Electric cars?

[rederob]

Of course the car industry is asking for more assistance, if I was a vehicle manufacturer I would be looking for money to help with the transition of my business and look for anyone I could blame for the fact I can't make enough cars to meet demand.
That is logical, not political.

The car industries are asking for policies that are relevant to advancing the inevitable transition. That's completely political.
Where did any of them seek subsidies?

The third of the World that drives on the right hand side. is mainly made up of third world impoverished people i.e India, South Africa, which I actually alluded to in my post regarding the propensity of LHD vehicles are made for large first world wealthy consumers.
So really my case still stands the majority of manufacturing being built will be for Chinese, U.S and the EU LHD markets, despite disagreement.

Your point was about a small market for RHDs...

The right hand drive market is small on the World stage,

How are hundreds of millions of units a small market?
Attached to my point was the fact that this small market that you talk about includes a few hundred million people who are relatively well off and will be accommodated by production lines for RHDs in the usual way that automakers satisfy this demand. However, as repeated many times now, Australia has not been given priority by automakers so the majority of RHDs will be headed elsewhere until there's a major change in our policies or external demand is met.

 

[sptrawler]

@rederob Im using the phone so I will keep the answer short.
How are a hundred million units a small market?
Well it is a small market if the 100million have stuff all money.
Have you been to India? I have, the last thing they are doing is lining up to buy a $A 45,000 E.V
They would need a $A 40,000 incentive, so as I said earlier, the manufacturers wont be ramping up RHD production, while they are struggling to meet the demand for the lucrative LHD market, it is just perfect business sense nothing to do with politics.
However if the manufacturers can get the media and muppets on board, to get taxpayers to give them a leg up, well that's good business also.

 

[rederob]

@rederob Im using the phone so I will keep the answer short.
How are a hundred million units a small market?'

The RHD population base is over 2B, and the actual number of RHD ICEVs that will need to be replaced is over 300M. In the UK alone the RHD base is over 30M units, which is around twice the total number of NEVs so far manufactured globally and 30% greater than the total number of all cars produced annually in China.

Have you been to India? I have, the last thing they are doing is lining up to buy a $A 45,000 E.V
They would need a $A 40,000 incentive, so as I said earlier, the manufacturers wont be ramping up RHD production, while they are struggling to meet the demand for the lucrative LHD market, it is just perfect business sense nothing to do with politics.

Both China and India are producing NEVs from US$5k upwards, so we are not talking about a unilateral marketplace of the wealthy. The practice of car manufacturers will be similar to how it has always been, just as RHD Japan will make most of its export cars for LHD markets.

However if the manufacturers can get the media and muppets on board, to get taxpayers to give them a leg up, well that's good business also.

This has been done to death. Neither you nor I pre-purchased our BEVs with a subsidy, and I got lucky after paying my deposit when QLD decided to offer $3k rebates that were for less expensive NEV purchases.
I don't know how many times I need to spell out the Coalition's failure of policy that the car industry also repeats ad nauseum, but falls on deaf ears. Yes subsidies would be nice but, as I have also pointed out, the mish mash of State/Territory incentives makes consistent-message national advertising impossible, and otherwise generally confusing about who gets how much, for what, from when, if it costs less than $x, $y, or $z. This is purely politics at play.
As for the media, they can't keep up! And are much less knowledgeable than many posting here, which includes you and me.

You are so lucky to have me regularly schooling you!

 

[mullokintyre]

@rederob Im using the phone so I will keep the answer short.
How are a hundred million units a small market?
Well it is a small market if the 100million have stuff all money.
Have you been to India? I have, the last thing they are doing is lining up to buy a $A 45,000 E.V
They would need a $A 40,000 incentive, so as I said earlier, the manufacturers wont be ramping up RHD production, while they are struggling to meet the demand for the lucrative LHD market, it is just perfect business sense nothing to do with politics.
However if the manufacturers can get the media and muppets on board, to get taxpayers to give them a leg up, well that's good business also.

An even bigger hurdle for exporters of vehicles to India is the high tarriffs.
Mahindra is a big producer of Indian vehicles, as is Tata, Ashok and Bjaj to name a few.
Almost all the foreign vehicle manufacturers have plants in India, even BMW and Porsche!.
With over 100% effective duty, there is virtually zero incentive to import any cars, whether they are be EV's or any other kind.

From Immihelp

 

[moXJO]

List of evs available in Australia. I think there might be some missing:

• MG ZS EV: $44,990
• Hyundai Ioniq Electric: $49,970
• Nissan Leaf: $49,990
• Hyundai Kona Electric Elite: $54,500
• MINI Electric: $55,650
• Hyundai Kona Electric Highlander: $58,000
• Polestar 2: $59,900
• Nissan Leaf e+: $60,490Kia Niro S: $62,590
• MINI Electric Yours: $62,825
• Tesla Model 3 Standard Range Plus: $63,900
• Kia EV6: $67,990
• Mazda MX-30: $65,490
• Kia Niro Sport: $70,990
• Tesla Model 3 Long Range: $76,200
• Volvo XC40 Recharge: $76,990
• Tesla Model 3 Performance: $88,900
• BMW i4: $99,900
• BMW iX3: $114,900
• Mercedes-Benz EQC: $124,300
• BMW i4 M50: $124,900
• Tesla Model S: $147,990
• Jaguar I-Pace: $149,990
• Audi E-Tron Sportback: $150,900
• Tesla Model X: $165,990
• Audi E-Tron S: $168,400
• Porsche Taycan: $174,695
• Tesla Model X Plaid: $174,990
• Porsche Taycan 4 Cross Turismo: $176,600
• BMW iX: $179,333
• Audi E-Tron GT: $181,700
• Tesla Model S Plaid: $186,990
• Porsche Taycan 4S: $194,700
• Porsche Taycan 4S Cross Turismo: $205,300
• Porsche Taycan Turbo: $276,300
• Porsche Taycan Turbo Cross Turismo: $279,000
• Porsche Taycan Turbo S: $345,800

 

[Knobby22]

List of evs available in Australia. I think there might be some missing:

• MG ZS EV: $44,990
• Hyundai Ioniq Electric: $49,970
• Nissan Leaf: $49,990
• Hyundai Kona Electric Elite: $54,500
• MINI Electric: $55,650
• Hyundai Kona Electric Highlander: $58,000
• Polestar 2: $59,900
• Nissan Leaf e+: $60,490Kia Niro S: $62,590
• MINI Electric Yours: $62,825
• Tesla Model 3 Standard Range Plus: $63,900
• Kia EV6: $67,990
• Mazda MX-30: $65,490
• Kia Niro Sport: $70,990
• Tesla Model 3 Long Range: $76,200
• Volvo XC40 Recharge: $76,990
• Tesla Model 3 Performance: $88,900
• BMW i4: $99,900
• BMW iX3: $114,900
• Mercedes-Benz EQC: $124,300
• BMW i4 M50: $124,900
• Tesla Model S: $147,990
• Jaguar I-Pace: $149,990
• Audi E-Tron Sportback: $150,900
• Tesla Model X: $165,990
• Audi E-Tron S: $168,400
• Porsche Taycan: $174,695
• Tesla Model X Plaid: $174,990
• Porsche Taycan 4 Cross Turismo: $176,600
• BMW iX: $179,333
• Audi E-Tron GT: $181,700
• Tesla Model S Plaid: $186,990
• Porsche Taycan 4S: $194,700
• Porsche Taycan 4S Cross Turismo: $205,300
• Porsche Taycan Turbo: $276,300
• Porsche Taycan Turbo Cross Turismo: $279,000
• Porsche Taycan Turbo S: $345,800

Definitely some missing.

In reality though, huge waiting lists and no supply. Other countries are getting them in preference to us plus we are seen as a good dumping ground for old diesel and petrol cars.
E.g. Kia recently bought 500 cars in and 25,000 tried to buy them.
Read article following.

Australia can't get enough of the Kia EV6. But neither can Kia...

How Kia's hottest ticket could be hamstrung by supply issues

www.whichcar.com.au

 

[rederob]

List of evs available in Australia. I think there might be some missing:

• MG ZS EV: $44,990
• Hyundai Ioniq Electric: $49,970
• Nissan Leaf: $49,990
• Hyundai Kona Electric Elite: $54,500
• MINI Electric: $55,650
• Hyundai Kona Electric Highlander: $58,000
• Polestar 2: $59,900
• Nissan Leaf e+: $60,490Kia Niro S: $62,590
• MINI Electric Yours: $62,825
• Tesla Model 3 Standard Range Plus: $63,900
• Kia EV6: $67,990
• Mazda MX-30: $65,490
• Kia Niro Sport: $70,990
• Tesla Model 3 Long Range: $76,200
• Volvo XC40 Recharge: $76,990
• Tesla Model 3 Performance: $88,900
• BMW i4: $99,900
• BMW iX3: $114,900
• Mercedes-Benz EQC: $124,300
• BMW i4 M50: $124,900
• Tesla Model S: $147,990
• Jaguar I-Pace: $149,990
• Audi E-Tron Sportback: $150,900
• Tesla Model X: $165,990
• Audi E-Tron S: $168,400
• Porsche Taycan: $174,695
• Tesla Model X Plaid: $174,990
• Porsche Taycan 4 Cross Turismo: $176,600
• BMW iX: $179,333
• Audi E-Tron GT: $181,700
• Tesla Model S Plaid: $186,990
• Porsche Taycan 4S: $194,700
• Porsche Taycan 4S Cross Turismo: $205,300
• Porsche Taycan Turbo: $276,300
• Porsche Taycan Turbo Cross Turismo: $279,000
• Porsche Taycan Turbo S: $345,800

Also the car I just pre-ordered:

• BYD Atto - standard range: $44,382
• BYD Atto - extended range: $47,382

Note however that BYD's model range will have price increases applied soon, from about AU$635 to AU$1270.

 

[JohnDe]

Definitely some missing.

In reality though, huge waiting lists and no supply. Other countries are getting them in preference to us plus we are seen as a good dumping ground for old dieseel and petrol cars.
E.g. Kia recently bought 500 cars in and 10,000 tried to buy them.

Australia can't get enough of the Kia EV6. But neither can Kia...

How Kia's hottest ticket could be hamstrung by supply issues

www.whichcar.com.au

There is waiting lists on all new cars.

Try and purchase a Toyota - 9 to 12 months wait, depending on the model you want.

Talking to a guy yesterday, a dealership offered him $109,000 for his Land Cruiser, the exact price he paid for it. A new Cruiser is $139,000 with a 12 month wait. He made the deal.

All cars have a waiting list, there is world shortages and transport issues.

 

[rederob]

There is waiting lists on all new cars.

Try and purchase a Toyota - 9 to 12 months wait, depending on the model you want.

Talking to a guy yesterday, a dealership offered him $109,000 for his Land Cruiser, the exact price he paid for it. A new Cruiser is $139,000 with a 12 month wait. He made the deal.

All cars have a waiting list, there is world shortages and transport issues.

Just privately sold our 2020 Honda Odyssey via Carsales. Was purchased sight unseen from a small-restaurant owner in Adelaide, but after a $270 Redbook inspection and report the buyer paid for. It's just about to be loaded on its car carrier to be taken from Brisbane to Adelaide, also at the buyers cost. The guy from Redbook said he's never been so busy doing inspection/reports from interstate buyers because they can't get the stock they want locally.

 

[divs4ever]

Inside China's electric drive for swappable car batteries

Inside China's electric drive for swappable car batteries By Reuters

Inside China's electric drive for swappable car batteries

www.investing.com

now RV becomes more interesting ( to me )

my original concern was a battery failure , basically made your vehicle obsolete ( or up for an expensive repack )

nice one China , i suppose having standard connections ( across makes and models ) is too much to wish for

 

[mullokintyre]

Inside China's electric drive for swappable car batteries

Inside China's electric drive for swappable car batteries By Reuters

Inside China's electric drive for swappable car batteries

www.investing.com

now RV becomes more interesting ( to me )

my original concern was a battery failure , basically made your vehicle obsolete ( or up for an expensive repack )

nice one China , i suppose having standard connections ( across makes and models ) is too much to wish for

If I were a Chinese manufacturer, I would make the Chinese standard the world standard by having all Chinese vehicles to the same standard, and then produce so many vehicles that the rest of the world has to follow suit.
Just like the Americans did with many of their manufactured products.
Americans standards abound through aviation, electronics, radio frequency bandwidth uses, comms, GPS etc etc.
It is less so in cars these days, but US standards were once the norm.
The US is even going to metric fasteners in cars these days.
Mick

 

[JohnDe]

If I were a Chinese manufacturer, I would make the Chinese standard the world standard by having all Chinese vehicles to the same standard, and then produce so many vehicles that the rest of the world has to follow suit.
Just like the Americans did with many of their manufactured products.
Americans standards abound through aviation, electronics, radio frequency bandwidth uses, comms, GPS etc etc.
It is less so in cars these days, but US standards were once the norm.
The US is even going to metric fasteners in cars these days.
Mick

How many batteries required to be waiting in storage?

What is the cost off a 'swap station'?

How many 'swap station' required and between what distances?

How does an owner know that their battery swap will be like for like (my battery could be 6 months old but the swap is 2 years)?

Will the manufacturer foot the bill of a 'swap station'?

 

[sptrawler]

For those who like a bit of badge snobbery, Merc have released a relatively affordable E.V, if you call $80k affordable.
But I guess when the cheapest are around $50k, it has to be kept in perspective.

2021 Mercedes-Benz EQA250 review: GLA to EQA

Making the transition to an electric car doesn't need to be a challenge. Mercedes-Benz appeals to GLA drivers with the all-electric EQA.

www.drive.com.au

 

[divs4ever]

How many batteries required to be waiting in storage?

What is the cost off a 'swap station'?

How many 'swap station' required and between what distances?

How does an owner know that their battery swap will be like for like (my battery could be 6 months old but the swap is 2 years)?

Will the manufacturer foot the bill of a 'swap station'?

well i suspect a well-run organization will first run some checks on the battery ( batteries ) received to be swapped ( and recharged later ) so would think there will be more batteries waiting in the racks than expected customers say 10% to 20% more relying on newly received batteries will mostly be fit for recharging ( and recharged )

now IF the charge/swap station is only relying on solar ( and wind ) input that percentage buffer might have to be higher

a further potential development could be a non-rechargable battery ( effectively a capacitor ) which would just be recycled ( but that might not be so popular

however an easily replacable battery to my mind is a good thing ( although vehicle salesmen may disagree )

i would also guess recharging at home ( or work ) would still be an option ( so battery swaps in many cases would be rarer than say visiting the petrol station )

ALSO remember there is still a push towards increased use of public transport , so EV use MIGHT be lower in some households

if the batteries remain generic ( not proprietary ) fittings , i would think China would have it government owned/run and just charge a fee for the service ( include it it the power infrastructure assets and reap a steady income ) , and maybe some other nations would follow that model .

now IF it was a government-run operation i would think there will be plenty of swap-stations .. eventually

if privately run/owned the stations would go up quicker , but liable to be less evenly distributed

 

[JohnDe]

well i suspect a well-run organization will first run some checks on the battery ( batteries ) received to be swapped ( and recharged later ) so would think there will be more batteries waiting in the racks than expected customers say 10% to 20% more relying on newly received batteries will mostly be fit for recharging ( and recharged )

now IF the charge/swap station is only relying on solar ( and wind ) input that percentage buffer might have to be higher

a further potential development could be a non-rechargable battery ( effectively a capacitor ) which would just be recycled ( but that might not be so popular

however an easily replacable battery to my mind is a good thing ( although vehicle salesmen may disagree )

i would also guess recharging at home ( or work ) would still be an option ( so battery swaps in many cases would be rarer than say visiting the petrol station )

ALSO remember there is still a push towards increased use of public transport , so EV use MIGHT be lower in some households

if the batteries remain generic ( not proprietary ) fittings , i would think China would have it government owned/run and just charge a fee for the service ( include it it the power infrastructure assets and reap a steady income ) , and maybe some other nations would follow that model .

now IF it was a government-run operation i would think there will be plenty of swap-stations .. eventually

if privately run/owned the stations would go up quicker , but liable to be less evenly distributed

So how many extra batteries will be required to stock ‘swap stations’, and how will the current shortage of raw materials for battery production affect pricing and stock?

Current industry standard is that battery degradation of up to 30% is acceptable. Would you be happy to have your near new 95% capacity battery swapped for another with 80%?

Are customers happy to lease their battery? This is the talk from Chinese industry: Drivers purchase a car but lease the battery, bringing cost of vehicle purchase down significantly and complaints of battery swaps down.

Are you willing to enter into a battery leasing agreement over the lifetime ownership of your vehicle?

 

[sptrawler]

So how many extra batteries will be required to stock ‘swap stations’, and how will the current shortage of raw materials for battery production affect pricing and stock?

Current industry standard is that battery degradation of up to 30% is acceptable. Would you be happy to have your near new 95% capacity battery swapped for another with 80%?

Are customers happy to lease their battery? This is the talk from Chinese industry: Drivers purchase a car but lease the battery, bringing cost of vehicle purchase down significantly and complaints of battery swaps down.

Are you willing to enter into a battery leasing agreement over the lifetime ownership of your vehicle?

It is an interesting concept and it isn't without precedent, people lease and swap out their their gas bottles. This ensures they are pressure tested when required, even the 9kg caravan bottles are now a swap out system, where 20 years ago people owned the bottle and when it expired it wasn't allowed to be refilled.
So in a lot of ways a battery swap system is quite a good idea, it ensures that the battery remains the property of a responsible entity, who ensure that it is always fit for purpose and is either recycled or disposed of correctly.
Once an E.V battery has died, there is every possibility the car may have its number plates removed and be abandoned, as happens now, when repair costs are more than the residual value of the car.
It is like many new appliances that come to market, it takes several years and compromises by the manufacturers, before efficiencies and cross product sharing occurs.
But having a standard range of common batteries, that cater to the various consumers requirements i.e multiple KWh sizes, makes a lot of sense IMO.
A bit like having common socket and voltage/amperage batteries for hand held power tools, rather than as now where the batteries are specific to a certain manufacturer, this is extremely inefficient.
Someone who only wants to use a drill once a year, has to buy a drill and a battery and a charger, so they buy the cheapest drill anyway.
A tradesman who uses the drill 7 days a week putting up patios, wont buy the same drill, but there is no reason that the batteries/chargers shouldn't be interchangeable.
The wastage must be unbelievable, if the batteries were interchangeable, you could rent them off somewhere like Bunnings etc maybe $1 a day for example, that would mean the batteries aren't going dead in the handyman's shed and the tradesman can either buy or rent depending on his job.
He may not have a lot of work on, so he has the one he buys for convenience and when work picks up he rents or buys extras.

As the battery materials are a finite resource, it makes sense to use them in the most efficient way, with car batteries they could be produced so that the same socket/holder is used at the house.
Then when they are toward the end of their useful life for the E.V, the remainder of its usable life can be just used by slotting it into a house as an exchange for one that needs recycling.

 

[JohnDe]

It is an interesting concept and it isn't without precedent, people lease and swap out their their gas bottles. This ensures they are pressure tested when required, even the 9kg caravan bottles are now a swap out system, where 20 years ago people owned the bottle and when it expired it wasn't allowed to be refilled.
So in a lot of ways a battery swap system is quite a good idea, it ensures that the battery remains the property of a responsible entity, who ensure that it is always fit for purpose.
Once an E.V battery has died, there is every possibility the car may have its number plates removed and be abandoned, as happens now when repair costs more than the residual value of the car.
It is like many new appliances that come to market, it takes several years and compromises by the manufacturers, before efficiencies and cross product sharing occurs.
But having a standard range of common batteries, that cater to the various consumers requirements i.e multiple KWh sizes, makes a lot of sense IMO.
A bit like having common socket and voltage/amperage batteries for hand held power tools, rather than as now where the batteries are specific to a certain manufacturer, this is extremely inefficient.

A gas bottle is just a vessel, a battery is very different. A lick of paint and the bottle is as good as new, whereas a battery’s condition is dependent on previous use and charging.

The idea of swapping came out several years ago, with China starting to build stations just before Covid struck. The idea is that EV owners charge when possible and time allows, and use swaps for all other occasions.

The removed battery is tested & recharged automatically in the swapping stations. Any failed battery packs are stacked in a separate location & collected and substituted with replacement items as required.

The biggest problem that no one has answered is, how many extra batteries will be required to have enough stock for all EVs using the scheme, and how much will this add to the cost & supply issues that are currently affecting battery manufacturers, especially due to material shortage which will take years to catch up.

 

[sptrawler]

A gas bottle is just a vessel, a battery is very different. A lick of paint and the bottle is as good as new, whereas a battery’s condition is dependent on previous use and charging.

I understand what you are saying, but it isn't just a case of a lick of paint, the bottle has to be taken to a facility to be tested to ensure there is not structural issues, if there are it has to be disposed of at another specific facility to ensure that it is done in a safe and correct manner.

The idea of swapping came out several years ago, with China starting to build stations just before Covid struck. The idea is that EV owners charge when possible and time allows, and use swaps for all other occasions.

The removed battery is tested & recharged automatically in the swapping stations. Any failed battery packs are stacked in a separate location & collected and substituted with replacement items as required.

The biggest problem that no one has answered is, how many extra batteries will be required to have enough stock for all EVs using the scheme, and how much will this add to the cost & supply issues that are currently affecting battery manufacturers, especially due to material shortage which will take years to catch up.

The question of how many batteries are required, is somewhat like how many charging stations are required, it will depend on the amount of vehicles the area is servicing.
The issue is how many times will you need to swap your battery, in the case of VC very very seldom, he will charge mainly at home, the same could be for you, so there is two you don't need to carry.
But there may be other people who have an E.V company car and is a travelling salesman that goes all over the city, or a taxi driver in a different make of E.V that runs 24/7, they may swap out every day.
So it would depend on the demographics of the population, but having the same swap out battery and mechanism in your Tesla as a Hyundai or a Polestar or whatever makes sense.
When you and VC in 7 years time find your range isn't what it used to be, you head down the swap shop, drive in and get a new battery in 5 minutes then off you go for the next 7 years hopefully.
I don't think you are looking at it from a holistic point of view, i think you may be thinking you swap the battery every charge, where this for most wouldn't be the case.

 

[JohnDe]

I understand what you are saying, but it isn't just a case of a lick of paint, the bottle has to be taken to a facility to be tested to ensure there is not structural issues, if there are it has to be disposed of at another specific facility to ensure that it is done in a safe and correct manner.


The question of how many batteries are required, is somewhat like how many charging stations are required, it will depend on the amount of vehicles the area is servicing.
The issue is how many times will you need to swap your battery, in the case of VC very very seldom, he will charge mainly at home, the same could be for you, so there is two you don't need to carry.
But there may be other people who have an E.V company car and is a travelling salesman that goes all over the city, or a taxi driver in a different make of E.V that runs 24/7, they may swap out every day.
So it would depend on the demographics of the population, but having the same swap out battery and mechanism in your Tesla as a Hyundai or a Polestar or whatever makes sense.
When you and VC in 7 years time find your range isn't what it used to be, you head down the swap shop, drive in and get a new battery in 5 minutes then off you go for the next 7 years hopefully.
I don't think you are looking at it from a holistic point of view, i think you may be thinking you swap the battery every charge, where this for most wouldn't be the case.

Your traveling the wrong track.

A gas bottle is an inert container, it’s either good or it’s not, they are very cheap to replace.

A battery has many cells & electronic components, they can be damaged by physical abuse & discharge abuse, they are expensive to replace.

A swap station is nothing like a charging station.

A charging station only requires basic infrastructure and electricity, which there are many ways of generating.

A ‘swap station’ requires complex infrastructure which includes robotics and testing equipment. Battery material is limited because the short sightedness of the big vehicle manufacturers, it will take years to ramp up mining and battery production. To make ’swap stations’ viable they would have to have enough batteries stock to replace hundreds each day at each location, this will cause a demand supply issue which will push up the price of materials and batteries.

In 7 years time my battery will be replaced under warranty, if there is an issue. After that I may have traded in, or replaced the battery at my cost from the savings of not having to have my car serviced, plus battery cost keep dropping every 6 months.

 

[sptrawler]

A ‘swap station’ requires complex infrastructure which includes robotics and testing equipment. Battery material is limited because the short sightedness of the big vehicle manufacturers, it will take years to ramp up mining and battery production. To make ’swap stations’ viable they would have to have enough batteries stock to replace hundreds each day at each location, this will cause a demand supply issue which will push up the price of materials and batteries.

In 7 years time my battery will be replaced under warranty, if there is an issue. After that I may have traded in, or replaced the battery at my cost from the savings of not having to have my car serviced, plus battery cost keep dropping every 6 months.

What you have said there is exactly the reason, a standard battery format and housing makes perfect sense.

By the way I do have a bit of a clue, regards batteries, I know they have many cells and electronic components, one I do have tertiary electronic qualifications, two I am a dual traded instrument/ electrical with an A grade electrical license and three I am building a home battery.

By the way here is a picture of an Aldi battery that has a dead cell, that I'm about to replace with one of the 18650's I've got from stripping dead battery packs. A mate was going to bin it.

The swap station doesn't need testing equipment, the data logger can be incorporated into the battery pack, to say the battery degradation.
All the swap out station would require would be a robotic battery remover, replacer and a storage/charging facility to hold, store and charge the different sized batteries.
If there were three sizes eg, small say 30Kwh, medium 50KWh and Large 80KWh for example that wouldn't be too hard.
When you consider todays robotic pic and pack systems.