How Much Range Does an Electric Car Lose Each Year?

[kobayashiGT]

  On 10/13/2021 at 9:14 AM, pi3142 said:

Besides heat, the degradation of battery could also be due to the build up of corrosion of the terminals and linkages of the packs in the battery. Or if the packs in the battery are charged in in parallel, the weakest pack would stop the entire charging earlier. If the system charge and monitor each pack separately, this would not happen. Thus a workshop visit for battery service offering the works above will give back some of the lost capacity.  

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how does a battery servicing works?

[macrosszero]

Wear and tear has to be expected, ICE cars experience horsepower loss due to various components getting worn/choked etc. 

[pi3142]

  On 10/13/2021 at 9:31 AM, kobayashiGT said:

how does a battery servicing works?

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The battery service should help to recover some of the lost capacity. The indvidual packs within the EV batteryare checked if some of the packs have much more capacity than others in the same EV battery, than the packs need to be balanced to get tehm around the same capacity. The checking of capacity is done by charging and discharguiing each pack separately with external chargers. And at least another round of charging  seperately to get them to around the same capacity. Then all packs are put back into the EV battery. Usually the packs in the centre would get hotter than the ones at the edges. So the ones in the centre change posistion to the side to even out the wear due to heat. 

When the packs are taken out, the linkages and connections are also cleaned (some use sand paper!) to get rid ofthe corrosion or oxidation that formed from copper linkages after a few years. Good contact rediuces heat generated.

If a pack is really bad snd need replacment, uusally it is to get pack that matches the capacity of the rest of packs. So likely it would be a good 2nd hand pack from a scrapped car of the same year. This could already be costed into the servicing. 

[kobayashiGT]

  On 10/14/2021 at 5:44 AM, pi3142 said:

The battery service should help to recover some of the lost capacity. The indvidual packs within the EV batteryare checked if some of the packs have much more capacity than others in the same EV battery, than the packs need to be balanced to get tehm around the same capacity. The checking of capacity is done by charging and discharguiing each pack separately with external chargers. And at least another round of charging  seperately to get them to around the same capacity. Then all packs are put back into the EV battery. Usually the packs in the centre would get hotter than the ones at the edges. So the ones in the centre change posistion to the side to even out the wear due to heat. 

When the packs are taken out, the linkages and connections are also cleaned (some use sand paper!) to get rid ofthe corrosion or oxidation that formed from copper linkages after a few years. Good contact rediuces heat generated.

If a pack is really bad snd need replacment, uusally it is to get pack that matches the capacity of the rest of packs. So likely it would be a good 2nd hand pack from a scrapped car of the same year. This could already be costed into the servicing. 

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woah. then sound like it is not an easy job. this servicing job will be expensive.

[kobayashiGT]

Source: https://www.axios.com/2025/03/17/byd-charging-tesla?lctg=202885

China continues to raise the bar on electric vehicles, with BYD unveiling a new EV platform that can be recharged about as fast as it takes refuel a gasoline car.

Why it matters: Making EV charging as painless as visiting a gas station is one less hurdle for consumers, and could help spur widespread EV adoption.

• It's also a further sign of the growing dominance of BYD, which sells both electric vehicles and hybrids, while onetime EV leader Tesla's fortunes wane, both in China and the rest of the world.

Driving the news: BYD's new battery and charging system can provide nearly 300 miles of driving range in 5 minutes, chairman and founder Wang Chuanfu said Monday, Bloomberg reported.

• The 1,000-Volt Super e-Platform will underpin BYD's next-generation vehicles, starting with the Han L sedan and Tang L SUV.
• BYD also said it would build more than 4,000 ultra-fast chargers across China to match the new EV platform.

Between the lines: The charging breakthrough, while promising, is light on specifics.

• It's not clear what type of battery chemistry is used to achieve such results.
• Also unknown is the battery size, or maximum sustained power levels during charging.

The big picture: What is clear, however, is that Chinese manufacturers are outpacing the U.S. and European Union on EV charging technology.

• "Tesla has definitely moved from leader to laggard in EV battery and charging technology at this point." said Matt Teske, founder and CEO of Chargeway, a startup aiming to simplify EV charging.
• Tesla's latest "V4" Superchargers offer 325kW power — a step in the right direction, Teske said — but Tesla vehicles need 800V battery tech in order to take full advantage of those faster chargers.
• Currently, Tesla's vehicles have a 400V system, which limits how fast they can accept electrons, no matter how fast the charging equipment.
• Competitors including Hyundai, Kia and Porsche have more advanced 800V systems, the fastest-available before BYD's 1,000V breakthrough.

The bottom line: Convenient, fast EV charging requires higher-voltage battery technology mated with chargers capable of sustained power delivery at maximum speeds.

• Not even China has cracked that problem yet, but BYD is getting closer.

[Tianmo]

I smell @RadX going to cum and KNN liao. 

[RadX]

  On 3/19/2025 at 2:34 AM, Tianmo said:

I smell @RadX going to cum and KNN liao. 

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ya ppl talk hydrogen then this bugga post this...waste tiem

[kobayashiGT]

  On 3/19/2025 at 2:39 AM, RadX said:

ya ppl talk hydrogen then this bugga post this...waste tiem

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hahahaha. at this rate of EV improvement, they can be the real deal. 

Govt alrd support the infrastructure. update to 1000 volt, solve the problem liao. hahahahah 

[Tohto]

  On 3/19/2025 at 2:55 AM, kobayashiGT said:

hahahaha. at this rate of EV improvement, they can be the real deal. 

Govt alrd support the infrastructure. update to 1000 volt, solve the problem liao. hahahahah 

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We installing all the super slow 7.4kw at all hdb car park.

[Butakim]

@kobayashiGT Can our local electricity grid support 1000kW charging? Need to upgrade the substations?

[kobayashiGT]

  On 3/19/2025 at 5:31 AM, Butakim said:

@kobayashiGT Can our local electricity grid support 1000kW charging? Need to upgrade the substations?

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Usually there will be a converter to change the voltage. You don't need to trust me for what I say lah. hahaha. 

I am not chee hong tat. hahaha. 

But we follow where the money is right? If more EV is in the market, we need a faster charging solution. Simple as that. 

[Butakim]

@kobayashiGT https://www.mot.gov.sg/news/Details/speech-by-minister-for-transport-mr-ong-ye-kung-at-the-committee-of-supply-debate-2021-on-singapore-green-plan-2030

44.    The key to unlocking more charging facilities, is not to insist on high-powered, or ‘fast’ charging.  

 

45.    Because that would require a major upgrading of almost all the power substations and grid infrastructure all over Singapore, as envisaged and raised by many members. 

 

46.    It would be costly, time-consuming, stall the development and expansion of charging infrastructure, and severely impede the adoption of EVs. 

 

47.    I understand why members like Mr Ang Wei Neng want charging to be faster. Given a choice, I think we all want charging to be faster, but the cost will be immense. I think for most drivers, the deterrent to switch to EVs for now is the sheer lack of charging points.  

 

[Butakim]

Think need to upgrade the cables and lots of substations.

[Butakim]

Whole electronics of the car have to be upgraded to support 1000V platform in order to fast charge.

[steveting99]

  On 3/19/2025 at 1:50 AM, kobayashiGT said:

Source: https://www.axios.com/2025/03/17/byd-charging-tesla?lctg=202885

China continues to raise the bar on electric vehicles, with BYD unveiling a new EV platform that can be recharged about as fast as it takes refuel a gasoline car.

Why it matters: Making EV charging as painless as visiting a gas station is one less hurdle for consumers, and could help spur widespread EV adoption.

• It's also a further sign of the growing dominance of BYD, which sells both electric vehicles and hybrids, while onetime EV leader Tesla's fortunes wane, both in China and the rest of the world.

Driving the news: BYD's new battery and charging system can provide nearly 300 miles of driving range in 5 minutes, chairman and founder Wang Chuanfu said Monday, Bloomberg reported.

• The 1,000-Volt Super e-Platform will underpin BYD's next-generation vehicles, starting with the Han L sedan and Tang L SUV.
• BYD also said it would build more than 4,000 ultra-fast chargers across China to match the new EV platform.

Between the lines: The charging breakthrough, while promising, is light on specifics.

• It's not clear what type of battery chemistry is used to achieve such results.
• Also unknown is the battery size, or maximum sustained power levels during charging.

The big picture: What is clear, however, is that Chinese manufacturers are outpacing the U.S. and European Union on EV charging technology.

• "Tesla has definitely moved from leader to laggard in EV battery and charging technology at this point." said Matt Teske, founder and CEO of Chargeway, a startup aiming to simplify EV charging.
• Tesla's latest "V4" Superchargers offer 325kW power — a step in the right direction, Teske said — but Tesla vehicles need 800V battery tech in order to take full advantage of those faster chargers.
• Currently, Tesla's vehicles have a 400V system, which limits how fast they can accept electrons, no matter how fast the charging equipment.
• Competitors including Hyundai, Kia and Porsche have more advanced 800V systems, the fastest-available before BYD's 1,000V breakthrough.

The bottom line: Convenient, fast EV charging requires higher-voltage battery technology mated with chargers capable of sustained power delivery at maximum speeds.

• Not even China has cracked that problem yet, but BYD is getting closer.

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What BYD is offering in terms of charging technology is simply amazing. Thought Megawatt chargers are only for commercial (think delivery vans, buses, semi-trucks,taxis, etc.) where time is money and ultra fast DC charging would mean the vehicle gets back on the road sooner to earn money for the business.

Ultra fast DC charging is coming to passenger vehicles! More importantly it's coming to B&B vehicles first - not to the luxury high end vehicles (think Ferrari, Porsche, Bentley, Rolls Royce, etc.).

BYD's LFP Blade battery 2.0 enables this fast charging capabilities. There's two types available for version 2.0. The short blade, normal energy density (160kWh/kg) fast charging version that can do 10C and the high energy (210 kWh/kg) normal charging version that can do 3C. The one that was demonstrated for ultra fast DC charging is the 10C version.       

Note that there are two charging ports on the vehicle (also on the charging station) - each port can do 0.5MW charging. Combined, both ports will do 1MW of charging. I would think the charging station would incorporate some sort of battery buffer to enable this ultra fast DC charging while not draining the grid of power.