Turbo3
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Location: San Jose, CA

2018 40 kWh Battery Data

Sat Sep 16, 2017 12:08 am

Use this thread to discuss the new 40 kWh battery which is standard on the 2018 Leaf.

Below is a screenshot from a development (not yet released) version of LeafSpy Pro showing the AHr rating for the battery.

The location of the Battery State of Health (SOH) value seems to have changed on the CAN bus so is zero on this screen.

The number in place of the VIN is the battery serial number.

Image

cwerdna
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Re: 2018 40 kWh Battery Data

Sat Sep 16, 2017 12:58 am

Hopefully we get some folks from Japan running your app and helping out with this. They're first in line in October.

Otherwise, I guess you'll have to make do with cars at events and brought to you for test drives. :)

'13 Leaf SV w/premium package (owned)
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DaveinOlyWA
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Re: 2018 40 kWh Battery Data

Sat Sep 16, 2017 7:35 am

Following
2011 SL; 44,598 miles. 2013 S; 44,840 miles.2016 S30 deceased. 29,413 miles. 2018 S40; 5775 miles, 488 GIDs, 38 kwh 113.37 Ahr available, SOH 98.21, Hx 115.75
My Blog; http://daveinolywa.blogspot.com" onclick="window.open(this.href);return false;

ElectricEddy
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Re: 2018 40 kWh Battery Data

Sat Sep 16, 2017 6:43 pm

Seems like a lot of charging sessions for 4 miles on the odo :lol:
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mfd date 09/16

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Nubo
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Location: Vallejo, CA

Re: 2018 40 kWh Battery Data

Sat Sep 16, 2017 7:25 pm

ElectricEddy wrote:Seems like a lot of charging sessions for 4 miles on the odo :lol:


Interesting. I wonder if those are part of the "battery forming" process and/or testing.
I noticed you're still working with polymers.

Turbo3
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Re: 2018 40 kWh Battery Data

Sat Sep 16, 2017 8:51 pm

ElectricEddy wrote:Seems like a lot of charging sessions for 4 miles on the odo :lol:

The explanation for that came at today's EV event at De Anza College.

They demonstrated using a Japanese product that they are trying to get approved by UL that takes energy from the Leaf and drove their display booth (TV and t-shirt maker).

The battery in the Leaf is just being used for energy storage in a stationary mode. The Leaf is normally moved in a transporter truck.

This explains the low mileage but lots of QC (to get energy out) and L1/L2 to get energy in. I am assuming the QC increments independent of the direction of the current. I can look at the data I collected today to confirm this as they had to move the Leaf due to a water main breaking and flooding the original demo location.

DaveinOlyWA
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Re: 2018 40 kWh Battery Data

Sat Jan 27, 2018 9:33 am

Well, was expecting some updates here by now but seeing as the key element; the CAR! is still missing, I guess not. :(
2011 SL; 44,598 miles. 2013 S; 44,840 miles.2016 S30 deceased. 29,413 miles. 2018 S40; 5775 miles, 488 GIDs, 38 kwh 113.37 Ahr available, SOH 98.21, Hx 115.75
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OrientExpress
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Re: 2018 40 kWh Battery Data

Sat Jan 27, 2018 9:52 am

Rumor is that moving forward the CAN-Bus data will be encrypted. The logic was that the Pro Pilot assist will run on the same network, and needs all the bandwidth it can get, so to discourage sniffing, and extra traffic, the stream will be closed.
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Stanton
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Re: 2018 40 kWh Battery Data

Sat Jan 27, 2018 10:46 am

OrientExpress wrote:Rumor is that moving forward the CAN-Bus data will be encrypted. The logic was that the Pro Pilot assist will run on the same network, and needs all the bandwidth it can get, so to discourage sniffing, and extra traffic, the stream will be closed.


That would suck if true. Kind of makes me want to hang on to my first generation Leaf... :(
2011 Blue Ocean SV w/floor mats & window tint
12v LiFePO4 battery & FIAMM 74100 horns
Wet Okole seat covers (front)
Tor's low-power heater mod
2013 sun visor
3G modem upgrade
L2 EVSE Upgrade
Battery Pack replaced (Rev E) @51 months and 41k miles

DaveinOlyWA
Posts: 12874
Joined: Sat Apr 24, 2010 7:43 pm
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Leaf Number: 314199
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Contact: Website

Re: 2018 40 kWh Battery Data

Sat Jan 27, 2018 10:56 am

That was always the case but thought that read only was still available?
2011 SL; 44,598 miles. 2013 S; 44,840 miles.2016 S30 deceased. 29,413 miles. 2018 S40; 5775 miles, 488 GIDs, 38 kwh 113.37 Ahr available, SOH 98.21, Hx 115.75
My Blog; http://daveinolywa.blogspot.com" onclick="window.open(this.href);return false;

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