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

Re: Just bought 2017 30KWh - hoping it was a good idea

Sun Aug 30, 2020 6:07 pm

HDriver wrote:
Sun Aug 30, 2020 4:07 pm
As for range, we picked it up at full charge and did 88 miles about half of which on the highway at 70mph, after which it had 11% SOC, so that would extrapolate to about 100 miles on a full charge - not sure if that is consistent with 97% SOH.
I never drive that far on the highway and rarely go > 65 mph but based on my 2017 S Leaf, I'd say that is pretty consistent with a very good pack. Congrats, sounds like you got a good deal. And in case you didn't realize this already, you'll get more range at slower speeds. Just FWIW in case that is an option. Also check your tire pressure, that can make a big difference as well. Many folks here run > 40 PSI. The ride is just a tiny bit harsher but the range improves significantly over the 36 PSI or whatever it is that Nissan recommends.

HDriver
Posts: 9
Joined: Thu Jul 16, 2020 11:09 am
Delivery Date: 16 Jul 2020
Leaf Number: 061142

Re: Just bought 2017 30KWh - hoping it was a good idea

Fri Sep 11, 2020 9:06 am

Did a longer range day from 100% SOC yesterday with these stats:

Distance Travelled
99.4 miles
Electricity Consumption
22.8 kWh
Average Energy Economy
0.23 kWh/mile

At the end of the drive the battery SOC was 12%.

This would indicate max capacity is 25.9 KWh by my schoolboy maths. Can I calculate this as an SOH simply by doing 25.9/30 = 86.3% or should I be using the 28KWh usable capacity figure?

Not sure if this is a good way to do a range test. SOH still shows 95% according to Leafspy...
"There is no substitute for authentic attention."

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

Re: Just bought 2017 30KWh - hoping it was a good idea

Fri Sep 11, 2020 10:00 am

That seems like a good range test. What kind of driving? Speed, AC use, hills, wind, tire pressure will affect the range. But if you went 100 miles on 90% of charge on a 30kWh pack, I wouldn't worry. The 95% SOH is probably about right. There are buffers at the top and bottom of the charge range that are inaccessible or only enabled when in low power mode, etc so unless the entire 99 miles were at 35 mph I think your pack is fine.

HDriver
Posts: 9
Joined: Thu Jul 16, 2020 11:09 am
Delivery Date: 16 Jul 2020
Leaf Number: 061142

Re: Just bought 2017 30KWh - hoping it was a good idea

Fri Sep 11, 2020 10:57 am

Driving was mixed - some at 60mph some at <30mph. A few hills. No climate control.
Thanks for your time looking at this. I'll start to quietly hope it really is a good pack and I did get lucky!
"There is no substitute for authentic attention."

LeftieBiker
Moderator
Posts: 15473
Joined: Wed May 22, 2013 3:17 am
Delivery Date: 30 Apr 2018
Location: Upstate New York, US

Re: Just bought 2017 30KWh - hoping it was a good idea

Fri Sep 11, 2020 12:25 pm

Range tests, unlike BMS readings, never lie. You have a good pack. I don't recall seeing anything about a 30kwh pack ever 'going bad' except in the case of defective cells, so you should stop worrying.
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2009 Vectrix VX-1 W/18 Leaf modules, & 3 EZIP E-bicycles.
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