How To Double Cordless Power Tool Battery Capacity From 3Ah to 6Ah

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In this video I’ll show you how to double your cordless power tool battery capacity by changing old 18650 cells with new Sony VTC6 cells and spot weld them with my new Arduino spot welder.
Arduino spot welder I got from www.malectrics.eu
Malectrics Arduino spot welder review: goo.gl/HDDeqP
Genuine Sony VTC6 cells at www.GearBest.com:
2 pcs - goo.gl/2TyRsB
4 pcs - goo.gl/GeqJTX
8 pcs - goo.gl/WfYuXB
iMax B6 AC V2 charger - bit.ly/2PGwxMF
You could support me and my content creation by buying Well Done Tips official outfit: teespring.com/welldonetips
Due to factors beyond the control of WellDoneTips, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. WellDoneTips assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. WellDoneTips recommends safe practices when working with the tools or equipment seen or implied in this video. Due to factors beyond the control of WellDoneTips, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not WellDoneTips.

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28 дек 2017

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Комментарии : 248

@jeroendullers4961 2 года назад

This battery reconditioning program exceeded my presumptions. It worked on any drill battery, several AA and AAA batteries batery.repair and any camera battery. The steps are simple and the act itself is exciting to do. No matter what type of battery you`ve got, it is sure to function again!

@homicidal85 5 лет назад

that spot welder looks amazing

@KBBAKTHA 6 лет назад

Excellent build video has become your hallmark. Happy new year. Thanks

@DavidFMayerPhD 5 лет назад

You make it look so EASY, and I know from experience that this kind of operation is NOT easy.

@saxon215 6 лет назад

As always informative and well documented as well as concise keep up the good work

@TheMarcball 6 лет назад

very good video, very clean and sharp approach. And the Arduino spot welder is interesting. Thanks for the inspiration... Keep on trucking (from France) !

@ucdailoi 2 месяца назад

Great demo. Better than much of what I see on youtube..

@yoshimitsu380 5 лет назад

That spot welding method is great. Thanks for the ideas

@silversrayleigh8980 5 лет назад

Ya cool spot welder ... however a pre-fabbed spot welder gives some peace of mind ... As long as your still building/rebuilding batteries. I almost expected a bigger 3D printed case coming out the bottom of the original with 21700's in it instead.

@jackdehaan2267 5 лет назад

No clue as to what I watched, but appreciated the knowledge and skill.

@JAKOB1977 5 лет назад

Good video.. only thing i misses was perhaps some values about how VTC6 stack up in actual use cases vs original but that would need some hijack of the current wire with RC amp meter or a DC Clamp meter but I reckon likely not the big difference in actual effect as its current limited fx with ESC on power tools with fx brushless. thx for the video.

@richmarsh5029 3 года назад

Brilliant mate.. Awesome work.. Big Thanks from Australia.... and I subscribed as well

@MikeBaxterABC 6 лет назад

You do REALLY nice work! ... Subbed and liked!

@TheSpotify95 6 лет назад

Nice stuff! Also great that you got a battery spot welder. Though I imagine that such a device wasn't cheap, and for occasional use, soldering would probably be better. I know that your older videos used the soldering approach and worked well.

@slyztercoreveanged3175 3 года назад

buy a battery spot welder..then make a service to change older battery pack for folks for half the price of new battery...iam pretty much sure many people will hire you...2-3 job pay the machine...plus he changing the battery from 3 ah to 6 ah and it cost him half the 6ah battery

@MCsCreations 6 лет назад

Fantastic, man. Really great project!

@hectorkeezy1499 5 лет назад

Thank you for a very usefull instruction. Good work👍 Holger Kolle 🇩🇰

@CarlosGomez-qs9bm 6 лет назад

Sweet ideal... I'm Bosch Tool Man! Great way to restore my batteries

@aguilayserpiente 5 лет назад

Brilliant work and fine cinematography. What video editing software did you employ?

@RozelyLindim 4 года назад

the Idea of spot weld is brilliant. Much better to upgrade battery.

@shanemike3070 5 лет назад

Love that spot welder

@DIRTDIVER882 6 лет назад

Awesome craftsmanship 👍👍👍👍🇺🇸

@KleantRrera 4 года назад

You did a very good job there.

@1996BRECHT 6 лет назад

Very well pesented video, I don't like a lot of video's but I did like this one, keep it up!

@giannislymperopoylos5574 6 лет назад

excellent job...these are 15amp continuous max discharge...or 30 with a cut off thermal circuit....most power demanding 18v tools exceed this limit easily at full throttle!!but these and the old ones are unprotected so the protective thermal circuit is already there....i guess!!very clever upgrade...with new 18650 that can have 20-30 amp and 3000mah capacity you dont need a second spare one!!!and great spot welder... especially with the timer delay...looks like an excellent unit...!!thanks for sharing!!! i just saw the specs and the price of the unit....someone used just a solenoid and a battery...BUT THE SOLENOID MUST BE RATED FOR THE BATTERY CCA AMPS AND THE BATTERY SHOULD NOT BE AS HIGH AS HERE...(400A-600A)... CAUSE THERE IS NO CONTROL CIRCUIT BOARD AND YOU CAN EASILY OPEN HOLES ON THE NICKEL PLATES...!!THERE IS ALSO A 300A FUSE ON THIS PARTICULAR ARDUINO UNIT YOU USE...!! also if you add the 90 dollars and the 60 of a 500cca battery you are almost near as here www.ebay.com/itm/788H-Battery-Pulse-Spot-Welder-18650-Battery-Charger-Tester-0-1-0-2-mm-220V/122733520271?hash=item1c937ce58f:g:XVcAAOSwAVxZ0KK6 which without any mosfet mod you go up to 800amps and 0.2 thickness and you dont mess with arduino complexity ...anyway...it looks like a very well built ,reliable AND MOST OF ALL COMPACT unit!!

@harleyme3163 5 лет назад

ps.. amps and miliamps are the same thing just a different measurement.. and 18650's might have 7 amps of life.. and what he's done is limited that motor to below the recommended voltage.. = less torque.. amps or volts.. cant have both.. essesially the drill will use twice the amps to spin the motor giving him no extra work time either hehe

@xdeadwrongxdeadwrong7181 5 лет назад

@@harleyme3163 not sure...so he ordered battery's with a larger capacity...so basically holds a bigger charge ..didnt change any specs of the drill itself expect for the charge range...which is now longer than the stock version of it's original design. So your saying he loss efficiency of the motor due to larger battery capacity?

@jamesmcelreath4561 6 лет назад

Very well made video and list of materials.

@jimpann 6 лет назад

Excellent job. Very clever idea.

@thepoderosotiburon 5 лет назад

Hi Dear Friend, Could you help explain me How to make the same work, but with a 9.6 battery please? Thank you for your great help

@steveclark3379 6 лет назад

Yes, its worth it, nice build, love the welder fantastic well done....

@Fkidd702 5 лет назад

That’s a dope ass spot welder

@Billbobaker 5 лет назад

Excellent video.. thanks for sharing.

@davidmiracle398 5 лет назад

Working with Lithium Ion batteries takes me beyond my yellow streak, but.... I loved your video and your skill set. Also your courage in messing with dangerous stuff!

@weeardguy 3 года назад

I used to think the same way. But at some point, you open up your first cell-pack or appliance with such cells in them and from that point on, you progress ;) . I now have multiple cells a bit scattered around the room.

@peter-johnjones5869 5 лет назад

I have no idea what all these electrical terms mean but I'm a joiner with all my tools powered by battery. I wish I knew about all this stuff so I can upgrade all my batteries!

@DIRTDIVER882 5 лет назад

Nice spot weldèr 👍🇺🇸

@robviolin1 5 лет назад

Good vid,. thanks for the information. 👍

@youthised58 6 лет назад

Good job......and thank you!

@stevey500 5 лет назад

I am curious of what material you used to change the battery capacity number to 6ah. Is that just vinyl?

@MyFatty69 4 года назад

intresting with that spot weld.

@sttm1283 5 лет назад

i need to do this to my 3mah makita's. first buy spotwelder. :D awesome video

@johnrhodes3350 5 лет назад

www.keenlab.de/index.php/product/kweld-complete-kit/

@tomgallagher8532 6 лет назад

In the video at 6' 33" you are checking the voltage by connecting the test leads to two terminals; what are these terminals called so that I can order them from a supplier? Thanks in advance.

@Nomadous 5 лет назад

Brilliant...You are an artist...!!!

@andypag1071 6 лет назад

Love your videos.Thanks for sharing. Quick question: Is soldering NiCads and Lithium batteries ok if you don't have a spot welder? Does it damage the cells?

@Rendus4 5 лет назад

Soldering the cells does physical damage to the cells, but the general concensus is that the cells do not lose capacity or life cycles as long as the soldering heat was only applied for a few seconds, so be sure to use a 200 watt+ soldering iron and not the typical 30 or 60 watt ones.

@sttm1283 5 лет назад

i have a makita 4mah that drains really fast. is it worth to replace with new batteries? not sure what the electronics in the pack would say about it since it count the charge cycles.

@yaforgot6778 22 дня назад

Thank you very much for your video :))) The video is very cool :))))

@vuaeco 6 лет назад

Those Sony VTC6 cells are top of the line especially for these applications. How much did you pay for them?

@BlackCat-qm3sj 2 года назад

Hey will this work with 12v cordless drill batteries I'm trying to use 2 12v drill batteries to make 24v would that work on a drill to make it faster and last longer?

@yves2075 3 года назад

Bosch moved up to "21700" batteries (~5 Ah/piece) with battery cases nearly the same weight and size. They're awesome, but pricey. Have you tried?

@onewordhereonewordthere6975 5 лет назад

I just switch from DeWalt to Bosch couple weeks ago why they do the same thing and they're cheaper for less than $300 I have one 18volt hammer drill two 18 volt regular drills one 18 volt with six batteries 3 chargers and I have the small one drill 2 batteries and the charger All brand new . From different pawn shops. Now I can go after the grinders the sawzalls and I'll have plenty of batteries to go with it bonus electric bicycle PS I will be buying some of those Sundays thank you Greg video

@michaelbatyuk5302 6 лет назад

Well done brother

@arminmoller9927 5 лет назад

Are there no BmS in the original akkupac ?

@majdinj 5 лет назад

Another good battery is Samsung INR18650-30Q with 3000mAh and 30A continuous current draw

@YNSGamingHD 5 месяцев назад

I have a 2ah battery on my drill, if i want to upgrade it, change the cells, do i have to change the circuit board or something? Or only to replace cells with better one?

@razmanhanafiah4839 3 года назад

Does this Bosch battery pack has cut off circuit to cut off power when the pack voltage goes really low?

@djgoondock 5 лет назад

BRAAAAVO .complimenti. con i soldi spesi compravi 2 batterie nuove originali.che sono ottime.poi chissà che lavori dovrai farci?????

@VitorMadeira 4 года назад

Outstanding. Just three questions: How will the old battery charger do with the new type of batteries? Is it 100% compatible? What about overcharging? I heard that it might be really dangerous to overcharge lithium batteries.

@moya9450 Год назад

Yeah, Those are 18650 batteries and Their Voltage is the same, only capacity has changed, so older charger takes double time to fully charge it. About overcharging I have to say that I think that circuit board will protect the battery from Over Charge and Discharge

@user-mz4fz1ep1s 4 года назад

Can you tell me where the pulse spot welder is? Can I buy it?

@heardandtested 4 года назад

Omg, I got the same spot welder. U can't go wrong with the spot welder. It's wayy better than the cheap Chinese spot welders.

@patla7097 5 лет назад

He’s so smart

@AntKardano 5 лет назад

hey man, where did you find to buy a broken battery for just 2-3 euros?

@tomnewtnt5718 4 года назад

What is this 6Ah sticker where did you buy it?

@jasonsweet1868 5 лет назад

Thanks I hope I haven't thrown out my old makita batteries I never even thought of replacement cells well done

@Kelsdoggy 5 лет назад

Great video thanks!

@Jack-iw2on 6 лет назад

Thank you !

@pascalvandenberghe4602 4 года назад

nice job done

@kornshadow097 2 года назад

My bms blew up when I did this cuz the amperage was doubled... But I can't find the bms number schematics anywhere... Cuz I wanna replace the bms with aftermarket but use the pins... How do I find a pinout?

@debarra136 6 лет назад

Good job!

@Jcoughlan 5 лет назад

Is the bms not set to a specific AH??

@johnvane5240 5 лет назад

No idea what I would do with the spot welder machine thing but I want a spot welder machine thing so badly I am prepared to sell my left arm for one. If only I had a left arm.

@stephensimpson5283 6 лет назад

Dude, NICE!!!!!

@DTGrosz 5 лет назад

Interesting & way cool!

@ibysplumbingvideos9684 5 лет назад

Wouldn't this damage the battery circuits.

@LASTSAGI888 4 года назад

Your the man

@janbalga7702 5 лет назад

Perfect!

@xXZ31t6esTXx 5 лет назад

Is it possible to have a conversion to electric car guide?

@planecrazyish 5 лет назад

Excellent !!

@wayneoneal7952 5 лет назад

WOW!!!! IMPRESSIVE KNOWLEDGE TO SAY THE LEAST!!!

@adelebrahim7234 5 лет назад

Thanks

@MikeTrieu 5 лет назад

That Arduino spot welder is pure sex! Now I know something like this exists in the world and the possibilities are endless.

@johnrhodes3350 5 лет назад

www.keenlab.de/index.php/product/kweld-complete-kit/ This one is even sexier🔥

@rizwanmohammed5339 5 лет назад

If i change my cells would it change the amp hour thanks

@user-nn4ju7vn8j 5 лет назад

パナソニック製セルで、3A～7Aに、3500mAhで作ってみたよ🎵良かったです。

@pr0xZen 4 года назад

Neat! Not only double capacity and hugely increased discharge current (useful for really torque'y tools), bit you get the compact form factor of the small'ish 3Ah one 😁 Top stuff. Any tips on "regular" soldering on these cells, without them letting the firely dragons inside them out?

@ferrysarbs2487 6 лет назад

Nice idea

@sleefox 6 лет назад

Outstanding

@pulsar7314 6 лет назад

You can do a powerbank with your old batteries ;)

@benlawton5420 6 лет назад

They are fucked.

@shenghan9385 5 лет назад

Or say a time bomb

@jakubrejfir5197 4 года назад

There isnt any BMS?

@ivang752 5 лет назад

I’ve ordered those batteries from for mention retailer and there are only 2000 mA not 3000 mA, I’ve checked capacity by discharging and fully charging again.

@johnrhodes3350 5 лет назад

What voltage did you run them down to. Sony are probably going to 2.8V -> 3.0V at a slowish discharge rate. it might say on the spec sheet. There are some fakes around though. Have a look at the RU-vid channel 'Battery Mooch'

@Ukracer 6 лет назад

have you got a link to the welder??

@iCorx 6 лет назад

It's in the description ....

@jimmurphy4703 6 лет назад

Very well done

@CurrentElectrical 6 лет назад

From the description: ru-vid.com?q=https%3A%2F%2Fgoo.gl%2FHDDeqP&v=7khUZ4IYS-0&event=video_description&redir_token=Rx_m-LaKvw9Yj70-EB5dgYtCJJp8MTUxODQ2ODAxNkAxNTE4MzgxNjE2

@user-wy5tt6lp4z 4 года назад

Hi! Is it possible to double capacity of Hilti cordless powertool like drill 22v 3.3Ah?

@pr0xZen 4 года назад

Maybe. Check inside, how its assembled and what cells are in it, ot will tell you whether there's really any gains to be had, and if it's feasible to do the job (this battery pack was frankly on the easy end of the scale to replace cells in, among modern power tool battery packs). But top shelf power tool manufacturers like Hilti rarely skimp on cell quality. Maximum capacity ain't everything though. Besides that and cost, ere's (sustained) discharge current, behavior in really cold or warm temperatures, long term capacity retention, lifetime charge cycles ratings etc. Can't have the best of everything in one cell, it's always a compromise. Some tool "system" manufacturers even offer special battery packs tuned for special needs, like arctic or super hot surroundings, and ofc the more typical high-demand (high discharge current) ones for super torque'y tools like hole hawgs, big impact wrenches, sawzalls, concrete hammers etc.

@honich-eriker 6 лет назад

What did you use to make sticky letters as showed at 6:55?

@iginio3G 5 лет назад

My home brother label maker

@josephrichardson2365 5 лет назад

That's the question you ask???

@llewellynwilliams1956 5 лет назад

very easy to change batterys on them bosch

@TheMixmastamike1000 6 лет назад

there isn't any video description

@harleyme3163 5 лет назад

long as the voltage match'es 18volts you can stack a million batterie's in paralel

@brit1066 5 лет назад

Harley Me Well not really, you will burn out the charger.

@sjaakvkoten6061 5 лет назад

You will have about 4000000 Amps though with a million batterys... Seriously doubt the motor can handle that...

@ehvlullo 5 лет назад

@@sjaakvkoten6061 Nonsense, amps are always limited by the device itself. Putting cells parallel only makes for longer battery running times. Harley is right.

@adamshandyhands2346 6 лет назад

Just one more thing, it is an 18v tool but when you checked your batteries on your volt meter they read bellow that, won't that effect the power of the tool?

@kimt6333 5 лет назад

A fully charged 18V Li-Ion battery is at 21V, and a fully discharged battery is at 15V, so any voltage between that is good, it's a matter of charge state.

@johnrhodes3350 5 лет назад

The reading was as they are shipped or for long term storage roughly between 3.4V to 3.8V Long Storage at Full capacity can damage them and is unnecessarily dangerous, due to high energy density. It's a risk of fire or explosion if short circuited or otherwise damaged He was only looking to see if they were all roughly the same ie. Balanced If one was lower than the others it could indicate a faulty cell.

@saadsaadi2522 5 лет назад

good video

@stephenkiernan8520 5 лет назад

WOW! You doubled the capacity of your battery by changing it with a battery that has twice the capacity. You must be a time travelling wizard from the future.

@shenghan9385 5 лет назад

Don't you be too concerned. His chinesim "Samsung" or "Sony" will probably not give the claimed output.

@TheBiggerDavo 5 лет назад

@@shenghan9385 i agree! I don't think its possible to get this rated capacity even with the most expensive 18650

@gentlelove 5 лет назад

Is it possible to replace the cells in such a way that the battery is longer lasting? Shalom

@gentlelove 5 лет назад

@Mykel Hardin I missed it Shalom

@snowflakemelter1172 5 лет назад

I was just given the entire display of power tools from a shop, when they changed the models, all have no cells in the batteries, so I've got to make batteries and chargers .

@CulichorHimself 5 лет назад

It's not worth the effort , but thank you for sharing!!

@crinaandreea9640 4 года назад

you are a moron. If you have a battery cell dead in the entire pack, is worth it. Maybe you get rid of an entire battery only for one single cell dead, but you are a moron.

@this_time_imperfect 6 лет назад

@6:48 I actually laughed out loud at this lol nice one!

@badger0888 6 лет назад

Very nice. Subed

@niallwildwoode7373 5 лет назад

Some advice: NEVER dismantle fairly modern tool batteries with a long, steel blade. A small accidental short so easily wrecks the management system, rendering repairs and upgrades useless. I use a Dremel-type drill with mini steel cutting disc, and cut through all the connection strips in situ....then I can remove the strips off the individual batteries in safety, so as they can be used in less demanding appliances.

@mibars 5 лет назад

There is a reason why power tool batteries have cells of such small capacities that go without protection circuits. They are simply much more robust and more difficult to explode than high capacity cells that push it to the limits and NEED protection circuits.

@harleyme3163 5 лет назад

nothing to do with protection.. you know its only the voltage thats matter since they only draw the amperage that they require to function.. and if you think there's some special anti battery exploder.. most charging circiuts stop charging when its gets feedback (battery full and charge is coming back since battery isnt taking it.. you cannot overcharge a battery if you use a proper charger.. they are meant for specific amp bat's there for specific VOLTAGE..just takes longer to charge a bat with higher capacity

@mibars 5 лет назад

@@harleyme3163 No! These Lithium cells are not self-balancing, like Nickel ones! You can have e.g. 6S1P battery with a total full charge voltage of 25,2V, but it doesn't mean that all cells will be 4.2V. It takes just one cell with slightly different internal resistance or lower capacity to throw the pack out of ballance, e.g. you will have five cells at 4.15V and one overcharged at 4.45V.

@JM-yx1lm 5 лет назад

@@mibars ryobi does have individual cell charging.

@mibars 5 лет назад

@@JM-yx1lm But the Bosch one from video doesn't.

@Mr71chevyvan 5 лет назад

no 18650 battery can last one discharge cycle w/o a protection scheme. the protection refers to overcharge or draining below around 3vdc. i know because i ruined 2 cells w'o built in protection.