9 Year Old 2015 Tesla Model S 70 Degradation and Range Test
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- čas přidán 31. 05. 2024
- #evs #Tesla #models #teslamodels #range #degradation
In this video I run a range test and degradation test on my used 2015 Tesla Model S 70 with over 95,000 miles on it! Let's get into it!
Chapters:
00:00 Intro
04:51 Start of Test
05:28 75% SOC
07:15 50% SOC
08:23 25% SOC
10:43 0% SOC
12:02 Results and Analysis
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Wow! ~12 degradation for a 9 year old EV isn’t bad at all! Helpful video!
I'm not sure what you mean by "not including regen". The pack is showing 59kwh from 100% to 0% likely a bit more buffer so I bet about 61kwh before the car shuts down.
So when the car regains as I'm sure you already know it adds energy back to the battery. My observation was that the energy used listed on the trip is only what is used from the battery not including the energy that was gained during regen. Theoretically you use more energy than your battery holds when you drive due to regen, even if only barely more. I'm sure I could have squeaked out another kWh or so, but I wanted to get an estimated based on usable capacity since that is what is advertised. You are totally right though!
@@theaverageev The car does account for regen in energy used. So if you started at 100% no mater what you do if you reach 0% that will be the actually energy used from the battery less any losses which is normally minor. So for example if you start at the top of a hill and charged to 50% and end up at the bottom of the hill with 55% you will see a negative in the energy used. Here is a video demoing this, this is also how my Chevy Bolt worked. czcams.com/video/0fDWgjJMM9w/video.html
Correct! You just explained what I just stated. It "accounts" for it, yes, but it is not included in the total. The number that is shown is only what was used from the battery not from regen. Regen adds back to the stored energy so it subtracts from the energy used in the trip. So since I drove it to 0% that is theoretically the current capacity. That's why I felt comfortable using the trip to measure the capacity. Otherwise I would just divide the range by the consumption in mi/kWh.
We were saying the same thing in different ways. No worries! Thanks for chiming it! I appreciate it!
@@theaverageev I love the internet. :D
Haha I know right? This happens a lot! No worries!
How many miles are on the car?
A little over 95,000 at the time of recording!!!
Not bad. Batteries usually can run to 80% before they go over the knee (the point at which degradation accelerates) you easily have another 100k miles on this car. Nice job happy you put in the work to go from 100-0. It’s time consuming but the most valuable/ informative test
Those poor 4680 owners. Wait until they find out their batteries are beta products with horrible degradation.