DIY Mini Power Wall | MakerMan
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- Опубликовано: 22 авг 2024
- My latest Powerwall modular. • Modular PowerWall with...
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Made my first power wall using old laptop battery which are new battery but from an older model laptops. This is my first experiment to power wall builds. The whole build took few hours. Next would be a much bigger than this.
40 cell charging station for 18650
• 40 Cell 18650 Charging...
40 cell capacity testing station for 18650
• 40 Cell 18650 Capacity...
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• Ghost'n'Ghost - Spooky...
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You must be check capacity from all cell, then you can group it. You must all series pack the equal capacity! 4.4V is dangerous for 18650!
all cells have 11,7 from charger and 4,2 4,3 and 4,4 on single test? so what is wrong :D
Bravo! Another super fabulous build, simple, elegant & beautiful layout, monitoring & use ability. I got a glass crazed solar panel very low cost,, planning to stabilise with non yellowing epoxy & build a storage system to provide power for various out door projects, lights, security, deer ultra sonic deterrent etc. Now leaning towards something very like you created as it does everything I can currently imagine I would need. Thank you for sharing!
+Springwood Cottage thanks buddy. Glad you liked it.
Really nice! I'm going to try your technique next time I open a notebook battery. :) Anyway, you should test every battery capacity before hooking them up together. ;)
+MC's Creations thanks buddy. Yes, I am waiting for some capacity testers.
The battery are old but new battery's never been used, all holding 4.0v above voltage. So I just went for it :)
MakerMan Oh, nice then! They should be great! :)
My friend! Some may call you a person from a country of 3rd world, but from what I see in your videos, you are miles ahead from many lazy europeans and americans! If everyone around is like you, you will rule the world! Congrats, you do an outstanding job, your hands are golden! :)
Thanks buddy, for your awesome comment.
Good work, but just wanted to flag one thing.
Once the batteries become hot (charging/discharging) the hot glue will melt and they will fall out of the board
Yes, I have the same concern. But so far no issues. It was just my first attempt. So I just did a quick solution.
@@MakerMan Good work mate , keep it up
Thanks buddy
yes zip ties will be better
I don't think the heat from the battery can ever melt the glue
Pointless to separate the parallel packs. That was a free balanced set. No capacity testing, IR testing, repackr…lucky to get 75% usable capacity
BMS not working, overcharged groups. Jesus
Wow very cool to show the basics in action! It should only charge to 4.2V max, better a bit below for better cycle life.
I just wish there was a cheap BMS and balance charging circuit that can be monitored over bluetooth to easily make smart batteries with. Smart batteries are important but they are way too expensive and I think the problem is the lack of a simple circuit board to just connect batteries, have enough power, have BMS and charging in one AND be able to monitor your BMS and battery for problems.
+Dejay Rezme thanks buddy. U could connect voltmeter and ampmeter sensor using an Arduino with a Bluetooth. So u can monitor.
Oh right! The monitoring part is actually fairly simple.
great build. 4.4 volts is over-voltage for 18650s, you might wanna investigate. also using solder as a bridge... you could've easily made the wire a bit longer, or decreased the gap from battery to terminal. solder is intended to make a conductive connection, its nor rated like a wire for current.
True. This was just a first attempt. But it still works like a charm.
Next power will bigger and better.
Thanks for your awesome feedback.
Maker man! Good stuff but this is really unsafe to mix cells and have no isolation or safety it can start a fire.
This is just first prototype.
nice work 👍
Thanks buddy
this is my kinda diy! nice vid thx man!
I wondering if you could build those 8 holders for me...wanna buy for my caravan..
make a powerbank at least it would be small to...
You should do a bot of research on heat and cels and dont waste a lot of money onebay to just dtick on cardboard,these things are delicate unlesss you have lots of money but you wouldnt be asking for money would ya...good luck
40 cell charging station for 18650
ruclips.net/video/8sAUgDQPu1g/видео.html
40 cell capacity testing station for 18650
ruclips.net/video/NR6iTFHEhfo/видео.html
hola excelente como es el circuito para medir C1 - C2 - C3 ? Gracias
NOTE! Used laptop batteries are often discarded because one or more cells have been either damaged or cant be charged to its full voltage. And a power wall is never stronger than its weakest link. If one of your batteries cant charge up as fare as the others all of the batteries suffer. Measure your batteries well and test them before throwing them together in a wall. Check out "jehugarcia" he talks a lot about it in detail :)
True but this was just an experiment
im sure he tested the cells before grouping them.
Yes
May I ask, why do you need a wall of 18650s?
galing mo naman sir
?
Pretty! But very scary. Not much done for isolation. Just don't touch the wrong spots. ;). Good job.
Hehe my first attempt. Next one will be more proper than pretty.
It's only 12v you could lick the thing if you wanted 😀
drwhowhogrub !
I'm a new electronics student, and knowing that we used to lick 9volts but my lawn mower battery is supposedly "dangerous" is what sent me down the rabbit hole!
It's DC no worries until you hit lick 70V and high current that's when you'll get 2nd degree burns at least for me I've been shocked many times and I used to work on lines and panels, but it's different for everyone. And yes don't do this you will definetely start a fire, this is a junky power wall. Watch jehu not this,
@@drwhowhogrub3908 ya i. was going to say only 12 dc ,but unless you want yout heart to murmor ,i wouldnt give any electronics the tongue , unless your a pro and understand electrons flowing so much better in water especially feet firmly planted
Nice vid bro new frnd her
Thanks buddy
Hi MakerMan, very nice video, Can u pls post d diagram for one volt meter with 3 switches
Thanks
Sure
Nice job but put small pieces of strips to prevent cell from falling
Thanks buddy. Yes good idea
Can you add parts list on description. Thx
Sure. Soon
Hi there! Great way of repurposing old laptop batteries. I had two old laptop batteries and repurposed then to 3s2p with the same BMS . I want to build a 100 Wh battery 🔋 with these old laptop batteries. It seems u have bought those old laptop batteries. I would be greatful if you provide the link for the purchase of old laptop batteries ......... ! I think the wire you used to connect the batteries doesn't handle too much power. I used AWG17 wire (1 sq wire) :-)
Happy building !
Waiting to see more :-)
Good luck !
Thanks buddy.
I bought them locally from a computer shop.
for this type battery charging (18650)what solar charge controller which is better? PWM or MPPT and what brand do you recommend?
MMPT is 90%-95% full charge, while PMW is 80% full charge. Choose MMPT for solar charging.
Total voltage is 11.7v and c1,c2,c3 voltage is more than 4v why?
Volt meter different type...I also same...
No capacity test?!????
Nice editing. You did not test the battery capacity or voltage ? !
I did
40 cell charging station for 18650
ruclips.net/video/8sAUgDQPu1g/видео.html
40 cell capacity testing station for 18650
ruclips.net/video/NR6iTFHEhfo/видео.html
It doesn't matter, everyone already know capacity test. Testing each pack separately on voltmeter is another lesson for many viewers here.
Yes
Not positive about this but I’m pretty sure you aren’t supposed to solder batteries directly. Nonetheless nice video!
done properly, does not hurt them in the least.
Spot weld is the best way to go, if that's too pricy don't solder straight wire just solder nickel ribbon at high Temps to the battery
@@benlogic8592 no he done it good the solder wire acts like a fuse ...
Ali I've been working on electronics for all my life and been an electrical engineer for 30 years, the wire does not act like a fuse mate, while yes a fuse is essentially a wire that opens under load, but what your saying is the solder "wire" will act like a fuse? The only way that would happen is if the solder connection could be opened, only way possible is if it were melted and if you aren't melting it something is wrong with your batteries and you should call up your insurance asap as your house is about to catch fire especially with a powerwall like this. I suggest watching jehugarcia on how to PROPERLY connect 18650s, great scott also has some content on this, when you solder directly to the batteries you are increasing resistance and losing power.
Im positive you can solder whatever as long as vents are open an dont touch cap to side.Seen in almost every single diy unless arc is used
What is a powereall
It's a battery for your home, it's cool when you have solar panel
What are the total components that complement your project.??🙏🤝
Check out my new Powerwall Video.
When the next version?
Not sure. But in the near future.
I am waiting for some more batteries.
Stay tuned.
This cannot be good he didn't show on how he checked the capacity of these batteries if he did
Hmmmmm have you not learned enough of capacity check before now?, He thought other ideas and never mention capacity test here, others have already done so. I learned how to check each park and that is enough benefit
Great video! I'm subscribing.
Thanks buddy.
One thing - that BMS is a total crap.
True
And, you did NOTHING when it comes to evaluating the cells.
Great...
I did
what kind of charge controller is that? is it specially designed for lithium batteries?
It a BMS
MakerMan i am not asking about the small circuit, i mean the yellow charge controller
I am using a solar charger which is pwm
MakerMan oh pwm? am afraid this will over charge those lithium cells above 4.2v unless there is custom voltage setting.
That's true but with a combination with BMS it fine so far.
Dude hot glue? You know how much these batteries heat up?
And solder? Most of the time the battery connections are spot welded.
Nice next version will be.
You didn’t mesure the capacity of those batteries.
Yes
40 cell charging station for 18650
ruclips.net/video/8sAUgDQPu1g/видео.html
40 cell capacity testing station for 18650
ruclips.net/video/NR6iTFHEhfo/видео.html
Hi, i'm new to this powerwalls ! Planning to build a 150aH , 12v Power pack. Problem is, I've a 30A Solar charger which is meant for Lead-Acid batteries. Which charges the lead-acid battery at 14.28V ... How can i use this to charge my 12.6V, 150ah powerpack ?? Please guide me!
If your solar charge controller is flexible enough and will allow you to change the charging parameters then you can change your HVD and LVD to suit lithium-ion 18650 say in 3S configuration. I have done that apart from having a BMS connected to my pack
True
how you buy old laptop battries. please send me a link to buy them
I bought locally.
Which charger u use
What ia the price of old laptop battery ??
Very cheap, around 1$ per laptop battery.
@@MakerMan can you send old laptop battery in india i will pay for it
In which website we get these old laptop batteries
I got it Locally
What can this mini powerwall power. I have been looking into solar power for a wile and have a little experience with wiring diagrams and 18650 batterys but woild like to learn more.
Current in am running 13led lights outside of my house at night
MakerMan what are your opinions on solar panels. I have found these 2 i like flexible ones. GIARIDE Solar Panel, 18V 12V 100W High-efficiency Monocrystalline Cell with MC4 Connectors Flexible Bendable Off-grid Solar Panel $159.99 . Dokio 100 Watt 12V/24v Monocrystalline Flexible Lightweight Solar Panel for $129.99 .
Go with dokie
what kind of led lights ? spot lights ? how many watts ?
Yes, what kind of LED lights please. Nice build. Great vid. Keep up the hobbies
Can I get a full information about this sir
It simple. Just look into 18650 articles. also I will be posting more videos in future.
@@MakerMan ok sir is it working successfully
Yes I changed few cells.
I am planning to build a new one, so stay tuned.
Thanks
Can u pls post d diagram for one volt meter with 3 switches
Sure In s while. Busy with other works
where do you buy the battery management system
AliExpress
C3 4.44v?! Looks like bms doesnt bms
It does.
MakerMan but it dosent look like
where to buy old laptop batteries ?
Local computer shop or best option will be scrap yard
What BMS did you use?
Module name: 3S 12.6V Li-ion Lithium Battery 18650
MakerMan how many amp? 20A?
untested at all 🤮🤮🤮🤮🤮🤢🤢🤢🤢🤢🤬🤬🤬🤬
I was a newbie back then see my few latest battery pack build.
I hope you will like them.
Are you black or Indian?
worst most stoupidest thing ever 🤬🤬🤬🤬