cell battery powering my DeWalt DCF887 3 speed impact driver and DCD796 Hammer Drill. And I'm beating the tool abusing it in my jobsite, and I dropped my tool 3 times from 8 feet. And the battery is still working so far! No signs of malfunctions, leak or electrical problem, YET!

@TacticalThib 2 года назад

There the same but not the same as your lipo pack you would find in your rc there totally different tho there's been over 10 years of trial and engineering these flex packs claim to have if im not mistaken 300× charge cycle of your regular cylindrical 18650 or 21700 cell 🤔 I own several so only time will tell 😉

@philwort1873 2 года назад

Would be great to see if that improvement carries over to circular saws and impact drills. Do they weigh alot less? More compact is certainly welcome

@TheRJISAWESOME 2 года назад

The weight is about the same as the existing batteries, but the power and performance is much greater. So the 5ah Cilindrical and 6ah Stacked weigh nearly identical, but the 6ah Stacked performs at a much higher level.

@schm147 2 года назад

@@TheRJISAWESOME I don't know if I'd consider a 17% increase to be "much better"

@Jeo-What 2 года назад

Thanks for the review Josh. Nice to see that the new stacked batteries will produce more power at lower Ah while keeping the physical detention smaller at the same time.

@ToolShow 2 года назад

This was awesome! Thanks for taking the time to test the new Stacked Lithium. We were hoping someone would! I would however like to talk to the person who made this chart: 3:07 >.> What on earth is happening there? :)

@inlinesix1187 2 года назад

Milwaukee going to release the Double Smack Stack next. Lol

@twinbee4243 2 года назад

Ain't gonna happen! 🤪 Not unless Milwaukee wanted to get sued by Flex tool company and DeWalt. Only Flex and DeWalt will share on the Stacked lithium battery technology. Screw Milwaukee! Milwaukee got left behind! 🤣🤣🤣

@athannaelanderson3806 2 года назад

Cause everyone wants their batteries to hang past their knees…

@lahirusenanayake7979 2 года назад

are the new batteries got the same footprint as the old once can we interchange new batties with old tools?

@TacticalThib 2 года назад

I have two and love them keep whatever its in running all day strong... seriously and the 3.5 is perfect for the impact its a whole new animal it actually beats my Milwaukee m18 fuel now the saws lights recips drills every tool I have has a lifetime warranty and allows have to do is call and they ship me another asap incredible customer service experience im liking flex more and more

@osek1983 2 года назад

3:06 manipulation on figure, 4:59 its 5 times longer than 4:15 ?? difference is less than minute, and from figure you cane read, it's 3 or 4 timest faster. AND first cut on 3,5 ah stacked is slower than on 5ah standard, so its manipulation? worst cuting disc or something??

@etanjones3692 2 года назад

but how do they compare with dewalt or milwalkee

@patdud1979 2 года назад

Drill test in the future??

@yorselrus1996 2 года назад

Can i use these new batteries with my milwaukee tool with an adapter

@luisinhoens90 2 года назад

no because Flex operated on a higher voltage. That's why there are no adaptors available on the market. However, you can definitely use a Dewalt POWERSTACK battery (same technology) on your Milwaukee with an adaptor

@twinbee4243 2 года назад

@@luisinhoens90 haha! 🤣True!! Not unless you wanna Fry out your Expensive Milwaukee cordless tool. I keep telling to all my fellow contractors in the jobsite. Quit dreaming Milwaukee will never have Stacked lithium battery technology. Not unless Milwaukee wants to get Sued by Flex company for 600 billion dollars. That Flex company have their Stacked lithium battery technology in the US Patent. It is protected. It is regards as Intellectual property. Cannot be imitated and copied without consequences and repercussions. Milwaukee and TTI knows that. What Milwaukee and TTI Ridgid, Ryobi and Hart should do right now is to go back in the drawing board and science lab 🧪🧫🧪🧫 to create their own new battery Flatform, I guess Milwaukee can make partnership with Caterpillar, caterpillar now have Graphene Battery technology. I heard Graphene is much better than any Lithium Ion batteries that exist.

@__________f9433 2 года назад

I feel like this is a useless test. Use a tool like their new circ saw to see the difference. I took with more power draw.

@OUTILSCLIPSQC 2 года назад

These baterie overheated quickly

@1992Coondogg Год назад

The graphs 🤦🏻‍♂️ love flex though 💪🏼

@twinbee4243 2 года назад

No kidding! I have those batteries! Flex 24V 3.5Ah, 6Ah and 10Ah stacked lithium batteries! And my Flex Quick Eject Impact Driver destroyed my cousin's Milwaukee gen3 Fuel impact driver w/ 3.0Ah, 6.0Ah And 8.0Ah high output 21700cell battery. No kidding! Also on my Flex Turbo Hammer Drill, my DeWalt dcd998 FA got beaten, my cousin's Milwaukee gen3 hammer drill w/ 8.0Ah high output battery got beaten too!

@builder_for_life4490 2 года назад

Oh shit! Seriously?! I hearing a lot from Flex fanboys a lot now days especially in my jobsite. Saying that the Flex is a Milwaukee Killer, I even saw my fellow carpenters running the test, my buddy got his Flex quick eject impact driver and the Turbo Hammer Drill a week ago from Lowe's, then he got the Flex's 24V 6.0Ah Stack Lithium Ion pouch cell battery for his impact driver and he challenge the other guy with the Milwaukee gen3 Fuel impact driver with 8.0Ah High output battery 21700 cell. They run some 10" Timberlok screws twice, on pressure treated 4x8 and the Milwaukee got beaten. They also run the test again with 10" long by 1/2" dia lag bolt and 3 times and the Milwaukee got beaten again 3 times Both of them run hot! Shit! I wouldn't run my impact driver in that kind of battery I mean I'm ok and good with 3 or 4Ah battery. I noticed that the more AH battery your tool is running with the hotter the tool gets.

@christophershepherd4399 2 года назад

I go thru 4 battery's to do one job with my flex grinder

@jeremynguyen2346 2 года назад

Is flex tools available

@TheRJISAWESOME 2 года назад

They're available right now only at Lowe's. Lifetime warranty througj this year. The Stacked batteries release in mid-late April.

@dkfkbanderas1 10 месяцев назад

Bought that same combo on Ebay and like a seen from Jason the horror came in in black goo leaking from all batteries. Called Flex and since I bought them online and not Lowes they will not replace them. Problem is that they did not make it public about their horrible battery crisis and they ONLY helped people that would call in so f*&^* everyone else who did not call in because they didn't know about flex replacing the bad batteries. Replacement batteries are very expensive, I just bought be a drill with cord instead for $40.

@corin164 2 года назад

What about the cost?

@twinbee4243 2 года назад

Cost?? Go ask DeWalt! Ask DeWalt how much are they charging for their 60V Flexvolt batteries that are such a scam and BS and only Whistles?? I own DeWalt tools both corded and cordless but I never invested on their Flexvolt batteries.

@schm147 2 года назад

@@twinbee4243 their batteries aren't that expensive, calm down. If you're that broke then go on eBay, you can get a 6ah for 115 or 9ah for 150 there.

@twinbee4243 2 года назад

@@schm147 dude I can get you a power stack battery for free all you gotta do is kiss my ass then you'll get your power stack battery with Flexvolt battery included too. I can afford them, relax! You are more broker than me it seems. but to me they ain't worth it And I never invested on those DeWalt 60V. Now let's go back to Flex. Yup! Flex it's what's next. 😁

@brianf9619 7 месяцев назад

The Stacked Lithium Batteries are Not that much better , Especially for the Price Difference , Just Sayin ... 👍🖖

@interman7715 2 года назад

Wow .430 of a difference in cut speed ,take my money ,just kidding.

@TheRJISAWESOME 2 года назад

It's all about time over hours. A half a second for grinding doesn't seem like much, but after making hundreds of cuts, it adds up. Circ saws, impacts, hammer drills, and rotary hammers will likely benefit the most from this technology

@TheOMEGANOX 2 года назад

Big claims, negligible gains.

@luisinhoens90 2 года назад

Big price also

@dav1d629 2 года назад

Dewalt beat flex to the stacked lithium batteries haha

@tylervalentin9450 2 года назад

Flex’s stacked lithium leaked on vcg’s channel prior to Dewalt announcing the power stack. Interested to see how they “stack” up against each other!

@dav1d629 2 года назад

@@tylervalentin9450 but Dewalt atleast released the PS before flex did, Dewalt cooler lol. How they “stack” up! Good one 👌🦆😂😎

@ferndogg84 2 года назад

Is it a win for dewalt if they only have a 1.7ah on launch? I say Flex is the winner because they brought 3 batteries to market, not just one.

@dav1d629 2 года назад

@@ferndogg84 I guess that makes sense. But still More people like dewalt so I think that the PS was a huge part of the dewalt platform.

@TheRJISAWESOME 2 года назад

Check out the FLEX Faceoff and other influences repeating the same tests they did. DeWalts power stack couldn't even compete in some of the tests, even with M18 batteries. It's a good battery, but it seems like DeWalt may have cut a couple corners to get it out faster.