Destroying A Electric Car Battery Charging to 100 Percent
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- Опубликовано: 25 июн 2024
- Today we will be talking about how electric cars work, In this video we will be looking at how do electric car batteries work. Does charging to 100% damage your battery? What's the safest charge percentage to leave your car at? All these questions were answered also i look at how the BMS (battery management system) helps lock out the true battery SOC (state of charge) from you the user, we also look at the percentages each manufacturer lock out. I hope your enjoying this series of how does your electric car work!
Can You Destroy An Electric Car Battery Charging To 100!
Destroying A Electric Car Battery Charging to 100 Percent
Some small corrections the battery won't charge PAST 100 however holding a TRUE 100% charge for prolonged periods causes wear on the battery
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TIMELINE
00:00 INTRO
00:44 What's BMS
01:44 Example For Video
02:39 Charging To 100% Damages
03:15 Going below 0%
04:22 Your Car Locks The Battery
04:53 Who Locks How Much
06:10 Charge Slows As Its FULL
06:39 Examples Of Lockouts
08:58 Going Past 0%
10:20 What If You Charge To 100%
10:25 Euan Corrects The VIDEO
11:34 Charging to True 100%
12:46 Phantom Drain
13:05 Storing Your EV For Long Periods
13:58 Summary End 
Авто/Мото
Life’s short. Just charge the way you want and enjoy it. Don’t overthink charging.
My friend just ruined his Nissan EV engine just by charging the battery. Will cost $9000.00 and he hasn't had the car even 2 years yet! He doesn't understand how it happened. But that's enough to prevent me from buying any electric car.
@@alamedavigilante should be covered under warranty after 2 years. Am I missing something?
@@alamedavigilanteHow does he know that charging was the problem? With ICE, too, occasionally bad engines come along and have to be replaced. Anyway, as the other commenter stated, warranty would’ve covered full replacement of your friend’s battery.
@@alamedavigilante I won’t buy an electric car because my friend is an idiot? Do you put antifreeze in your gas tank? No because you aren’t an idiot. Operated properly an EV is known to last 300,000 miles. BTW Nissan has or had the worst battery management and protection system in the business. Also batteries are warranted from 7 to 10 years and 100k to 150k miles depending on which State they are in
@@rcpmacTesla batteries from 2017 onwards are getting 420,000 miles before battery failure. 2024 cars likely 1 million miles. I think 80% daily charging when not going on a long trip helps a lot.
Useful stuff as always, Nick - thanks!
Glad it was helpful! This weeks video is even MORE helpful ;)
It's important to charge the car to 100% (indicated) occasionally to allow the BMS to rebalance the lithium cells, preferably before a long'ish journey that will return it to below 80% indicated.
YES Frank 100% true, Euans Pluglife televission
@@NicolasRaimo Got the tip from Euan thanks
Great information. It's important for owners to understand that "Indicated" 100% is not "True" 100%. All modern EV's have BMS's that prevent the battery from reaching a true 100% (the early Leafs did allow charging to a true 100% which likely contributed to some of the premature capacity loss issues). The BMS will instead provide an indicated 100% when the battery is actually only 90% charged. This is to protect the battery and greatly increase its lifespan. It is also true that to extend battery life even more owners should greatly limit DCFC and instead use Level 1 or Level 2 charging and charge to just 80% (indicated). This and discharging to just 30% (indicated), can greatly extend battery life. However, doing this continuously and never allowing the BMS to reach an indicated 100% will allow the cells to become unbalanced. During charging as the battery pack reaches near 100% the charging process slows way down while the BMS is actually performing cell balancing. This is necessary as unbalanced battery packs will allow uneven cell wear (degradation). To effectively keep them balanced with all cells being able to contribute most effectively to the overall capacity, you need to allow the BMS to reach 100% and allow it to fully balance the pack. It seems like it's taking forever sometimes but you have to wait until the blue lights on top of the dashboard stop flashing. What I'd like to know however, is how often balancing is necessary for optimum health. I'm presently doing this about every 1000 miles but would like to do it even less often if I could. Have any of you guys heard of anyone studying this?
By occasionally, do you mean every month? Every two months? What's the timeframe? I usually only charge my car from 20-80 once a week, so I don't know how often I should recalibrate the BMS
@@Tron-Jockey Good reply, did you find out how often we have to charge to indicated 100? I'm usually charging my car from 20-80 once a week-ish because my commute is fairly short (10 miles roundtrip)
Well explained, thanks for putting this together 👍
great video. I love all your videos Nick. Great work. We have a Renault Zoe. Its great people like you are so enthusiastic about EVs. I am too.
Glad you like them! Please keep sharing and spreading the word on my youtube channel and lets get more bums on seats!
All the way from Los Angles CA USA......Thank you for the information. I have a Volvo XC40 Recharge and you have opened my eyes on how the car batteries work. Great work!!! Cheers!!!
Excellent information, thanks nick
Glad it was helpful!
Nice video. Some people would run their gas vehicles down to almost out and then fill up to the top to reduce trips to the petrol station. That is exactly what you do not want to do with an electric vehicle.
Pretty simple. Try to keep the battery between 20 and 80% for most days. It is OK to go above or below if you are taking a trip but for day to day use 20 - 80% should be fine for most people. If your car sits a lot you might want to charge it to only 50 or 60%. Since most people charge at home or work daily you only need enough charge to do your daily errands. Slow charging at home is better than fast charging.
Cheers Nick very informertive
Glad you enjoyed it
Sensational video, thanks so much. Do you have any figures for MG in terms of where they lock out the battery at the top end? About to buy an MG4..
“Make sure it doesn’t charge below zero percent.” Are you sure about that part of the statement? I foresee a ribbing from Craig and Martyn on Sunday.
lol Charge below wrong word but the statement is true. In otherwords if you let it get to 0% it can drop below 0% as the voltage drops below operation this will SERIOUS damage the battery
Good advice 👍.
Great video Nick as all yours are. I have an ‘elderly’ Zoe (2013) which is going well and the battery is holding up well; leased of course. Relevant to your subject here, I had to leave the car for 8 weeks in February outside. I left it at 90% charge and on return it had only dropped marginally to about 86%. However the 12v battery was dead and the car was similarly! Fortunately I took your advice from a year or so ago to buy a Noco Genius ‘brick’ which did the trick and the car got going immediately with no ill effects.
What did the Noco genius brick do?
leo clarke it’s a battery boost pack
paul lyons ah yes of course
Hi I’m new to all of this EV stuff and am learning as much as I can before picking up my first EV soon. Would you mind posting a link to the Noco you have please. Thank you
Good video as always Nick, even tho I lost count how many times you referred to capacity as Kw, not Kwh lol!😂😂
Me 2 😂 you try do a 10 minute video talking about it without making odd kw kwh mistake ;)
@@NicolasRaimo haha, mate I just die in front of the camera it wouldn't be pretty!🙉
Almost as bad as writing Kw instead of kW and insulting Mr Watt 😂 (I'm joking by the way)
@@tusdardcart haha I never even realised that until now!😂😂
Thanks for the good news about the safety margins built into the car's BMS. I was feeling guilty about charging my Nisan LEAF PLUS @ a 3.8KW rate to 100% more times than intended. Doesn't really sound like that is such a problem since, as you have pointed out, it really is not at 100% and I drive it soon after.
Thank you 🙏🏽 excellent review, what about Mg ?
How you mean Faz? you mean when am i going to review the MG?
Good information, but no info given back to the question on the MG 4?
@nicolas raimo how much do the bmw lock out of the battery?
Thanks Nick, I am planning to buy a Tesla soon so your advice was helpful. Thanks alot.
You can use my referral link to get 1,000 free Supercharger miles on a new Tesla: ts.la/nick62063
Hi recently got a new ren zoe but having issues with overspeed alert. It has been selected but only emitts an audible sound when you are 5mph over the current traffic sign recognition. Can u help?
I have just bought the CX60 hybrid and i emails Mazda in Japan to ask this very question and they said the same thing about the top and bottom part of the battery can not be reached unless you left it at workable battery at zero. they told me it will never damage the battery by charging to 100% but this is workable 100%
From what I understand through a number of studies is that EV batteries prefer to spend most of their life at or around a 50% SOC.
See
Doing This To Your Electric Car Battery Will Damage IT!
ruclips.net/video/HSsNB0JC1Ig/видео.html
Hi Nicolas, what about pluging a BMW i3s everyday to a wallbox? I have not found a way to stop the charging below 100% other than unpluging it, but then the stand climatization will not work.
Just set a timed charge to finish earlier. If your charging and using it be fine this is only really if storing for periods of time
Any idea what is held back in a Vauxhall/Opel Corsa-e? Some say it's 45kwh available, some say 47.
I believe it’s 45 useable
Thanks Nic- How much do VW lock out in the ID3?
Hi Leo depends on battery check out EV database website for a good idea
62kwh battery
58kwh useable
93.54% by looks of it need to fully charged and check on a OBD device to see its split
Great video Nick, very informative. However, repeated use of “kW” instead of “kW-h” when referring to energy capacity is confusing. Also, I thought that Tesla doesn’t have any top buffer at all, with 100% being a true 100%. You might want to double check your sources. Tesla does have a bottom buffer, sometimes called an “anti-bricking” buffer to protect against the car being run down to 0% and left there for weeks. This often happened when cars were stored in salvage yards for months, completely “bricking” (destroying) the battery cells. You are doing a great service informing the general public about EVs, and I thoroughly enjoy watching your videos.
Yep sorry George watched it back and CRINGED at my kwh and kw misstake. Tesla 100% has a top buffer i checked with a Tesla tech its also documented on some forums and other big Tesla youtube tech channels
So it's best to charge according to need. I guess electric cars need charge scheduling software to prevent user mistakes.
When mentioning percentage SOC levels it's very important to mention "Indicated" vs "True" SOC. You throw around SOC percentages without referencing the particular vehicle. Storing a Nissan Leaf at 80% (if using the indicated or dash readout SOC), is in reality only 70%.
see video I did last with with Dr Euan McTurk
But would be a good SoH ? My Zoe 40 has 60000km and was at Renault dealer and they said my SoH was 93% I mostly charging daily to around 80% so daily SoC is 40-80 and weekly a drive longer distance and charging up to 100% but that is before the trip. 🤔
I charge our zoe to 100% every day SOH 98% 30,000 miles
BMS is the most complex management system of a EV.
Good morning. I very much enjoy your videos. I'm an old fart living in Spain, and some of this stuff would ordinarily be beyond me were it not for your patient explaining. I sometimes need words of one syllable to comprehend what's happening. But this is to ask for your opinion about when to buy an electric vehicle...say, a Zoe. I can't afford it now on my retirement income, especially since they eliminated the battery lease. But I feel really guilty driving my diesel Renault Captur. It's not just because I want to cut back my emissions, but I suspect the residual value of my diesel is about to decrease much faster with the increasing popularity of electric. And this argues against waiting for electric prices to drop, because the depreciation of my diesel may be worse. So I've been thinking of two possible solutions: Buying a used Zoe, or considering one of the Chinese entries that is more affordable. I'm smitten by the Intens and Zen versions of the new Zoe -- how long will it take for their prices to drop to say 15,000€? Would it likely be worth the wait? You've got a more experience and a much better understanding of these things -- could you possibly suggest a likely scenario?
Stephen in Santander
Am not really up to date with prices in other markets outside the UK so I can’t comment on how Spain prices would work. Maybe look at price to change now and include saving on fuel and other incentives your get driving an electric car like cheaper service’s, less brakes, no exhaust pipes to rot etc...
@@NicolasRaimo thanks!
Stephen , do you have solar in Spain that will reduce your bills more - there are cheaper Chinese cars for -£7-8K with a 33kwh battery coming to market - don’t give up you will get there.
What about the Hyundai EGMP platform?
What about it?
How about KIA? The new Sportage Plug-in?
PlugLife TV, the people ypou mention, say that 100% indicated charging is not only fine, but better for the battery , long term ..........not everyone wants to get geeky and cross-examine the real SOC .......
That’s not what Euan says there’s another video with him on this channel answering that question
That's a myth. The BMS in all EVs prevent the battery from ever reach full charge or full discharge, no matter how long you leave your EV on it's charger.
Irreparable damage, not unrepairable.
🙄
Does ac charger in cars using electric motor to convert energy from AC to DC ?
Yes your car turns that AC to DC for the battery
Yes it does, which is why Rapid Chargers are DC
PS last weeks video about plugs and AC and DC electrics maybe worth a watch
I know car convert AC to DC, but it is achieved using drive motor and alternator (which are used while braking) or separate electric circuit ?
@@MDPuma It's done by a separate unit called an inverter. The type used in EVs has no moving parts, it's all done using high power electronics. The manufacture might give the unit another name, like a power conditioning unit, but the generic name is inverter.
What about BMW?
I heard the best SoC to leave a battery for a long time is 50%. That 80% would be best sounds counter intuitive, when 100% is bad and 0% is also bad. Why would 80% be best then? To leave plenty of margin to lose charge and not go close to zero?
Anywhere between 50-80 is perfectly safe it depends HOW LONG your storing battery if many many weeks than 50 may be a better stand point but if just 2 weeks 80 gives a safe storing limit but also the advantage of some range to use when needed
Oh unless it’s a Tesla with sentry on then the 80 figure be better or longer as the phantom drain is quite high
You’ve missed out Kia & Hyundai both suppliers of excellent world beating cars! Why?
No reason I just couldn’t list every car so I picked some at random
Nicolas Raimo
I was feeling very left out 😢😢. LOL.
Do you have different colour eyes?
Maybe ;)
I don't understand the title
Please stop using the term Kilowatts as a unit of energy or state of charge.
It does my head in !!!
Use kWh or even Joules, calories or ergs or something that measures energy.
I did one kw but instantly corrected to kwh
Great video that explain in "down to earth" what's going on... and OMG, there is zillions of EV idiots that dont understand this - especially within the ID.3 & ID.4 owners..... but....do revise your info regarding LFP batteries - they are okay to charge to 100% :)
Why do you need to have muzac in the background. Is your talk so boring that you need it. Very unprofessional
why do you feel the need to put down others is your own life that sad?
Be a mess
You are repeating all the advices over and over again.