ginetto
Well-known member
For everyone adding leafspy data about it's battery, IMHO should be added also age of the model (Battery or car). BMS do some calculation basing on age also, not only counting coulombs and resistence.
SageBrush said:I thought I understood the different measurements LeafSpy provides but I obviously have more to learn since I am uncertain how much energy remains until turtle, or for that matter the battery capacity.
SageBrush said:^^
Perhaps related ...
I use LeafSpy in its default config GiDs:Wh
For reasons I don't understand, the remaining energy in the battery and battery capacity is quite a bit different depending on whether I rely on Gids or SoC.
For example,
Yesterday I drove the LEAF down to its low battery warning, and then continued driving. If I recall correctly, the SoC meter's last percentage was 26% before the miles remaining meter changed over to a flashing '9 miles' that did not change. Once I got home I hooked up LeafSpy which showed 26% SoC. Gids was 14% pack voltage 360, and 3.1 kWh remaining. Another screen shows 82% SOH in this '24 kWh' LEAF
I thought I understood the different measurements LeafSpy provides but I obviously have more to learn since I am uncertain how much energy remains until turtle, or for that matter the battery capacity.
If 3.1 kWh remaining is correct (and I think it is) and if I ignore that 0.5 kWh is anti-brick reserve, then total capacity would be ~ 12.4 kWh based on a displayed SoC by Lspy of 25%. That is most certainly wrong. First, because my SOH is 80%; and second, because I calculate somewhere in the range of 17 kWh battery capacity from charging events*.DaveinOlyWA said:It would appear SOC is the current state of the battery
LeftieBiker said:SOC is what LeafSpy thinks the current state of charge is, definitely not the "current state of the battery." Where did you get that???
DaveinOlyWA said:LeftieBiker said:SOC is what LeafSpy thinks the current state of charge is, definitely not the "current state of the battery." Where did you get that???
you misread my statement since "current" is not an electrically defined term.
danrjones said:Here were the stats:
Ahr: 101.09
SOH: 87.57
Hx: 98.02
Odo: 11587
SOC: 97.3
V: 402.76
12 mV
Temps: 61.9 to 57.4f
danrjones said:So I did a drive to go hiking over the weekend, normally I don't take my Leaf because it just doesn't have the range. But this drive was close enough to do it, and I gathered some data to try and evaluate current degradation.
I charged to full, and I'll put the LeafSpy data below. I used ABRP to estimate the details, and I used a max speed of 70mph (which is what I drove at) and 10% battery degradation in the settings. ABRP has each leg at 32 miles, arriving at the hike location at 70% SOC and then arriving back home at 42% SOC.
Per the Leaf Dash, I arrived at the hike at 71% and then later back home at 43% SOC. The data certainly seems to match fairly closely to ABRP, which would mean my degradation is around 10%. I left the weather settings alone, as there was basically no wind, and I did not use the heater. One thing I've never been quite sure of is whether ABRP battery % is your dash reading or your LeafSpy reading.
Leaf Spy Data:
Start:
Ahr: 101.04
SOH: 87.53
V: 402.63
Hx: 95.88
10 mv
SOC: 97.9
Middle:
Ahr: 101.04
SOH: 87.53
V: 372.67
Hx: 95.95
16 mv
SOC: 72.2
End:
Ahr: 101.04
SOH: 87.53
V: 350.13
Hx: 95.94
16 mv
SOC: 48.2
Some additional data from MyLeaf:
31 Miles / 9.11 kWh / 3.4 mi/kWh
31 Miles / 7.99 kWh / 3.88 mi/kWh
DaveinOlyWA said:LEAF Spy all the way!
danrjones said:DaveinOlyWA said:LEAF Spy all the way!
Does ABRP really expect everyone to dig into BMS data to put in their SOC? That would mean that you would never put 100% into the SOC in ABRP. Do the ABRP instructions say that somewhere?
I'll have to re-run the data on ABRP but with the Leafspy readings. I'm thinking that will require a lower degradation value to match the data but I'll have to do it to confirm.
Still have full battery bars despite being close to 13% degraded.
DaveinOlyWA said:danrjones said:DaveinOlyWA said:LEAF Spy all the way!
Does ABRP really expect everyone to dig into BMS data to put in their SOC? That would mean that you would never put 100% into the SOC in ABRP. Do the ABRP instructions say that somewhere?
I'll have to re-run the data on ABRP but with the Leafspy readings. I'm thinking that will require a lower degradation value to match the data but I'll have to do it to confirm.
Still have full battery bars despite being close to 13% degraded.
Tried it 3 times and was not even close to happy. Big time pass for me. LEAF Spy does require manual manipulation but rather do that than listen to...well utter BS.
danrjones said:DaveinOlyWA said:danrjones said:Does ABRP really expect everyone to dig into BMS data to put in their SOC? That would mean that you would never put 100% into the SOC in ABRP. Do the ABRP instructions say that somewhere?
I'll have to re-run the data on ABRP but with the Leafspy readings. I'm thinking that will require a lower degradation value to match the data but I'll have to do it to confirm.
Still have full battery bars despite being close to 13% degraded.
Tried it 3 times and was not even close to happy. Big time pass for me. LEAF Spy does require manual manipulation but rather do that than listen to...well utter BS.
Not sure I understand - are you saying ABRP didn't work well for you? Interesting, it has always worked fairly well for me, within 1-2% SOC. I have noticed it is sensitive to wind - or rather, an EV is sensitive to wind, and even a 5 to 10 mph breeze you might not think about (and hence ignore) needs to be put into ABRP to be accurate. The part i like is that ABRP does take into account terrain. We have a lot of terrain around me, so that matters. YMMV?
Turning 55,000 miles. Slight declinerogersleaf said:Turning 50,000 miles. Battery looks very stable over the past 10K milesrogersleaf said:Passing 45,000 miles now... Almost no change since the last reading (SOH actually went up slightly, gained a GID)rogersleaf said:It's been awhile since posting an update. Now at 24 months and roughly 40,000 miles.
My usage dropped substantially over the Winter due to temporary changes in commuting.
LS stats:
AHr... 104.24
SOH... 90.30%
Hx... 110.65%
SOC... 97.3% and 448 GID (although charged 100% on L2 and shut off on it's own after rebalancing cycle)
403.53v, cells balanced between 4.203-4.205v
odo... 39,968
25 QC / 1008 L2’s
LS stats:
AHr... 104.83
SOH... 90.81%
Hx... 105.52%
SOC... 97.0% and 449 GID
403.89v, cells balanced between 4.206-4.209v
odo... 45,159
25 QC / 1124 L2’s
LS stats:
AHr... 104.51
SOH... 90.53%
Hx... 100.03%
SOC... 98.5% and 455 GID
403.90v, cells balanced between 4.206-4.209v
odo... 50,110
27 QC / 1230 L2’s
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