Rivian R1S Gen 2 Charging Recommendations

[ahoover]

Looking for insight on charging limits for my 2025 Rivian R1S Gen 2
R1S Dual Large Adventure Package
Battery - Large Pack
I charge using my hardwired 60 Amp Breaker using my Rivian Wall Charger set to 48 Amps .

For normal daily driving use (i.e. weekly driving under 150 miles per week) I've been told to charge up to 70% max and recharge at 20%.

For extended range I've been told to charge up to 85% max and recharge at 20%.

For max range I've been told to charge up to 100% max and recharge at 20%.

I was also told to periodically charge to 100%.

Any insights on battery conditioning?

I normally charge using the schedule from 9:00PM PST till complete.

Thanks for your guidance! If I'm doing this wrong, feel free to guide me...

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[PaythePiper]

While you are in town charging from home I’d just charge to 50-60% (unless you need more- I doubt it) and plug in every night

 

[dradam]

If you have a standard Pac, it is usually LFP. Which occasionally does need to be charged to calibrate readings.
I believe the large pack is NMC, which you do not need to put to 100% unless you want to.
On YouTube, there is a channel called engineering explained that does a very good job explaining the best charging practices for these packs.
In NMC it appears to distress the battery if it stays at 100% for a long time. Or goes below 30%. Smaller fluctuations tend to shrink and expand the battery less preserving its viability on the microscopic level. even with these good measures. It probably won’t make much of a difference during the lifetime of the vehicle.
For daily driving, I personally charge to 70% daily. Leaving the vehicle, plugged in to maintain the systems and the 12 V battery.

whether you charge at 48 A or less probably does not make much of a difference with regard to the chemistry. Because that is a relatively low charge rate regardless. I generally charge at about 30 A even though I can charge it 48 largely because it’s better for the other things going on in my house. Either way I wake up to my 70% charge.


Hope this helps. I’m sure you’ll get a lot of advice.

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