Out of Spec review on 500A charging

[Guy]

New Out of Spec video just posted on 500A charging

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[R1Sky Business]

Progress.....

 

[slawwach]

In current state, 500A is probably not adding any real benefits as battery will overheat and throttle. I hope Rivian can improve their BMS and reach Kyle's theoretical charging curve.

 

[SeaGeo]

In current state, 500A is probably not adding any real benefits as battery will overheat and throttle. I hope Rivian can improve their BMS and reach Kyle's theoretical charging curve.

To be fair it wasn't managing heat well at 450A either.

 

[Guy]

To be fair it wasn't managing heat well at 450A either.

True. Hopefully they improve thermals and also go full tilt to at least 60%.

 

[SeaGeo]

True. Hopefully they improve thermals and also go full tilt to at least 60%.

Yeeep. I'm a little concerned that he was running into a constraint that's not actively cooled (like a cable outside the pack). No idea though. We'll just have to see what Rivian cooks up.

 

[OutofSpecKyle]

Yeeep. I'm a little concerned that he was running into a constraint that's not actively cooled (like a cable outside the pack). No idea though. We'll just have to see what Rivian cooks up.

Yup - we don't know until we can either get temp data or play around with more scenarios. We really need a truck!

 

[Trandall]

Great video @OutofSpecKyle. 100% agree thermal strategy needs to anticipate temperature rise and act sooner. At the end of the day however were only talking about ~10 minutes difference between a good charge curve and a near perfect on a 10%-60% charge session.
I'm becoming fan of all of the Out Of Spec. content.

 

[Max]

Watching this, all I was thinking was; should I

Jam twice the energy in R1 battery? or drive something twice as efficient?

Be twice as sensible driving a bolt and pay half the price? or floor it in an R1 with twice the grin being half as nice (to the dude in bolt in the next lane)?

 

[CYoung]

Preconditioning is coming. It will either be automatic via your navigation and/or a button that allows you to start preconditioning. That should help a lot.

 

[Guy]

Preconditioning is coming. It will either be automatic via your navigation and/or a button that allows you to start preconditioning. That should help a lot.

Good to know, automatic would be best as I am sure some people would either forget or start the preconditioning too late. There is also the active management of temperature once a session starts which the video clearly showed.

 

[R1Sky Business]

In current state, 500A is probably not adding any real benefits as battery will overheat and throttle. I hope Rivian can improve their BMS and reach Kyle's theoretical charging curve.

They will...give them time

 

[SeaGeo]

Preconditioning is coming. It will either be automatic via your navigation and/or a button that allows you to start preconditioning. That should help a lot.

There's a lot of confidence in this statement without a lot of context. Source? Or just assuming it is like the rest of us?

 

[SeaGeo]

Good to know, automatic would be best as I am sure some people would either forget or start the preconditioning too late. There is also the active management of temperature once a session starts which the video clearly showed.

Both plz.

 

[R1Sky Business]

Preconditioning is coming. It will either be automatic via your navigation and/or a button that allows you to start preconditioning. That should help a lot.

Please.

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