goldbrick
Posts: 950
Joined: Tue Aug 01, 2017 3:33 pm
Delivery Date: 01 Aug 2017
Leaf Number: 311806
Location: Boulder, CO

Re: Used leaf suspicious battery SOH

Mon Jul 20, 2020 10:47 am

The kWh available at 100% SOC depends on the state of the battery, which is almost by definition the SOH. Regardless of how much is 'hidden' at the bottom or top you should be able to determine how much range you can expect from the battery in its current state, which is the spec that matters IMHO.

If you want to determine whether the BMS has been reset, you can search the forums for how many kWh were available in new 24 kWh batteries. I know I've seen that number mentioned here before but I can't remember the exact value at the moment.

LeftieBiker
Moderator
Posts: 15472
Joined: Wed May 22, 2013 3:17 am
Delivery Date: 30 Apr 2018
Location: Upstate New York, US

Re: Used leaf suspicious battery SOH

Mon Jul 20, 2020 1:09 pm

It's roughly 22kwh, maybe slightly less. I don't remember the exact figure either.
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DaveinOlyWA
Posts: 15046
Joined: Sat Apr 24, 2010 7:43 pm
Delivery Date: 16 Nov 2019
Leaf Number: 319862
Location: Olympia, WA
Contact: Website

Re: Used leaf suspicious battery SOH

Fri Jul 24, 2020 8:36 am

kwh varied and was dependent on SOC which was dependent on top end cell balance.

First LEAFs had about 21.8 kwh then 2013 it moved to 22.7 kwh which is not intuitive since GID count only changed from 281 to 284 but Nissan changed the DoD for the greater range.
2011 SL; 44,598 mi, 87% SOH. 2013 S; 44,840 mi, 91% SOH. 2016 S30; 29,413 mi, 99% SOH. 2018 S; 25,185 mi, SOH 92.23%. 2019 S Plus; 13,705 mi, 93.41% SOH
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