Scrap? LEAF it out! Here's how a 9-year-old Nissan LEAF 30kWh battery can be repaired. Part 2

This technology cannot survive, surely. Battery power is very volatile, the potential energy in the packs is most certainly very dangerous. The cell used to replace the faulty one was apparently not new, so what was the history of that cell? Presumably it is a cell taken from a damaged pack and it would be interesting to know how the donor pack came to be available. Had it been in a vehicle that had crashed in which case could there be unseen damage? I've seen many videos of battery packs going into thermal runaway and it's not pretty when such an event occurs.
Give me petrol power any day!

Very interesting!

Such an interesting video. Seeing the cell replacement from start to finish somewhat demystifies the process and shows it can be done if a car needs it. I can see why you’re pleased with this video. 😊👏🏻

Fantastic to see! Thanks for a brilliant video. Well done to all.

In 50 years mechanicswill be laughing at this ! It all looks VERY dodgy ,,,,,, 700 quid to replace 1 cell , i cant see anyone daft enough to buy an e car more than about 3 years old , but then if you keep it 3 years , nobodys going to buy it ,,,,, and batt tech will have moved on ,,,,, we are all just guinea pigs while tech catches up

This video speaks to me. It says, "Don't ever purchase an EV!!!"

It would make more sense to replace the entire pack as the risk of continued repair and or error during the procedure appears to be high. The labor would be a fraction with battery lifespan restored.

Good to see competent mechanics at work. Well done.

So what, if any difference did it make to the range ?

Good video, the only down side is when other cells start failing as they don’t all fail at the same time…so weeks or months later you repeat the same scenario.

Good video but it is a bit worrying that if one cell has failed presumably by age then how long before another one fails ?

Brilliant video - Just a quick one if some 1 can help me. I have Nissan Leaf 2011 which needs a battery replacement. If I get a new battery pack (like to like) and do a straight swap, would it require any additional programming ?

Excellent. Here in Brisbane Australia, EV repair is an emerging industry. I’ve been told I own the first BMW i3 sold in Queensland (I bought it second hand). Still going strong but I’m losing range slowly. I just hope EV repairs are embraced soon.

Netzero gloves 👏👏😎

I wouldn't touch a Tesla with a barge pole but this video is very encouraging when it comes to other marques. Well done lads.

Aren't you supposed to wear leather gloves over the special high voltage gloves ?

They look like they know what they're doing but takinh apart a HV battery without appropriate signage or HV gloves is still a recipe for disaster in my view. They're just touching it with latex gloves!

Once one cell goes down you can be sure others will follow. All batteries do this over time. Money pit

Might be an idea to get some legal tyres!!

Glad to see younger mechanics learning new skills to keep EVs going. Good that the pack can be accessed to replace a bad cell (unlike Tesla!)

i wonder how much this battery repair cost?

I really enjoyed that! It was a breath of fresh air after all the negativity surrounding EV's

With high 3 phase voltage present I would not like to involved in any car crash. EVs are not the answer

Did they charge for this?

Why do we not need those big gloves to plug and unplug stuff in the home????????? This is total bullshit and scaring people into not working on them them selves!!!!! It’s about 200 volt dc!!! The only high voltage is in the inverter that can be around 600 volts for the motor but you can’t get near that as it’s buried

very low range even charged to 60%

New module from second hand market?

Mixing new cells with old may bring up a BMS error showing an imbalance so does not always work.

How much?

The labour attached to this job is going to be significant. Evs are an early and unproven tech. Give me the purr of an ice anyday

Ev’s will only be mainstream when battery technology vastly improves. The big no no for me is the weight gain over ICE

Good video and very stupid background « music »

Does not their insurance company need to be informed as it comparable to changing a diesel or petrol engine, how long before it ignites??

It's amazing that once the warranty expires, the manufacturer doesn't do much to help you fix the problem other than replacing the entire battery.

Time for some new tyres ASAP.

Without knowing the cost of this repair it is difficult to judge its value as a repair and compared with repairs to an ICE vehicle. Could you tell us what the repair cost please?

Wow, Thats ancient tec, Cant beleive how deep tha cells are, New gen ones are down to 110 mm deep !

Here in AKL NZ we have a 2016 Leaf and an EX UK Transit Van of the same year , (80,000 Km on the van ) the leaf has never given any trouble, the Transit has cost thousands in repairs but I think we finally have it sorted now . The biggest offender has been the emissions control system i,e Add Blue , DPF, EGR and the associated wiring, Sensors and Firmware, its a nightmare of complexity that still seems technically immature with every part always seeming to cost units of at least $1000 ! . We had an add blue fault warning, the agent quoted $1200 for a tank sensor replacement and said if that didnt work it would be the pump at $2000 and if not that then the harness at another $1200 and if not that the "Module" @ $2000 and if not that the Add Blue fluid injector in the DPF at $1200 and thats just one element of the Emissions system. Meanwhile my old 2006 Toyota (petrol) just keeps on keeping on at 250,000 Km . Overall the EV has been the cheapest to run and maintain by a wide margin then the Petrol ICE and as for the modern diesel , the less said the better !!

Bomb disposal is safer than working on an EV battery

Manufacturers should be doing or supporting this type of work. Its not rocket science. They actually shooting themselves in the foot. So many wont touch EV because the perception that if there is a battery failure its 15 grand to fix when the makers are not helping manage this situation.

I am glad that you can repair down to component levels with these batteries. They could still do better to make the process simpler and more cost effective but it’s still a very immature technology that’s trying to catch up with itself after being pushed too hard to market.

EV's are never really going to get off the ground until you can do a reasonably priced part-ex on batteries.

Put it on a bench. Get up off your knees. You'll thanks me in 20 yrs time.

Were the replacement modules taken from a battery with similar state of health, or were new modules used? It is best to have a matched set of cells in your pack, vs. a few new cells mixed with old ones.

Brilliant video👍

child slave laber to mine the lithium in africa.

👏🏻👏🏻👏🏻

Everyone has been told it's doom and gloom when your battery fails, when cost to replace a faulty cell in a Nissan Leaf is no more than having a clutch and mass balance flywheel replaced in an ICE. More people should know the facts instead of the bad publicity.