What percent of charge constitutes low state of charge?

  • SUPPORT THE SITE AND ENJOY A PREMIUM EXPERIENCE!
    Welcome to Tesla Owners Online, four years young! For a low subscription fee, you will receive access to an ad-free version of TOO. We now offer yearly memberships! You can subscribe via this direct link:
    https://teslaownersonline.com/account/upgrades

    SUBSCRIBE TO OUR YOUTUBE CHANNEL!
    Did you know we have a YouTube channel that's all about Tesla? Lots of Tesla information, fun, vlogs, product reviews, and a weekly Tesla Owners Online Podcast as well!

Joined
Aug 6, 2018
Messages
20
Location
California
Country
Country
Tesla Owner
Model 3
#1
I've read that charging, especially at a Super Charger Station, when the battery is at a low state of charge will damage the battery, especially if done repeatedly. But what percent constitutes low state of charge? The article referred to someone rolling into the charge station at 0 or lower percent, but that seems highly unusual. I can't find any reliable sources to provide a definition for the danger point for low state of charge.
 

garsh

Dis Member
Moderator
TOO Supporting Member
Joined
Apr 4, 2016
Messages
13,068
Location
Pittsburgh PA
Country
Country
Tesla Owner
Model 3
#2
If you can, locate and link to that article so we can explain what you were reading. It sounds like you may have misunderstood something.

Basically, there's nothing to worry about. If the car is incapable of charging at a high rate at the supercharging station, it will throttle the charge rate (or refuse to charge at all) until conditions improve. The car will protect itself from actually damaging the battery.
 
Joined
Sep 2, 2018
Messages
12
Location
Penfield, NY
Country
Country
Tesla Owner
Model 3
#3
I learned a big lesson, took my first “long” trip, 630 round trip. Had a 1/2 charge left on the battery when we arrived at our hotel that had a “free destination” charger. I connected and the status on the battery said it would take 9 1/2 hours to charge!!!! Every hour I would get an alert the charging was interrupted. Got fustrated and on the trip home I made a bee line to the closest Tesla Super Charger and fully charged in 35 minutes (170 miles). I will now make every effort to avoid destination chargers and to appreciate Tesla Super Chargers!!
 
Joined
Jun 29, 2018
Messages
12
Location
Atlanta ga
Country
Country
Tesla Owner
Model 3
#4
I have had charging interrupted at home and most recently at my parents house using their 110v outlet. It is completely random and I have no idea what is caused it. I have yet to have it happen on a ChargePoint or destination charger, but I haven’t use them much relative to my home connection.
 
Joined
Jun 29, 2018
Messages
12
Location
Atlanta ga
Country
Country
Tesla Owner
Model 3
#6
Yes. Both 110s were GFI. Neither of the GFIs tripped. Now that I I think about it, it did happen one night with the 240v as well. I am not worried about it and it has only happened 3 times in 7 weeks, I was just curious as to what things might cause it.
 

iChris93

Moderator
Moderator
TOO Supporting Member
Joined
Feb 3, 2017
Messages
2,518
Location
Ann Arbor, MI
Country
Country
Tesla Owner
Model 3
#7
Yes. Both 110s were GFI. Neither of the GFIs tripped. Now that I I think about it, it did happen one night with the 240v as well. I am not worried about it and it has only happened 3 times in 7 weeks, I was just curious as to what things might cause it.
It has happened to me zero times in just about 8 weeks so I would be concerned.
 

garsh

Dis Member
Moderator
TOO Supporting Member
Joined
Apr 4, 2016
Messages
13,068
Location
Pittsburgh PA
Country
Country
Tesla Owner
Model 3
#8