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This video was brought to you by Steinberg a better world planner Mr Green Camp power and Marcus Beale Yo what's up we are now back here at El Bilmek and this is Voldemort and I guess This would be the part two of the the Leaf battery repair video so it's been a While I guess you had some vacation and Then Um yeah so team things took a little bit Extra time Uh I I yeah I think it's maybe because Maybe you you just you you were working On this one in your free time right or Something left over time yeah we've been Working on free time and we was not Successful he was not lucky to fix it at The first time uh so I can tell you that We changed the one cell which is was uh Bad then we changed one one two one more And see if that it's also bad And then we thought what the hell so Started to find out and it it looked at The that the BMS actually was the Problem So it was measuring uh wrong Voltage on the on the cell and it was Calculating a little bit wrong state of Health So It took a little bit more than we Expected well so how many cells did you Replace now one or two we replaced the Same cell two times but you get I mean
You got a new replacement from the Supplier right yes okay so you only paid For one cell yeah people just one and Then what about the BMS then where did You get that from uh a BMS I got it as a Present from the same supplier okay if The BMS okay yeah because they don't use Them okay but normally how much does it Cost for the BMS I think that uh roughly 12 000 if I'm not mistaken because there's Nook maybe maybe it would work about I Think Approximately that with the work you Guys see that The BMS is worth almost more than the Whole car here this is a very expensive Hobby yeah but okay but we're just doing This in the name of science so one cell Has been replaced the BMS has been Replaced the car has I think it it Should be at 100 it's charging now up on Shoot oh no actually yeah So it should be close to 100 so from What I remember earlier it had around 12 Kilowatt hour and then it just happened To also be another blue car not the same One but the one I tested for musk has Been had 16 kilowatt hour similar age so This one had low state of health or low Kilowatt hour because of some beers BMS Problems and some cell problems So I I told volama to not tell me how Many kilowatt hour has because it's
Going to be a surprise so I hooked up on The OBD we're gonna check on Leaf spy And see If we managed to replenish yeah it Doesn't work like that but yeah let's See that so I'm actually quite excited To see me too Oh look at this wait we have one two Three four five six seven eight ten Wait 10 out of 12 bars plus the car is Now fully charged or is it 78 kilometers On the gone whoa Wait Now I see on leaves by It used to be 12 something kilowatt hour Now it's 14.2 so we have restored some Capacity or yeah Um so you get roughly two more kilowatt Hour it was not as good as a 16 kilowatt I remember maybe the other one I I Measured was in mint condition for for Its age so it seems like okay This is it I guess the rest of the Battery pack is at 14 maybe I mean they Are in synced now right Wow okay so um Not what I was hoping for I was hoping For 16 but maybe that's not realistic Some cells they are just degrade and More or I'm not sure like yeah almost I Don't remember but look here you know Some cars are just nastier than others And there must have been abused you see The blood
And maybe the battery has also been Abused so you can only restore this much You you just have to make sure that all The cells they match or I mean the Miswitching season more stuff Wait do we have data yeah we have data Um here okay yeah it seems like All the cells have been mostly matched Not anywhere the uh poking no spikes Here there so I guess that's it Did they reset the BMS I'm not sure But still the health is now 72 oh sorry Instead of hell is 72 percent now hmm I guess this is yeah it's but this is Also weird State of charge claims to be 85 as if You can't go 200 I'm not sure if you see Right now it's charging at 300 watts Here Uh will it eventually go to 100 I mean It's gonna take freaking forever Because they have a heavy housing Screenshots from uh earlier let me see Was this before after this is final Final okay this is after yeah this does One this one should be the same as we Have here the live data uh this one here 45 millivolt uh Delta and instead of State of charge is 85 but now this is 85. okay yep all right but then we have Some other interesting one this is a This is also after repair but when the Batteries is discharged 3.5 yeah so
What's interesting that those two cells Are one model that we replace with two Cells are at the at the bottom are Actually the highest now so we replace One uh it was one like uh piece right Yeah and then that one that box contains Two cells yeah so that well so this one So if you compare this versus when it's Full then it looks like the voltages are Similar actually slightly lower than the Other ones the red one but here it is a Lot higher so the these two they they Have more energy yes than the rest here Correct they need to give up soon Oh So the thing is that if you want to make A battery even better so next then we Have to replace this model maybe this One this one this one this one this one This one so Actually uh Timothy clumps really Expensive really expensive and the Question is how much better the battery Will be what it would be if we would Replace those cells yeah because we see Now that with the with this one uh it Was just a little bit better so if you Replace these ones maybe you you didn't Certainly get a 0.5 kilowatt hour more Which is not that much it starts Becoming very expensive for uh I can Show you here the live data for how much You're actually getting Kilowatt hour here
But in totally I was actually quite Surprised because before was 65 state of Health and after replacement just one Model is 72 or 73 uh approximately so I'm very surprised how Good the result it can be just replacing Oneself and actually I don't believe That we can do it on the on the other Batteries I think this is like one of The hundreds hundred cases where it's it Can be such a good repair result Here this one force repair so this is to Sell you oh is So this one was okay-ish but that wow That was bad but was this because of the Bad BMS or was it actually the bad self Yeah actually it was uh BMS fault and Probably it was discharging uh this Model because when we replaced uh this Model it was balanced uh exactly at uh 4.0 yeah 4.1 approximately zero seven But uh after maybe two charges sort of Standing outside for uh two three days The voltage started to drop down And that's why it's supplier I say Advised us to try to replace the BMS Because it's like The cell was good also the actually so The BMS misreported this one yes oh I See so I think that's it we can get Roughly 14 kilowatt hour from this Battery pack it seems like it has been Abused a little bit
Yeah Yeah I think this is it we cannot push more Of that as I told you I'm Very surprised how good and successfully Repaired is I was expecting maybe a 0.5 Or maximum one kilowatt out of of one Bad cell but it seems that it's what we Got two plus two kilowatts in total Around two kilowatt hour more yeah so I Think it's very good but I don't believe That we can do it on all other cars Maybe because it has driven not so far Was it 87 000 kilometers yeah range so It was uh quite uh good I think well I Mean for me it was very insightful and Very educational you see that you know That one cell or the one module that is Not two kilowatt hour we added it was Just that that bad cell pull everything Ever the rest back and then once we get It right then it's like it's like a Bicycle team right if we have one guy Who's like the rest of the team must Also be behind with that slow guys if he Just Exercise take some steroids and then he Can follow the rest of the team Something like that a very good example I think I like it But but when it comes to I have to ask Because I think this is what people want To ask us is that like for cost
Perspective Is it worth it I think that uh unfortunately it's not Worth to repair it but um You know some people get very attached To the car and they don't say don't feel To buy a new car and just want to keep Open so maybe just in this case but okay But it seemed to me okay in this case we Had a little bit bad luck with the BMS If the BMS was okay and we only needed To change one module then the biggest Coaster is actually a labor of taking Out the battery pack and so If it's not BMS I think then it's worth Actually okay I think so Yeah so this is again very educational And then I guess if you guys are looking For a used leaf and you find something Like this I guess I would recommend to Just hook up Leaf spy yeah you go to the Salesman tell him to or him or her to Charge a battery to 100 and then you Hook it up and you should give a pretty Good indication and then either you back Up Or you go for it if you know some Workshop Yeah I agree yeah very interesting and Then eventually I need to decide maybe I'm not sure about this video whether I Should buy this car or not because I'm Going to get it fairly cheap because It's in the freaking nasty state
Yeah I got a call from Marcus and he said if You take the leaf he will install you a New Skin black interior in it ah he wants me To oh [Music] Okay okay he wants to do some Extreme Makeover okay okay I'll I'll consider it We'll see but at least this part was About the battery repairs so thank you So much for taking the time And the money to do this I was glad to to work with you and to Experiment and look how how it goes Okay so anyway um if you guys have Questions you can always ask or you can Even contact UM So I think that's it but This might not be the last thing you see From this Leaf we'll see so because yeah I just remember something one thing that I haven't tried yet Is to DC fast charge it see how it goes Yeah Okay but uh uh they're undercarriage and Everything uh it's not replaced yet so But yeah I think that's going to be it For now yep so um I hope you guys Enjoyed this video as always thank you For watching and talk to you later
Electric City Vehicles and New York City
Tesla Ford GM Power Manufacturing
Electric vehicles are powered by rechargeable lithium-ion batteries which provide the energy needed to propel and operate the vehicle. They have much lower emissions than fossil fuel vehicles and are able to recharge with clean, renewable electricity produced locally.
In the US, the EV market is expanding rapidly. EVs can be purchased for about the same price as comparable gasoline cars and are significantly more affordable to own and operate than conventional vehicles. They have the potential to significantly reduce our dependence on foreign oil and are a key component of our country’s energy security.
Early EVs were electric-powered versions of existing cars or trucks, but manufacturers now have vehicles that are designed from the start as fully electric, with longer ranges and vehicles that are more aerodynamic for greater efficiency. The NIO ES8 has a swappable battery pack, and the BYD e6 can recharge to 80% of its capacity in 15 minutes.
New York City has taken steps to prepare for the EV transition, including growing the city-operated fast charging network and equipping 20 percent of spaces in municipal public parking lots and garages with Level 2 chargers by 2025. The Mayor’s Office of Sustainability and NYC DOT are also working to expand access to home charging stations in the five boroughs. These efforts will ensure that New Yorkers have the resources they need to get started with EV ownership and make the switch from gas to green.
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