What is Battery Balancing? Quick tip #5
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- čas přidán 23. 05. 2015
- In this quick tip for the EVSHOW.com april episode we discus battery balancing .
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Best video to explain this concept I’ve ever seen. Thank you, sir.
Excellent. Looking forward to the continuation on bottom balancing. Thank you
Jehu, another excellent video. Excellent content, amazing presentation and outstanding production. Converting my 4th Vectrix to lithium, this time with Leaf modules, your analysis and advice is invaluable. Thanks, Eamom
I know it is kinda off topic but do anybody know a good place to watch new movies online?
Very good video again. I use with my e bike battery a balance charger and very cheap (1.7$ 1-8S) low voltage buzzer alarm. This is quite practical method for e bike battery.
INCREDIBLE explanation!
Hey i really appreciate this video. Not many people take the time to explain this stuff.
Nice cogent explanation, Jehu.
Bro is there a link to the next vid?
very good video, thank you!
Thank you 🙏 ✔️
Very helpful indeed 👍🙏👏✅
Thank you. Please add more videos
Great video....thanks
Very good video, simple explanation, easy to understand;)
Thanks
How do I balance the 3 parallel 18650 cells in series in a typical laptop battery pack?
My cells are 4.18, 4.06, 4.03V. You can see the problem with the 4.18, it makes the series reach 12.55 faster and laptop stops charging before the other 2 are full.
Thanks.
When I charge my 3s lipo battery after 2 hours one light is turn into green which mean full charge and after 15 minutes the other light turn into green too but the other it takes time to fully charged
I have a question. If let's say I have 15 cells the same capacity and internal resistance but a bit different voltage let's say voltage difference not greater than 0.03v. That means cells are not charged equally. So here's a question. If I'm connecting all 15 cells together by using battery holders or other all positive together , all negative together and leave them for like a day . Cells suppose balance themselves . Than disconnect them and you can make any battery pack you want . All cells will be balanced up to 1mAh. Am I correct ? 18650 connected in parallel will balance themselves. But be careful do not connect cells with great voltage difference ( they will heat up and might catch fire or explode.
Isn't there some cheap 18650 charging circuit / chip off ebay that you could connect to every single battery?
So I would wire a ton of some cheap battery charging circuit into the battery pack, and it automatically detects if it should charge or discharge the battery. To basically have a per-cell perfect battery charging system. Is this possible?
PS: Maybe with something like the TP4056 chip?
You inspire me to diy battery
Hi Jehu, from Philippines here, i love DIY staff like building mobile powerbank. Can i ask a question? can i charge 3 series 18650 battery directly to 12V charger? thank you and God bless..
super erklärt, vielen dank.
I'm on my 2nd battery in my Leaf ;-) My 2nd battery is now 30% dead ...Is there any way to rebalance batteries in a Leaf ?
I have 22 Cells of LTO Accus, 4 Cells of the Block are 0,1 Volt more then the other.
Which best method ist, to Balance this?
Lowest Voltage for LTO is 1,5Volt, highest is 2,7Volt.
hi did u have any idea for i have 4 pack 6s10p battery pack all pack series but ı dont want charge them seperalty can ı charge them series 100.8 volt charge like blunk charger ?
So it's best to bottom balance the batteries. Awesome video, thanks so much for the helpful information. (+1 : 256)
Safer to tip balance especially for home use. Will prevent fires and explosions.
Plus home use solar batteries are usually at full capacity since they spend the day being charged.
Bottom balance can help squeeze a bit more juice out. But overcharge is far more dangerous. Which is why most home use, use top balance.
Over discharge the cell just quietly dies. Overcharge and it goes kaboom..
Awesome
Me watching people watching a Li-pack go runaway: "WHAT are they DOING??? Pour some sand on that!! Get away!!! Don't breathe those fumes!! Mein Got!!!"
Try do diy why battery but i have problems with hardware devices bevause here in sudan
I got 95 lithium ion batteries of 3.7v each for my inverter. What device or where can I buy device to bottom balance the cells.
This is how I arranged the cells.
I connected 19 cells in series and made five stack of them. Then connected five of the 19 cells in series in parallel. Each 19 cells in series is 70.3 volts.
I want my lithium ion batteries to go so many cycles so I will never charge to the 70.3 volts normal capacity.
I want to charge it to maximum of 64 volts . For this reason, I think I shoukd not do top balancing rather only bottom balancing.
Is there any deceive I can buy to bottom balance my 95 cells or how do I bottom balance it?
Great video. I was not yet aware of top and bottom variations with balancing. My question to Jehu and the community is can all this be avoided if you protect each cell with a protection circuit? Or is this just ruled out once you reach these numbers of cells in an array? Thanks for the great videos Jehu.
What up Jehu,
I have two batteries I run in series to power my 48v ebike
30a controller. 1) 7s8p 2) 6s8p, they have balance wires. I charge them daily
with a DROK to 52v at 1amp, I also have some hobby chargers to (balance charge)
if necessary.
My question, do I need to bottom balance these batteries? And
if so, should I balance them in series or individually?
Any other information appreciated, and if you need more info
please let me know.
Did you find an answer? Do we have to balance on series or parallel?
Why cant you have middle balancing? Isn't possible to balance the batteries at any voltage?
Got it.
What about Battery Active Equalizer ?
Name of music in the starting of video?
I did balance my cells but they are loosing charge why this is happening
I have a question about bottom balancing when constructing a pack. How about bottom discharging each cell to 2.75 volts before building a pack .....then top balancing after the pack is built. As opposed to bottom balancing the pack after it is built ....which as I understand it would bottom balance each set of parallel cells to each other, but not each individual cell to each other. Or would you still need to bottom balance the pack after it is built before top balancing? Seems to me you should not have to do this ...since each cell has already been discharged to 2.75 volts. Your thoughts are appreciated.
You can either top or bottom balance, not both , Unless you have perfectly matched groups
OK ...thanks I believe I understand. I guess that is why I was trying to get a handle on discharging each cell to 2.75 volts, then build the pack and top balance it. Wouldn't this accomplish the same thing?
Question: if I charged every cell I have individually, would that provide the best balancing without having to purchase a hobby charger? Bcms are unreliable and can actually mess up your batteries altogether, so if charged individually, that seems to me common sense?
Bms,Best, bcm, sorry
Nice, simple and no ever-hyped, overexcited puke-positive shouting in you mic.
So my vape says imbalanced, are the batteries compromised or can I use external charger to rebalance them?
Had that problem before it just meant I had two different mah batteries I was just too careless to check
Much respect for you mister. What state do you live in.
Tennessee
jehugarcia you said your a self professed engineer, did you go to school or where did you learn the skills, especially about batteries, to make such a cool car?
You Tube. Cool
How can we apply balance charging for Toyota Prius HV battery module..
+Thiwanka Sampath Abeywickrama with a balance charger. Why do you want to balance charge?
I want to expand the lifetime of my prius hv battery pack.. So i experienced that we can get more usable capacity after discharging and charging the battery module one by one.. And also we have to balance it.. So I think its better to do the same for the internal cells of the module.. Am I wrong..?? Do you have any idea about this expanding lifetime stuff..
all pack has 6s bms
Great video and presentation ,
I almost left you need to cut your intro into under a 5sec short man people don't have patience to wait for that lonnnng story intro
I thought I was watching a add and try d to locate skip and by the time I realized it wasn't a add your video started lol
put your story at the end .
1:37 I'm switch, ok, quit asking me
did I get unsubscribed?
#READYSETGO #PARIS15 #SWD #GREEN2STAY
'Great Video,Thanks!'
Jaggu bhai
So many batteries do this to me smh