Recommended charge level.

[RSpanner]

That's because 80% is still too high. Keep below 70% or 60%.

View attachment 824512

I am just asking...where did you obtain that chart? Not being snarky, just curious.

 

[!igs]

I am just asking...where did you obtain that chart? Not being snarky, just curious.

Battery University Homepage

Battery University™ is a free educational website offering hands-on battery information.

batteryuniversity.com

 

[sleepydoc]

My model Y is my work truck. I need the range . In my opinion, and it's JUST an opinion, if charging the battery to 80% each time is going to cause an almost 10% degradation in battery performance, Tesla should be recommending a lower charging level.

Time will cause 10% (and more) degradation in battery capacity.

See this post. There's a link to the article in the post with more complete information, too.

Another charging battery life thread

On a regular basis someone posts a question about how much they should charge their battery, does it hurt to charge to xx%?, etc. I've seen the graph below posted several times, usually without much explanation and the graph itself actually raises some questions. Well, I finally found the...

teslamotorsclub.com

 

[!igs]

See this post. There's a link to the article in the post with more complete information, too.

Another charging battery life thread

On a regular basis someone posts a question about how much they should charge their battery, does it hurt to charge to xx%?, etc. I've seen the graph below posted several times, usually without much explanation and the graph itself actually raises some questions. Well, I finally found the...

teslamotorsclub.com

From that post:

• In terms of longevity, the optimal charge voltage is 3.92V (=60%)