Best practices for extending the LIFE of the battery?

[jobofly79]

The battery will live longest the closest it is to 50%. If you use 20% daily you should charge up to 60%, so it drains to 40%, charges back to 60%, etc. Or if you can charge at work plug in twice a day and go from 45-55% twice a day.

For most such a low number would be very limiting. You should charge up to a value that is as low as is comfortable. That could be 60%, or 80, 75, 95, etc.

In the end if your absolute goal is to maximize battery life charge up to as low of a number as works for you and then charge as often as you can, even if that's two or three times a day.

Again, for most that would be crazy. So we pick some number (mine is 85%) and i charge to that every night. Sometimes I only use 10% of the battery (so down to 75%), other days I'm down to 35%.

There is no magic number. Keep it as low as works for you and charge as often as you can. Just remember, this is the new "should I change my oil every 3,000 miles, or the recomended 5,000" the vast majority will never realize any difference in their lives, so don't stress over it.

That is super helpful. Thank you for helping me understand it better.

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[NW Ontario Ford Lightning]

I too use about 20% battery per day,
I have set the automatic charging overnight (I have very low cost ToU rate 11pm - 7am every night)
I've set the automatic charge to 80% SOC, and set up the departure time so the truck is plugged in while preparing the cabin/batteries/motors every morning.
I'm confident from Dr. Dahn's paper about these cells, I can count on the pack outlasting the truck with these charge settings.
For a hwy trip, I may use 90% SOC - but with lots of DCFC along the hwy, I am not sure I will use 100% even for a road-trip, since it doesn't add much and only to the first leg of a trip. After stopping to charge up, I will target 80% again.
I know I can count on a lot of cold/cool days most of the year, avoiding excess temperatures most of the year. LOL.
I hope the aluminum panels helps me to get a good long run with this truck, even while living in the salt-belt.