Ultimate DIY 60,000mAh Power Bank (222Wh)

[@camerongallo5940]

I like my soldering joints like I like my beer, cold.

[@maxyiwei]

so what is the blast radius

[@canetoad69]

10 blocks at least potentially 1 districk

[@UltraNyan]

@@canetoad69 just surround it with obsidian

[@H3wastooshort]

2x the radius of earth i guess...

[@NaveenJolster]

Why so much negative comments. Appreciate it or shut the fk up. He may not be using it (for educational purpose) . Or he done it to teach us. How many of you know what he did ? Appreciate his talent. Now he done without any safety features tomorrow he may add them who knows ? You can't stand up when you don't know how to fall.

[@lQuadXl]

*Just pour one Nuka Cola over the batteries, and get ready for Nuclear Armageddon* 💥☢️💥💀👍🏻

[@Lardzor]

Awesome video. I wish there were more videos like this that actually let you build useful products on the cheap without needing an electrical engineering degree.

[@djtongi]

you serious? no fuses, no temp control for the cells? no charging-current control? this is a ticking timebomb!

[@christopherplays4931]

Totally

[@petertaylor3424]

Gotta live on the edge .. Besides takes fair bit to setoff a lipo .

[@anubhavmuku96]

Keep calm and shout aloha snackbar! xD

[@voldy3565]

The step down converter probably has a fuse. Besides you can add one yourself easily. AND it has temperature control.

[@herlofrumfragi4361]

Good thing it looks like one, too

[@tripalong]

9:20 smh...

[@clintoncoker6]

Better to crimp or solder ring terminals or similar onto each wire and then bolt them all together. Or a bus bar or something

[@dylandrouin3085]

as an electrician that hurt my soul

[@luckylarz4269]

@@dylandrouin3085 😂 feel your pain brother lol

[@crazz234]

HAHAHAHAHAHA!!!!!!!!!

[@HarryL2020]

Should have just twisted them together then solder or use a bus bar, just mashing them together isn't a good idea.

[@CallmeSam00]

Your soldering terrifies me, considering the amperage in your power bank.

[@allisterroy6604]

ik it was a little shotty, just a tad bit

[@zaprodk]

@@allisterroy6604 Well it's very much *shoddy

[@allisterroy6604]

@@zaprodk its very much a little bit absolutely terrifyingly bad.

[@generaldisarray]

I stopped watching at 1:58 as I felt sick due to the soldering "technique" (if you can call it that)...🤢🤢🤢🤮🤮🤮

[@sup3rbird]

Dry joints abound.

[@bradley144]

Fuses definitely need to be put on the batteries, especially with how close everything is tightly jammed.

[@og_myxiplx]

Did I really just watch somebody advising to charge 10,000 mAh LiPo cells to FULL before soldering? Do yourselves a favour folks, if you're going to try to copy this video, never work with fully charged cells. Adding heat by soldering a fully charged pack is a LiPo fire waiting to happen.

[@B1akTang1dH4rt]

Because he needed to know the charged voltage to be able to group them.

[@og_myxiplx]

@@B1akTang1dH4rt So you charge them, group them, and then *discharge* them down to a safe storage and handling charge before you solder. Soldering fully charged LiPos is stupidity, plain and simple.

[@squirrel6687]

Ross Cooper-Smith Wow. Learn something everyday. Seriously, with good technique, how much thermal energy will be transferred to the cell; answer for a dummy please.

[@og_myxiplx]

@@squirrel6687 Couldn't tell you exactly, but let me put it this way. CellPro PowerLab chargers (high end LiPo chargers for the RC market) automatically lower their maximum charge voltage in low temperature conditions, specifically to reduce the risk of lipo fires from people charging outdoors in the cold, and then taking them inside. As a LiPo's temperature rises, so does its voltage. And if you look up LiPo fires, they're almost universally caused by either damage to the pack, or the voltage of one or more cells rising too high. So heating a fully charged LiPo is an extremely bad idea.

[@IIBLANKII]

@@og_myxiplx Even with a discharged cell, I would not solder for more than three seconds on each cell, to prevent damage to the cells, or uneven charging of each cell in the end.

[@ArceAngel]

dude that has to be one of the best diy power bank builds iv seen. Congrats, the video was put together extremely well also. The duct tape handle part cracked me up. All this 3D printed stuff and the device itself being fresh and clean then all the sudden BAM duct tape handle lmao I love it

[@lukafireman]

Love the simplicity and the precision at which this was handmade, good job mate! :D

[@АлексШепард-н9ж]

No 60 thousand but 20 thousand MAh. Parallel connect is sum current and voltage constantly in this video not used fuses and active ventilation. This is amazing bomb!!!

[@ifeanyionuoha5336]

Yes this is correct. The power capacity is 20000mah because the 3s lipo protection board delivers 12V output by supporting 3x 3.7v Lipo batteries. Which means thst for 6 pieces of 3.7v 10000mah batteries, there are 3 groups of 2 Lipos connected in parallel to obtain 12V 20000mah from protection board. You will need 18 Lipo batteries to with an 65 watts protection board to get 60000mah 12V output.

[@robertcartier5088]

Very nice! Also, I want to mention that it is rare that so much effort goes into replying to viewers... Bravo!

[@thefixitgal]

I read your comment BUT..... When you put 3 cells in series they become one practical cell... 10AH 10,000Mah.. put that new 12v 10Ah cell into parallel and you have 12v 20Ah.. Theres no way around the math. If you want a constant use WH.. 248Wh.. Wait... Even then you don't get past that as the cells are series parallel. Im glad you built this cool little power bank. You have some skill but no matter how you look at it its still 20Ah. I gave you a thumbs up because its a nice little power bank but you really should change the title. Its misleading.

[@SuperBrainAK]

so is every powerbank any market has ever sold, he is just being consistent. all powerbanks are sold as 3.7v equivalent amp hour ratings, because it doesnt matter to the consumer what voltage internally it is it is just something to easily know the size of the battery.

[@thefixitgal]

@@SuperBrainAK Yes and no. I respect your input

[@SuperBrainAK]

Ms.Fixit well yea his cells are rated to 10Ah each but who knows if they actually hold that much. you can also say the total watt hours and then you can tell the actual power rating, instead of letting the user assume the voltage your rating is at. But everyone stating at 3.7v is actually good because everyone can safety assume the rating is for a 3.7v configuration

[@mwbgaming28]

I agree, watt hours should be the marketed energy storage rating for power packs like these Amp hours is great for selling individual battery cells or batteries, but for power packs and jump starters.etc, watt hours should be the standard

[@kid3499]

Ms.Fixit how can I run my 9 LiPo batteries in series and Parallel? I wanna use 3 to get up to 12V and the rest to just be used as energy storage, like longer runtime ya know?

[@craigdiaz4143]

I read through your comment section and am very pleased to see you are both accountable and reasonable. I subbed.

[@kralyn3d]

IMPORTANT UPDATE: I just uploaded the newer 18650 version of this power bank. It is re-designed from the ground up with safety, function, and ergonomics in mind, it is more advanced in every aspect: kzbin.info/www/bejne/Zpu1pJ-qfrxrp68

[@AraCarrano]

Have you Allowed/listed Spec for pass through chagring?

[@sMASHsound]

whats the amperage u get out of that battery pack?

[@thethoughtmaster]

I have 300Ah. I get 360 Watt Hour at 30 DC Amps. 12-13.6 Volts. 17cm x 21cm.

[@robertktw]

is it TSA friendly?

[@thethoughtmaster]

@@robertktw dude, you can not have the same name as me, the internet ain't big enough for two Robert's. signed ROBNOTNOB :-)

[@sorooshab]

All these comments are from those who never made anything like this, I say great job and thanks for all the info and detailed video.

[@gman9275]

Great video. Maybe for the new video, could you consider a way of locking the DC voltage output. Using such a knob is too easy to accidentally turn and could blow up a laptop. Maybe a locking mechanism on the voltage knob? Or somehow incorporating a toggle switch to lock the output voltage?

[@laizalott]

Your video has summoned all of the arm-chair experts and naysayers on youtube. Kudos :) Can't wait to see your 18650 version.

[@amateurprogrammer25]

seriously tho it's like reddit on a witch hunt

[@AlhamRana]

I saw the RGB 50k AC/DC power bank & then see this so I had to subscribed..🇧🇩

[@bobmutchseo]

this video deserves 2 million views

[@jenovaizquierdo]

Awesome power bank battery. This is what i been looking for plus i will subscribe to see more awesome DIY projects from you. You are the best.

[@bantot1296]

You're basically making a battery bomb

[@bantot1296]

@@kralyn3d *_It's a Joke_*

[@nismo1082]

Nice Project, but really bad solder points !!!

[@N0body247]

I saw alot of mean comments.. While yes this may have a few things it needs.. your very good at doing detail and instructions. while i would personally rather buy one.. i applaud you on doing this. This is prob more than anyone has done that is commenting.

[@Liace159]

@K R A L Y N 3D | Don't get overwhelmed by the hate man. Even if your project wasn't perfect, it was far above at least 70% of what I saw on this platform where they didn't even balanced the batteries.. Everything is well documented and explained and you did an incredible job considering the fact that you have little to no experience in this kind of work. I found it really interesting and inspiring because it is clear to me that you spent a lot of time thinking and building this. Congratulation, you got a new follower and I am really looking forward to se your next projects ! (specially the 18650 version of your power bank!) Keep it up and stay Positive men !!

[@cairraigem8396]

Except some of what he said can cause physical and possibly bodily harm but fuck that right? Because hes new and its "inspiring"

[@selimllugagjia258]

Ary fucking kidding this is not safe this can do harm to pepoples the desing of this thing without fuses this thing is a bomb dont try to be good and smart in wrong places idiot

[@Zero-lg3gx]

This shit is not safe. Fuck your " ignore all the criticism" this dick needs to see what others think about this time bomb. and if you really trust him then go ahead try it. ye it has no fuse or a temperature censor but fuck those am i right?

[@Schjoenz]

@@Zero-lg3gx You might be right about it's safety but won't you just rather tell it positively than sarcastically? That makes you a dickhead. He's idea might be lacking but people aren't dumb enough to not consider what other experts might say. You just have to be polite when criticizing his work. So fuck your "dickhead sarcastic criticism" too.

[@Schjoenz]

@@selimllugagjia258 You might be right about it's safety but won't you just rather tell it positively than sarcastically? That makes you a dickhead too (just like @UnlimitedZero). He's idea might be lacking but people aren't dumb enough to not consider what other experts might say. You just have to be polite when criticizing his work. So fuck your "dickhead sarcastic criticism" maggot.

[@jojothka1232]

Thank you for this video, i have been looking for a school project that involves 3D-printing and a useful application, and this is perfect

[@gordonliu3090]

So nice, so smart work. I can't but love it!

[@universalvideos7076]

Nice power bank.

[@bartomiejnozka8992]

Great build and stuff but one thing and it is the big thing, IT IS NOT 60Ah! If you connect the batteries in parallel then the capacity will be greater but the voltage will stay the same. If you connect them in series then the voltage will increase but the capacity will stay the same. Your battery pack should be rated at 11,1V/20Ah because you have 3x3,7V batteries in series and 2x10Ah in parallel. That is 3*3,7V * 2*10Ah which is about 222Wh, which is the same as 6*(3,7V*10Ah) or just 6x37Wh. Source: batteryuniversity.com/learn/article/serial_and_parallel_battery_configurations Please correct that mistake.

[@bartomiejnozka8992]

@@kralyn3d That is why they should real use the power * time parameter not current * time. For the raw battery [Ah] have a sense but for power banks it really don't because you will never know on which voltage they operate and stuff. For me 222Wh is peaty good. I still insist that you should use 20Ah not 60Ah but ya... It is not correct and never will be.... It is still very good project tho.

[@4nlimited3dition_4n3d]

Yeah, @K R A L Y N Just change the title to "Ultimate DIY 3,7V 60,000mAh Power Bank" or something like that.

[@checkerguybloxxer8139]

Bartłomiej Nóżka you copied the color of my image :(

[@Divyesh_Sinha]

You are right and also wrong While using a good buck converter 12v -> 5v with 90% conversion efficiency he can use the 11.1v 20ah(222whr) battery as a 3.7v 54ah(199.8whr) battery which is same as using a 5v booster used in a powerbank

[@aureajourdaine1997]

This soldering method is only for professionals and well experienced. Btw, I aleady Subscribed to your channel, I want to learn more soldering from you. Thank you for sharing your ideas. Now that the filipino always had problem about Electricity. So thank you! 😘

[@zsoltpeterdaniel8413]

Got a gaming laptop eith a badass powerbank. *plays world of tanks...

[@christopherplays4931]

What a sad day for me i couldn't play world of tanks

[@tnhem]

World of Tanks is kinda a good game for benchmarking tho.

[@amateurprogrammer25]

it's cuz he booted using his igpu to avoid overloading the pithy little car inverter and was looking for a game that could run on it.

[@zsoltpeterdaniel8413]

@@amateurprogrammer25 if he used intel hd instead of the dedicate he wouldnt be able to run it on high

[@kenanfurcle786]

@@zsoltpeterdaniel8413 I used to run WoT on my i5 8th gen (on high) before i understood that I wasn't running it with the gtx, kinda stupud ik but it worked as heater too

[@ifeanyionuoha5336]

The power capacity is 20000mah because the 3s lipo protection board delivers 12V output by supporting 3x 3.7v Lipo batteries. Which means thst for 6 pieces of 3.7v 10000mah batteries, there are 3 groups of 2 Lipos connected in parallel to obtain 12V 20000mah from protection board. You will need 18 Lipo batteries to with an 65 watts protection board to get 60000mah 12V output.

[@Arek_R.]

Crusty solder joints, hotglue on the parts that might heat up and melt it, a lot of exposed connections, cells put together with a ordinary non-high temp tape, dude...

[@Veritas-invenitur]

Harsh........ Everyone starts somewhere, try to be positive in your feedback. Mistakes were made but rather than trash on them use the opportunity to educate and help him.

[@Arek_R.]

Not going to educate him, everything is already on internet, just google it. Fishpaper, capton tape and non-acidic silicones are way to go. Also to get decent solder joints you need like 30 minutes of youtube videos and few hours of practise, that's not much.

[@randomnobody8770]

"I'm not gonna educate" *immediately starts educating about Fishpaper, capton tape, etc.*

[@Arek_R.]

@@randomnobody8770 Just throwing some keywords so it's easier for people having troubles with Google...

[@araibirshad8294]

@@Veritas-invenitur he is actually being positive... as in he's listing the things that are wrong. the guy may actually learn something from this. whats the point of criticism if it acheives nothing ?

[@diablojd52]

I understand the basics and I am no expert. I give you a thumbs up because with all the comments and the process you went through this was a great learning experience even if mistakes were made (not just for you but for me as well).

[@probablynotabigtoe9407]

Small enough to get on a plane... Good luck getting that through security without being questioned though LMFAO.

[@lesliefranklin1870]

At least TSA has a convenient window to see what's inside.

[@MultigunaK_nci]

Sangat Kreatif sekali membuat power DC Multi nya, Sukses selalu yah

[@sethhorras8519]

I really like this kind of content. Thank you very much. I would also be interested in what it would take to scale this up and or charge with solar.

[@rufatabbaszade4923]

Bunun kimi güclü və keyfiyyətli PowerBank videosu görməmişdim (Thanks)

[@maklog867]

Nice, but with Lipol batteries it is small bomb :D

[@MrKrueger88]

Geez , that's a lot of work ... And excellent skills showed right there !!!

[@kenanfurcle786]

Yeah no look at the soldering

[@MrKrueger88]

@@kenanfurcle786 I can do a lot of things ... But electrics is just black magic and 3d printing is amazing too . Good on you 👍

[@imaron]

You know that LiPo batteries are hella dangerous and with your circut that thing is a timebomb....

[@pratikborikar5375]

This is very cool project I had ever seen on (KZbin) hats off....!

[@mohaimenalsomidee5121]

You really did a great job! don't care about those how don't thanks at first them give the advice, you can only take the advice and leave the other words :), i think you still need to add some protections like fuses and temp controller, But you really doing very beautiful project which most companies interesting in doing such products, your idea about providing wide range of outputs is very useful in our countries (we lost the power daily). i think you need to make a universal output and name it like laptop output, phone output and inverter (i.e lock the output voltage to those applications only to provide robust and plug and play device for those who work in area with unstable power source. Great job bro.

[@umbratherios5614]

literally the ONLY thing I dislike about this, is that it uses Lipos (they HATE being left at full charge... and power banks need to be stored fully charged incase of emergency which you cannot predict... unless you charge them to something like 3.9v-4v instead.) otherwise, this project is awesome... awesome job! this really gave me inspiration and ideas of my own :D

[@laizalott]

Hate is a pretty strong word. They certainly age faster at full charge than at nominal/storage charge, but the benefit of having double the energy density outweighs the negative of extra capacity loss over time from full charging, I would say.

[@mwbgaming28]

That case you made up just screams SEXY!!! as for the internals, here are a few things that you could do to improve the device (a lot of these are in my solar generator, though mine is a lot heavier and bigger) > Use 24V as the battery voltage whenever possible when working with lithium ion batteries, 7S lithium is in the perfect range for 24V inverters, USB chargers and other accessories (no boost converters needed) whereas 3S us too low to get full use of the power and 4S is too high for 12V devices to work > Heatsink the inverter for Christ sake!!! (That thing will overheat and fry if you don't heatsink the inverter MOSFETs) just having a fan blowing on the MOSFETs isn't going to cut it > I would recommend using connector blocks instead of soldering wires together (solder joints often break in portable devices like this > Make the battery bigger than you think you need (less chance of inadvertently overloading the battery) > Add a fuse or a circuit breaker on the main power rail!!! Other than that, this one is pretty damn good Mine jas the following specs > all metal chassis (more durable than PLA) > 24V 40AH 18650 pack (made up of 3 individually removable 7S 5P battery banks for ease of maintenance) > 24V - 240V 400W modified sine wave inverter (couldn't find a 400W pure sine inverter that would fit in my design) 12V lighter socket (120w buck converter) 24V lighter socket (direct connection to the main power rail) > 10V-60V power input (can charge from almost anything, from a car battery to a rooftop solar panel and anything in between) > I use 2 BMS boards in parallel for redundancy (I also have top end balancing via the use of voltage triggered resistors if both BMS boards fail) > Integrated 20W solar panel (charger of last resort) > LCD battery power indicator (gives percentage remaining, battery voltage and a bar indicator) > The wiring is uprated to 200% of the maximum power draw I will be pulling from it > I use circuit breakers rather than fuses (replacing a fuse in the outback is kind of a bitch) > There is also a Li-Po voltage alarm connected to the spare 7S JST connector (there are 4 connectors, 1 for each battery pack and one for maintenance)

[@cryptoville8961]

Please is there any way i can see this?

[@mwbgaming28]

@@cryptoville8961 I might make a video on it when something breaks and I need to repair it

[@cryptoville8961]

@@mwbgaming28 i can't wait......😁

[@mwbgaming28]

@@cryptoville8961 well you might be waiting a while for something to break, seeing as I over engineer things beyond normal levels of sanity to ensure maximum reliability Though it is due for a battery upgrade relatively soon, going to be using higher capacity cells, when I do that upgrade I will record it and post the video link on my channel (Il post the link here if I remember which comment it is)

[@dwisutan3578]

I saves your videos to my works next time. Thanks.

[@JessicaFEREM]

Never Carry this onto a plane, this could get you on some sort of watchlist.

[@kennthbrowne7051]

Nice battery banks

[@benedictanims4551]

Thats What The Five Nights At Freddy Building Used For Electricity

[@HelipOfficial]

Boi this is the best D.I.Y. power bank i have ever seen. The only problem is just it will be very heavy.

[@mwbgaming28]

Dude it's 3D printed and is using the lightest parts available, it probably weighs less than 2KG How light do you want the thing to be?????? You weaklings are the reason why laptop battery life is garbage these days with your inability to lift more than a few hundred grams

[@MirkoD2]

9:20 My heart O_O But anyway good job! ;D

[@pflernak]

Oh God the HORROR!!!

[@dobsonator]

thats some fine work my dude. you could also add quick/fast charge to this project and a wireless charger transmitter to the center somewhere for even more features!!

[@youruncle2]

*casually frays a wire and runs power into it*

[@Orniasphos]

Чуть инфаркт не поймал, когда смотрел как он делает эту большую скрутку. Но лойс, все равно, молодец :3

[@thenasiudk1337]

Damn... It's looks like a time bomb Even though that was a powerbank

[@someguy4915]

It is a timebomb... No fuses, no thermal protection/shutoff, cold solder joints which will crack loose and short stuff out, no overcharge protection on the batteries and so on... This thing is literally a timebomb waiting to set someones' house on fire...

[@mr.p3567]

it might be a great solar panel power collector as well. bravo.

[@PetitEcalypeTus]

DIY but you have to be Tony Stark to do it lmfao

[@Meatloaf_8462]

Perfect video!

[@MShahidShafiq]

i like your effort but you didn't care about the safety of yourself, yes you are important to your parents :) .... sticking 6 lithium batteries together wow.... man they get hot when charged for long... when will you make the second video in this series named, "How to Use Fire Extinguisher"

[@florrianzsiga5216]

is the real firebomb ....

[@codeface7448]

My OCD couldn't handle your soldering, nice project

[@Volvith]

This has to be the most useful Lithium bomb i've ever seen. My god, IT DOUBLES AS A POWER BANK. (Kids, don't try to build this at home, you'll likely burn it down before long.)

[@matheo4934]

Fascinating project. I'm trying to make one. Thanks.

[@vinterium]

OMG where's the flux and please for the love of GOD, use a hot air gun instead of a lighter! Also, there is a such thing as black wires. SMH. Other than that, looks cool mate.

[@LS-jk3fk]

what does it mean to fire the rubber after soldering like at 9:34? i'm a teen who's interested in hardware/tech and pretty fgood with it like PCS for example and this type of stuff is very itneresting, love it. i've learned al ot, did some research on polarity, ground, wire, negative, and neutral. can't wait to get int othis stuff ith e future and even make my own DIY builds (with obvious safety precautions and tools)

[@Yllivan100]

instructions unclear: made a Tesla

[@TheVredeHunter]

Your soldering work..........I too like to live dangerously

[@MaxReckless99]

lets dance..im here for the music

[@SonariNeiracchen]

dayum i'd start a fire if I tried to make that thing. Whole lot of energy right there////

[@dekmedina]

*Anker is shaking*

[@tthh3437]

haha😂

[@RixtronixLAB]

Nice video shot, keep it up, thank you for sharing it:)

[@tuskiomisham]

oh dear, the number of spelling mistakes in your components list worries me.

[@0drdefcon0]

well thought out, very well executed

[@PINKFL0YD-s2h]

6 battery units and 3 balance boards. Dangerous

[@codexrat]

Actual capacity is 20Ah. Cool project though.

[@kepa109]

This is 12v 20ah battery pack.. not 60ah..

[@CapApollo]

@@kralyn3d its a 220ah 1v.. haha

[@necmikmrl]

true

[@taunteratwill1787]

@@kralyn3d NO! we check the TITLE you fucking liar!

[@Ncky]

Pusti prevarante. Vidis da samo hoće jebene pare. Onaj ko stvarno radi ove klipove zato sto voli uradice kako valja. Ovaj je gladan para.

[@kepa109]

@@Ncky Tako je.

[@Cam-gb1cu]

keep on doing vids like this i personally love this stuff

[@youtuber-war9339]

Next step ... Sell product for $90-$120 each

[@kingneutron1]

More like $150-180 - gotta factor in time and labor

[@youtuber-war9339]

@@kingneutron1 you forgotten about the materials soo ... $350-$400??

[@strawhatluffy5779]

looking solid bro

[@sircheesethethird6179]

0:45 Uhhh... Those are Schotky, not Shockley. Edit: Those are 50V, not 55V.

[@AndrewGillard]

"Schottky" - two "t"s. But yes :) en.wikipedia.org/wiki/Schottky_diode However it turns out that *Shockley* diodes are actually a thing - they just aren't what is being referred to in this video, and I get the impression that they aren't manufactured any more, either! en.wikipedia.org/wiki/Shockley_diode

[@aviramiancovici93]

Dude forget batteries - you're an ace when it comes to case/chassis modeling. I wanna see your PC bro.

[@faded.0913]

Quick tip. You have a 3s 2p battery not 1s 6p it’s 20,000 mAh not 60,000

[@Aethelbeorn]

Description.

[@faded.0913]

Aethelbeorn his description is incorrect. It’s not the same lmfao

[@faded.0913]

It’s still a 20Ah battery. If that, that’s assuming his cells are brand new

[@kyle3420]

This is where converting to Wh is better

[@x-gamessimulator1067]

​@@faded.0913 not! Serially connected batteries add up the voltage and maintain the capacity! In parallel, the capacity is added and the voltage is maintained.

[@NEL.50N]

It's only a 20ah unit. Not 60ah. It's 3s2p, using 3.7v lipo cells.

[@34Gw]

I don't like it... I love it!!!!!♥♥ I was planning to make this..! I made 100800mAh powerbank with foam board...BROKEN.. This was very helpful!! I should try with 3D printer..

[@robertcartier5088]

There are a whole lot of other materials between foam board and 3D printing that you might try... Wood, plastic, acrylic, boxes you may already have that are made of pretty much any material could be used here. I recommend plastic containers from the dollar store. Easy to work with and super cheap! I just mean to say that 3D printing is cool, but ultimately unnecessary for most projects unless you have the extra cash just laying around. Designing for the printer takes some practice, and I'm sure that can be rewarding. But there is also something to be said for adapting an existing enclosure to your needs, or vice versa.

[@mikiblack8944]

Yeah me too.... and also one of the worst soldering jobs i ever saw.... he cant even use new parts,they are cheap

[@kotobukichannel4367]

Yeah maybe i will also love this if the creator of this video is Honest!!

[@SubscribersWithoutAnyVid-bd1dv]

Lol that's will be melted

[@Taran72]

This is awesome!!! Thank you for sharing!!

[@stingerbold9327]

i don't think, that's a 60000mah actually it's 20000mah, yes you are using 10000mah 6 cells but in your circuit you are using 12v circuit keep it mind if you parallel 2 battery, amp will increase but the voltage is same or if you series 2 battery volt increase but amp same in your steup two 3.7v 10000mah battery parallel=3.7v 20000mah and that 20000mah 3 package in series= 11.1v 20000mah other side parallel all 3.7v 10000mah 6 cell battery=3.7v 60000mah but both are basically same because 11.1x20000mah=222w and 3.7x60000mah=222w, yes your powerbank can give you more than 200w like 222w but but that's not a 60000mah steup

[@daansteeman5227]

Exactly! And I'm not one that easily goes "this thing isn't safe". But I (and many other commenters) see a whole host of poor engineering decisions or downright dangerous decisions. not a single fuse in the whole thing for example....

[@ertpecsertpecs]

20000mah 3s is the same thing as 60000mah 1s guys. It just depends on which way the cells are connected when measuring

[@ertpecsertpecs]

Let me clarify. It's the same if you were going from the balance plug on a normal 3s lipo which isn't on these lipos. These look like 1s lipos unless the cells are end to end instead of on top of each other. The 3s 5500mah batteries I use are 3 times thicker than these since the cells are on top of each other. The way he hooked these lipos up, with just the two wire positive and neg you guys would be correct since it's 12.6v being stepped down. On a regular non hacked 3s lipo you would also have another 4 wire jst looking connector for balance charging that you could use for stuff under a few amps that you could have hooked up to have a 60000mah @ 4.2v capacity. If it's hooked up just to the 12v you're loosing mah due to the efficiency and heat generation of stepping down the voltage.

[@Dionydejesus]

The idea is pretty cool, but the flaw or problem. I encourage you to continue. 👍

[@garymaya1767]

so this is how them chinese units are made?

[@breckr1121]

He did this for a school project and had no prior experience

[@kristianwhiskin1070]

This is 20ah 11.1v nominal voltage, none the less great idea really useful although 4s lipo would be more ideal for a project like this but would put you up to 14.8v but less strain on the batteries, for future projects that require soldering remember flux is your best friend

[@badmusramoni6771]

Yes , I think that I was only one that know that is 20ah , 20000mah That 6 battery with 10000mah is divided by 3 make it 13.6v , is 20ah Sorry for bad English, I clap for you too , he need 18 battery to make 60ah capacity

[@ДмитрийПонаехов-ь3н]

Задумка хорошая, но жуткий колхоз и пайка ппц просто...

[@millur1828]

пайка просто пипец...

[@lioshaleonidovich]

Пайка пздц

[@Garganella_g]

Ребята не будет судить человека,может он пропаял это все ща кадром

[@TheJUSED5]

@@Garganella_g нет, он спаял окончательно и заделал термоусадкой, но может он новичок и в принципе хорошая задумка, для нас зрителей это не так важно наверно

[@vladrodz1218]

бля, если бы Алекс гайвер делал подобное, то было бы намного лучше

[@dusnoki]

Amazing work dude.

[@excellentchannel6380]

Fake, this is not 60.000 mAh ... But like for work !

[@luckylarz4269]

Just like everyone of them Chinese power banks. Says 10,000mah and 20,000mah and there 4,000mah lol

[@Snow417]

Check video description

[@ThisNoName]

@@luckylarz4269 The Chinese deliver whatever you dreamed up, with the quality you demand, at EXTREMELY reasonable price ... but if you ordered $99 iPhone, quit blaming Made in China.

[@luckylarz4269]

But iPhones are made in China. Guess I don't understand what you're saying. I was just simply saying they lie about capacity I don't mind paying for a good product. I make my own power Banks because I have an abundance of batteries. I was just making a statement about the capacity. Nothing more.

[@TheFalcro1234]

Math is relative you can use it to manipulate anything! This is not fake he just didn't use your version of the "right" way to put numbers together. Stfu go sit in your excellent channel alone and in the dark

[@SidebandSamurai]

This is really nice. Would have liked to hear you describe as you assembled the unit, and as you put it together. Maybe the 18650 power supply how to will have this. I would like to know your reasoning for putting the power bank together and what it solved for you. Be careful with those LED meters, more often than not they need to be calibrated to a DVM (Digital Volt Meter) as they can be as much as 1/2 volt or more off.

[@demyhr]

Schottky diodes not schockely (William Schockley)

[@voldy3565]

No, schottky and schockley diodes are two different things.

[@demyhr]

@@voldy3565 Been an EE for 50+ years and have never come across a schockley diode. Schockley invented the transistor.

[@voldy3565]

@@demyhr Since you are an electrical engineer, can you tell me is this safe? If not, how can i make it safe? Add a fuse?

[@hidefhq]

Good Work but a little outdated now as mats are now $160+/- you can buy a KRTOTAI 230Wh/62400Mah Portable bank for $159

[@MrAlex3461]

No BMS, unbalanced charger? oops

[@ddegn]

Is the device shown at 0:30 used to balance the batteries?

[@MrAlex3461]

@@ddegn nope. The batteries are connected in pairs of two, then "balanced". It does state in the video the batteries are grouped into pairs of similar voltages when charged which helps but eventually because they are not the same voltage, issues related to them not being exactly balance will get worse.

[@ddegn]

@@MrAlex3461 LiPo cells wired in parallel will always be at the same voltage. It's very very common for multiple cells to be treated as one larger cell when charged. This does have the downside of possibly losing multiple cells when one cell goes bad but it's very common for systems to treat parallel cells as a single higher capacity cell. Balancing is needed when charging in series not parallel. Parallel cells don't need special balancing circuits.

[@MrAlex3461]

@@ddegn perhaps common, but not in my regard best practise. The system will however be stable, and what I said before now thinking about it could be considered incorrect

[@socrates_the_great6209]

Soon 1 million subs.

[@shortboss2158]

Could I just buy from you and you make another... What's your price

[@neutronpcxt372]

@@kralyn3d And another problem would also be shipping. Try to ship this via air for a good price. NOT CHEAP.

[@shortboss2158]

@@kralyn3d Honestly I never thought you would reply. I do indeed love the idea. You are very creative and talented, the concept you are bringing across can definitely change future technology for the better. The devices you have built seem so advanced and even have technology I've seen recently look rudimentary. I think I'll have a solar panel added to mine. We should keep in contact. Would you happen to use social media?

[@nicholaslabrecque]

@@shortboss2158 lol ignored

[@laurensguijt]

NeutronPCXT It Will take a solar panel (which fits om a power bank) like 1 Year of sunlight to charge such a big battery

[@Gabriel2.0]

Nice project. I've built something similar with 18650 cells from used laptop batteries. it is 55000mAh and can power on laptops and basically anything with an external power inverter connected to its 12V plug. might having a look for inspiration. Cheers!

[@electrovolk]

електрона часть- фігня. уровень- з говна і палок. корпус- при наявності 3д прінтера таки зазори?? да в моєї бившої і то дирка менша)