Interesting piece on SE & Trophy battery comparison: Views welcome on 100% charge tolerance

[Thorpey]

Yeah, I'd be interested to learn what the source of this info was if anyone can remember? I've had a quick search but can't spot anything.

51 or 64KW

Hi, I am considering buying an EV for the first time, so please excuse my ignorance! The 51KW battery is LFP and, from what I have gleaned from other posts, this can be regularly charged to 100%. The 64KW does not have an LFP battery and so it is recommended to only regularly charge to 80%. So...

www.mgevs.com

It's been posted on here before and is on most of the technical documentation

 

[bear1]

Well it is a different motor (125kW vs 150kW from memory) so why not different gearing?

For clarity - I don't know that it has different gearing, I'm merely posing the question.

Presumably the difference in motor has just as much, if not more, affect than the gearing.

 

[siteguru]

Presumably the difference in motor has just as much, if not more, affect than the gearing.

Quite ... so why is the SR model (with less powerful motor) faster 0-60 than the LR model? Does it have a torque curve that is biased more to the lower revs? (That's the only way I can think of as to why the SR is faster 0-60).

 

[BrenEV]

Quite ... so why is the SR model (with less powerful motor) faster 0-60 than the LR model? Does it have a torque curve that is biased more to the lower revs? (That's the only way I can think of as to why the SR is faster 0-60).

I’m wondering if they’ve just got the 0-60 time wrong.

Carwow’s review had the trophy going from 0-60 in 7.1 secs

 

[Thorpey]

Quite ... so why is the SR model (with less powerful motor) faster 0-60 than the LR model? Does it have a torque curve that is biased more to the lower revs? (That's the only way I can think of as to why the SR is faster 0-60).

It has nothing to do with a curve as an electric motor is linear. It is purely gearing which gives both cars identical torque even thought the SR has lower HP. With its 30kg lighter load this means it's faster at accelerating.

 

[siteguru]

It has nothing to do with a curve as an electric motor is linear. It is purely gearing which gives both cars identical torque even thought the SR has lower HP. With its 30kg lighter load this means it's faster at accelerating.

So you're agreeing that the gearing on the SR is different to that on the LR?

 

[Alb]

The acceleration curve for the motor will be whatever the controller makes it so it can certainly be different purely as a result of software.

 

[Thorpey]

So you're agreeing that the gearing on the SR is different to that on the LR?

Yes, I have never stated it wasn't different.

 

[barrym01]

Ah - you're talking about vehicle pre-heating rather than battery pre-heating. I know people in other threads have had variable success with vehicle pre-heating after the car has been charging ... I'm not sure it can be scheduled though, just activated manually via the app. (Happy to be corrected).

Sorry i wasn't clear. I'm moving from a Hyundai Ioniq [Which has cabin pre-heat8ing] & my 86-year-old Mum loves the heated seats. My option now is to buy a heated seat pad from Amazon, and just bang on the heater for ten minutes when i first get in. Thanks for your support.