Does battery percentage affect acceleration?

[zpowell]

More specifically is there a difference in 0-60mph, 30-60mph, etc. with a 50% battery v. 70% battery? 70-85-100%?

I haven’t seen any reviews where acceleration was specifically measured as it relates to battery percentage. I haven’t charged more than 70% in the 2 weeks since delivery and I’m curious if there is more on the table.

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[Christopher]

Yes, lower SoC you'll have less power. Check out this video of some testing of a Tesla at various states of charge:

 

[Ash]

Yup, higher voltage will give you higher performance. The pack has a max and minimum voltage. The cells will last longer if they aren't subjected to the extreme ends, high or low. Each cell's happy place is about 3.9 volts with a max of about 4.2 and a minimum of 3.2 ish. The rivian runs on about 400 volts, I believe. back of the napkin math (really barely an educated guess) would be a range from 0% to 100% SOC of 333v to 436v. There could be electronics that boost the voltage when it's low, but there's usually loss involved. My butt dyno can affirm the truck is slower at lower charge levels, but it's worth mentioning, it's still
stupidly fast.

 

[astonius]

The power meter on the right of the driver screen will show you a relative reduction. It has to get pretty low though. I’ve been down to 8% and not noticed a difference.

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