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CANBUS (SMT) battery report explanation please

Alset2

Member
Supporting Member
Feb 20, 2020
120
39
Ocala. Fl
Hello all, hope some one can explain a few of these numbers for me . If I understand correctly it looks like I have 10% loss off of my 100kw battery ?? But in any case, Id like to hear about exactly what the #s mean for the following :

"nominal full pack"
"nominal reaming" -I think this means based on current charge
"usable full pack"
"usable remaining" once again base on current SOC??

Also any other input as to my battery health ...like is this normal for a car built in 10/2019 with 5900 miles?



Screenshot_20200513-180410.jpg
 

Alset2

Member
Supporting Member
Feb 20, 2020
120
39
Ocala. Fl
The app is called Scan My Tesla.
I bought adapter cables and a bluetooth OBD2 reader .
I can give specifics tomorrow when I have access but if you search , there are a few threads about it.
And I just found that Scan My Tesla has a web site that will tell you exactly what you need.
I also think there are several other apps that do the same thing ...just happen to use S.M.T. app.

I'll post specifics that I bought tomorrow .
 

rickyjb

Member
Apr 30, 2017
114
63
united kingdom
Hello all, hope some one can explain a few of these numbers for me . If I understand correctly it looks like I have 10% loss off of my 100kw battery ?? But in any case, Id like to hear about exactly what the #s mean for the following :

"nominal full pack"
"nominal reaming" -I think this means based on current charge
"usable full pack"
"usable remaining" once again base on current SOC??

Also any other input as to my battery health ...like is this normal for a car built in 10/2019 with 5900 miles?



View attachment 541484


nominal full pack ( capacity including the 5kwh buffer)
nominal remaining ( current charge ) including the 5 kwh buffer
usable full pack (actual capacity with no buffer)
usable full pack remaining ( actual capacity at current charge no buffer)

some numbers for reference my 2014 p85 65k mi currently at about 5-7% degradation

nominal full pack 67.7
usable full pack 63.7
4kwh buffer
dc charge total 17133 kwh
ac charge total 5771 kwh
regen total 14846 kwh
 
Nov 8, 2018
483
331
LX
nominal full pack ( capacity including the 5kwh buffer)
nominal remaining ( current charge ) including the 5 kwh buffer
usable full pack (actual capacity with no buffer)
usable full pack remaining ( actual capacity at current charge no buffer)

some numbers for reference my 2014 p85 65k mi currently at about 5-7% degradation

nominal full pack 67.7
usable full pack 63.7
4kwh buffer
dc charge total 17133 kwh
ac charge total 5771 kwh
regen total 14846 kwh

How many miles of range are you getting at 80%, 90% and 100% on your p85?
 

Alset2

Member
Supporting Member
Feb 20, 2020
120
39
Ocala. Fl
"nominal full pack ( capacity including the 5kwh buffer)
nominal remaining ( current charge ) including the 5 kwh buffer
usable full pack (actual capacity with no buffer)
usable full pack remaining ( actual capacity at current charge no buffer)"

So when figuring degradation I should use the "nominal full pack" number correct? NOT the usable full pack as I am thinking??
 
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Reactions: rickyjb

Alset2

Member
Supporting Member
Feb 20, 2020
120
39
Ocala. Fl
Sorry for the naive question.... how did you generate that report (software/cable?)


Here is what I bought to get this info. ( I also bought adapter for my wife's 2020 M3)
Pay attention to the model years that these cables fit-there appear to be 2 different ones for both the MS & M3 .


ADAPTER CABLE -Tesla Model S (2015+) & Tesla Model X - HRN-CT06A11 (includes HRN-CM24Y1)
**Note that this one comes in 2 pieces from this vendor***

ADAPTER CABLE-Tesla Model 3 OBD2 Adapter (2019-2020) - HRN-CT20T11

OBD2LINK-LX -this is the bluetooth device that you plug into the adapter cable and pair with you phone to actually read the data and feed it to the Scan My Tesla app .



Hope that makes since. If not let me know if you need further clarification. The only thing I have found since I bought these cables is that there is someone who makes them out of ribbon cable so they can be left hooked up . I wish I could find how to get one of those ...lol
 

rickyjb

Member
Apr 30, 2017
114
63
united kingdom
How many miles of range are you getting at 80%, 90% and 100% on your p85?

date soc % range at soc mi estimated range at 100% mi mileage sw version temp in C

25/02/2020 71 % 147.57 mi 207.85 mi 68,951 2020.4.1 4a4ad401858 7 C

29/02/2020 80 % 167.47 209.34 69,070 2020.4.1 4a4ad401858 5.16 C

01/04/2020 90 % 187.31 208.12 70,040 2020.8.2 dc9bc402da2 8.5 C

3/03/2020 100 % 207.34 207.34 69,632 2020.4.1 4a4ad401858 8 C


warmer day charges
07/05/2020 91 % 191.2 210.11 71,267 2020.8.2 dc9bc402da2 23.5 C

using tesla fi fleet data there are only 3 other p85 with similar mileage to mine. The average range at 100% (for the 3 cars on teslafi) is 233mi mine is 210mi.

i suspect my car has higher number of dc fast charges than the others.
 
  • Informative
Reactions: T.R.T.e.s.l.a.
Nov 8, 2018
483
331
LX
date soc % range at soc mi estimated range at 100% mi mileage sw version temp in C

25/02/2020 71 % 147.57 mi 207.85 mi 68,951 2020.4.1 4a4ad401858 7 C

29/02/2020 80 % 167.47 209.34 69,070 2020.4.1 4a4ad401858 5.16 C

01/04/2020 90 % 187.31 208.12 70,040 2020.8.2 dc9bc402da2 8.5 C

3/03/2020 100 % 207.34 207.34 69,632 2020.4.1 4a4ad401858 8 C


warmer day charges
07/05/2020 91 % 191.2 210.11 71,267 2020.8.2 dc9bc402da2 23.5 C

using tesla fi fleet data there are only 3 other p85 with similar mileage to mine. The average range at 100% (for the 3 cars on teslafi) is 233mi mine is 210mi.

i suspect my car has higher number of dc fast charges than the others.

Thank you for the info.
Unfortunately those are not that great range numbers.
 
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Alset2

Member
Supporting Member
Feb 20, 2020
120
39
Ocala. Fl
nominal full pack ( capacity including the 5kwh buffer)
nominal remaining ( current charge ) including the 5 kwh buffer
usable full pack (actual capacity with no buffer)
usable full pack remaining ( actual capacity at current charge no buffer)

some numbers for reference my 2014 p85 65k mi currently at about 5-7% degradation

nominal full pack 67.7
usable full pack 63.7
4kwh buffer
dc charge total 17133 kwh
ac charge total 5771 kwh
regen total 14846 kwh


Thanks for the response.

But what # do I use to calculate degradation ? Nominal full pack ?? Nominal usable??

OR is TeslaFi battery report close enough??


No matter what #s I use looking at your numbers I cant get to 5-7% ,but that is part of the fun of owning a Tesla for me ...figuring and learning new things .
 
Thanks for the response.

But what # do I use to calculate degradation ? Nominal full pack ?? Nominal usable??

OR is TeslaFi battery report close enough??


No matter what #s I use looking at your numbers I cant get to 5-7% ,but that is part of the fun of owning a Tesla for me ...figuring and learning new things .

ah yes , the 5-7% range loss is from tesla fi from the other cars close to mine . i should have made that clearer .
my actual battery degradation is closer to 12%-18% if you look at the numbers from a new pack.
85kwh pack when new 81.5 kWh total capacity , 77.5 kWh usable.

you should use nominal full pack as the reference , charge to 100% then use nominal remaining to see whats its on now .
 

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