biggest swollen battery i've ever seen!!!

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Опубликовано:

3 окт 2024

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Комментарии : 113

@StarJackerSRL 3 года назад

If you look at the mold on the wood shelf it is quite clear that the problem was water leaking from the ceiling on to the BMS.

@knoxieman 3 года назад

Ideas for video titles? Andy's gear got swollen and his palms got sweaty 😂 glad it didn't burn the shed as well, good to see you still have a smile on your face, top bloke.

@thedon22z 3 года назад

Awsome breakdown 👌 greatful to see you make the video. A good example of a unique failure!

@lj516 3 года назад

Some older bms systems have large parasitic losses and will shut off discharge but not the brain and that is what pulls the weak cells down to nothing

@Dave64track 3 года назад

I guess these things can happen to anybody thanks for sharing it shows you how dangerous batteries can be when something goes wrong.

@neliosamch3195 3 года назад

Yes, they need to be compressed. LithiumSolar channel has a good idea how to compressed these batteries. Four of my sixteen batteries pack are swollen too, so it must be defective chemical composition of these cells.

@cheesedoff-with4410 3 года назад

I look forward to seeing the new improved Andy Kirby power wall that takes care of itself.

@zjzozn 3 года назад

Other battery youtubers say you need to compress the batteries to avoid the sides bowing out x

@jec_ecart Месяц назад

Yes

@hhead56 3 года назад

Got to watch those battery's thanks mate.

@rahmanr112 3 года назад

“My cats” nothing else matters! 😆

@overgrownwithmoss 3 года назад

I think they should be fine if you try to recharge them. Dead and puffy lithium polymer cells shrink a bit once I charge them to about 3.7V, so these might shrink too. LFPs are generally safe, I accidentally charged mine up to 4v per cell and it was fine. No signs of puffing even though it was pouch cells. But still, 3.65v limit is there for a reason. Edit: Your cells might not have gas buildup but layers expanded. This happens with these big cells as you use them no matter what (granted, the expansion is typically several millimeters after years and years of use), this is why you need a case to keep them from expanding.

@mickgatz214 3 года назад

Great video Andy! I liked the bit "the Ex's oil tank is probably empty" LOL

@jec_ecart День назад

You should try charging them outside and see how much capacity they have.

@FlyingFun. 3 года назад

Lifepo4 cells might be ok still, I would try them carefully outside a number of cycles. But only use them somewhere you dont care too much about lol.

@knoxieman 3 года назад

Nah they are trash

@DIYwithBatteries 3 года назад

Nice video with cool lifepo4 stuff 👍

@Fpvfreaky 3 года назад

Good job it didn’t catch light mate🔥 could of been a very bad day for you, very glad it didn’t.

@Colinlynch612 3 года назад

The bms is always consuming the electric the smart bat protect is monitoring after the bms and can not control it .Hence the flat battery

@SuperBrainAK 3 года назад

well you are right, the BMS and battery protect are all still using some sort of power, and that continued to discharge after it was already rather low. So word of advice when taking a battery out of service, remove the BMS so the cells are completely disconnected. You could go one step further and disconnect the cells from each other so there isnt a higher potential across the batteries which in certain situations can even slowly discharge through the air or some other odd phenomenon.

@mickwolf1077 Год назад

You need a inline bms up to the task like any cheap pack has inside. Make sure you look after the 18650s.👍

@martprice7726 3 года назад

They just need charging that's all nothing wrong with them.

@lj516 3 года назад

If your cells had been compressed they would have vented. They seem massively puffed up but keep in mind how little pressure it takes to deform the case is maybe 1psi? I would be curious to see what would happen if you compressed them while puffed up to see if the vent is still functional.

@andykirby 3 года назад

Yeah I wondered this.

@BertAndSmokey 3 года назад

My hands are shaking...I love this shit though. 😂

@MrMuzza008 3 года назад

That happened to me too with some LifePo4 bricks like yours but smaller and each cell was down to 2.2v. I thought they were stuffed and just left them all disconnected. Some time later I noticed the swelling had gone down and so I tried charging them and they all charged back up OK. I have them in a compression setup up now too. I haven't capacity tested them yet, but they took a decent amount of AH to charge up.

@jhg-lm8fb 3 года назад

No worries. Just squeeze them back by building a wood frame with 2x4 and use them for another 10 years. If you read the spec it stated lifepo4 shall be compressed. My batteries looked like that when they were over charged and I was fiddling with BMS a winter day, didn't expect the batteries would overcharge up here in these polar areas a winter day (south Sweden). You will notice a slight lower discharge rate but capacity will remain same.

@Sylvan_dB 3 года назад

They may well be recoverable. Not to their original capacity, but usable. They would have likely faired better with compression, or else the pressure relief (the little fitting on top between the terminals) would have popped. I'd put on some safety goggles, a face mask, and strap them together to apply some moderate compression and start them at a low charge current to get them up over 2.5 Volt

@adrianthomas4660 3 года назад

A Great Vid Andy ... excellent ! I’ve learned something .... stay old school 😂 ........ when I moved here I broke up my solar power batts sold em for the lead and I screwed .....er 2004 to 2018 life , Deep cycle marine ... I also enjoyed the maintainability... blimey big word I didn’t mind dropping the bat aid tablets in , and doing top ups , and cycle charges using a hydrometer etc ... I lost some to overcharge and swelled up too ... bummer.

@harrycrawford8517 3 года назад

You have to try to charge them! In a safe location of course. Will be great to see what happens even if it is spectacular.

@RolandW_DIYEnergyandMore 3 года назад

Nothing spectacular will happen. They will take charge as normal, just that the capacity degraded substantially. That's what LFP does when it is abused...

@peterhutchings6356 3 года назад

Wow. That is bigger than is should be, thankfully it wasn’t all enclosed. Had a similar experience with a goal zero SLA battery, it swelled and took the shape of the transformer and 12v socket next to it. Horrible sizzling noise and acrid stink. Time to replace I think

@ArthursHD 3 года назад

Shouldn't these be compressed for a higher cycle life? Guess not enough pressure. Were these cold charged?

@chris_mk5supra Год назад

how can your " bms" let them go that low? btw it's pretty safe, especialy if it's because of undervolt

@MrBaconinabun 3 года назад

Air Rifle (y)

@gasmanrus 3 года назад

I like your thinking. (Unless a shot gun is available?)

@Nayfun1 3 года назад

both are hard to get in the uk both need license unless air rifle shoots under soo much fps then you dont

@steebbo9460 3 года назад

Yes.

@BillyNoMates1974 3 года назад

makes me wonder if a Nissan Leaf owner leaves their car flat for 6 months, would this happen ?

@FlyingFun. 3 года назад

Yes definitely, I've seen videos where its occurred.

@BillyNoMates1974 3 года назад

@@FlyingFun. wow

@knoxieman 3 года назад

It can happen to any battery with a BMS or voltage meter connected even low power watt meter will drain the battery if left long enough

@oze-bikes4life663 3 года назад

Hey Andy, mistakes happen to everyone mate, the person who never makes a mistake has never tried anything !, therefore never learns from his experience. Thanks for sharing 😊

@BertAndSmokey 3 года назад

Expensive experience though 😎

@Nayfun1 3 года назад

glad you are ok even tho they battery's are safe

@kevinroberts781 3 года назад

Those batteries will charge back up

@offgridsolaruk843 3 года назад

Should be compressed Andy, but not sure why the Victron protect didn't shut it off? 🤔 Were they being charged or discharged while you were away? Or was the system in shut down?

@peterjoseph2803 3 года назад

You're must have 20mm between every battery for heat dissipation.

@DavidWitkowski 3 года назад

Playing it fast and loose using a Swedish Nut Polisher to loosen those bolts, yeah?

@knoxieman 3 года назад

BMS- Battery Murdering System, stopped using them 14 years ago, always cell monitored on charge and just discharged to a conservative level using a power and volt meter, BMS would have been trying to balance the pack, it's also possible the disconnect relay was drawing off current as well, good to see you back in the shed mate.

@a-aron2276 3 года назад

BMS is normally powered through the bms lead (and the battery negative is some but not all cases) mine only needs the balance leads. Normally, i almost got caught myself with a pesky bms, they were down to 2.8-3v on ncr18650pf cells, I can't remember exactly but what I do remember is thinking"oh shit, get those charged ASAP".

@j.k4825 3 года назад

And that kids, is why you don't buy a seperate port BMS... Always common port.

@MrButuz 3 года назад

Can't discharge to near 0 and expect things to go well! Thats why an active BMS should always be used as the BMS will cut the load, and itself off to avoid draining to 0. What happened to your bats is not so much to do with not being compressed together, more to do with being drained to 0 and then charged again? Battery compression will "hide" the damage more, but the damage will still be there inside the cell.

@brad146 3 года назад

Hi Andy. I've been running your 1500w ebike kit for 7 months now and it would be great if you could do a video on the best way to look after the battery, I.e. charging and setting up the handlebar computer. I've done close to 2000 miles on it , using it for commuting. It gets charged twice a day and I notice a powe drop off when the battery gets to around 75%. The battery never gets fully discharged, but would be helpful to know the best way for longevity purposes. Regards Brad P.S. The kit is fantastic 👌

@IIIIIIPETEIIIIII 3 года назад

What about all the cold weather? Wont that have affected the way these batteries held a charge?

@mikejf4377 3 года назад

replace them with LTO's

@jec_ecart Месяц назад

2:44 the real Culprit is your bms. It did not work.

@AskIveSolar 3 года назад

🎆 🎇 🎆 🎇 Good luck with that!

@tonyross7376 3 года назад

Have you got the vapour in stock?

@MrChelseafc88 3 года назад

Slightly different subject but would you be interested in putting a phaserunner on my bafang ultra motor and how much would you charge?

@edwardtsang3243 3 года назад

Looks like the BMS failed and drained the battery to zero. Common issue as these protectors drain power on standby

@stuartdavies8388 3 года назад

Shouldn't they be under compression when in use?

@theonlywoody2shoes 3 года назад

The Victron battery protect still consumes around 0.7mA even with the link removed - the only way to fully shut it down is to pull the connector with the ground lead out. I know it’s not a lot, but even the smallest “drip” drains a tank in the end. So sad to see those “blimpy” batteries, I’m sure they had loads more life in them, had they not been damaged. 🔋🔋🔋👎👎👎

@marsrover001 3 года назад

This is why we compress lifepo4 cells. They NEED to be held tightly even for normal use.

@andykirby 3 года назад

Interesting, did not know this, they were running fine for 3 years+ it only happened when they were deep discharged.

@EverythingEbikeChannel 3 года назад

Can tell you had bolognese for dinner mate 🤣

@andykirby 3 года назад

Tomato ketchup 🤣

@chrisfryer3118 3 года назад

couldn't recover them, then. Your shunt sucked the power up. Should have stuck a small panel on it.

@MistaTerps 3 года назад

They killed themselves 😂 👌

@wojciechzgodowski 3 года назад

Just open the valves press on the side get it back to normal. Put the valve back on. Get a piece of long wires. Leave them outside away from buildings and keep using them. 🤣

@MrTrackmaniafan 3 года назад

I had a bms one day, that became hot cause it consumes battery power.

@HC4L666 3 года назад

They need to compress it

@tbone798o8 3 года назад

Andy I have an idea and I need guidance.

@rjadventure15 3 года назад

It does it to my battery, can I use again?

@gerardjachymiak5822 3 года назад

@boastyy 3 года назад

If you needed to dispose of those batteries, how would you go about it as they are obviously in quite a dangerous state at the moment.

@thomassharwin5310 3 года назад

Submerged them in a liquid that it kills them

@boastyy 3 года назад

@@thomassharwin5310 Nice one mate, good to know.

@R.-. 3 года назад

What liquid? Salt water? Does it depend on the battery chemistry?

@Laser2120 3 года назад

If you need to dispose of lipos safely. Discharge battery (yours are clearly discharged) get a bucket, fill with salt water then leave them in it for 2 weeks. They will be safe to chuck away in the bin they don't contain anything nasty that didnt come from the ground in the first place. As for them big bad boys you could take the cells out after the salt water thing to dispose of the plastic box sensibly

@SKBKER 3 года назад

It's swole

@thomassharwin5310 3 года назад

Knew it built by you 😅😅🤣🤣🤣🤣🤣🤣🤣💥💨

@chargeriderepeat7024 3 года назад

Not good at all Andy, they werent cheap batteries or cut price electronics. Thats a very dangerous situation with pretty nasty possibilities. Questions need asking.

@yoking4925 3 года назад

you have to buy a good BMS that cuts both charging and discharging at too high, low voltage of the battery, then you can save yourself this misery. Be glad they didn't break because that doesn't make you happier. Cry out and start over, good luck.

@andrewradford3953 3 года назад

Had a couple in a 17s 200ah per cell pack get badly pregnant while under high load. Scares the crap out of you, especially how hot they get.

@AJB2K3 3 года назад

i had 12 18650 packs die due to bps failure

@TheMFrelly 3 года назад

Charge them with very low amperage and they will come back to life...

@HubbHubbs 3 года назад

Andy dont leave those cells out in the rain! Let me know if you'd like to get shot of them! I'm only down the road.

@mrmatt8949 3 года назад

That was painful watching you do that with an adjustable. A ratchet spanner or socket would’ve been much less faff. 😂

@andykirby 3 года назад

Unfortunately my tools are spread across multiple places at the moment.

@interestingspagetti 3 года назад

Charge them up. They will be ok ;)

@the.communist 3 года назад

I understand zero

@360ontherun 3 года назад

Wow!

@jordandonald1886 3 года назад

I have been emailing u and im getting ignored??? I have broken my controller

@andykirby 3 года назад

Sorry, super busy on the emails. We will answer Monday.

@jordandonald1886 3 года назад

@@andykirby thanks i have blown my controller

@frankz1125 3 года назад

If you used a proper bms that shouldnt happen. Hopefully you will learn and teach people the right way to build battery banks.

@funkymonk4688 3 года назад

You have a channel, you do better mate.

@pau1phi11ips 3 года назад

Surprised you can reach the keyboard from that high horse you're sat on Frank.

@frankz1125 3 года назад

@@pau1phi11ips not a problem. It really disappoints me someone that gets so many views teaches people wrong or promotes faulty equipment. I see lots of big RU-vidrs doing this. Sad.

@andykirby 3 года назад

Wow 👏

@foreverhungry84 3 года назад

all hail frank, king douchebag

@gareth800 3 года назад

Swollen Battery means u need a new battery would get rid of it because Swollen batteries, while not common, are a significant risk. They are the result of too much current inside a cell of the battery, which causes a build-up of heat and gas This can be caused by overcharging, manufacturer defect, deep discharge, or damage to the battery take them back to where u bought them to see if u can get a replacement they should be covered under the 5-year warranty on them would replace all the parts and wires something is causing it to become damaged....