Losing the 12th bar (~55Ahr) and 11th bar (~51Ahr) will happen quickly, at least that's how I've experienced it with both our 2011 Leafs.
Then, it takes a long time to lose the 10th and 9th bars. Our 2 Leafs were driven on different commute ranges and experienced different charging profiles throughout the a typical week.
Here's some old data if you're interested in the behavior of both our 2011 Leafs: viewtopic.php?f=44&t=12789&start=800#p486628
We've since gotten new replacement batteries in our 2011 Leafs. Based on our past 5 - 6 year experiences, I would say the one thing that definitely helps with battery health is: Drive it within the hour of a full charge. My wife's car receives 2 full charges per day and her battery was never worse off than mine.
The next thing we shall avoid this time around, is depleting the battery down low, say to 2 bars. We'll try our best to use the vehicle down to 4 bars (lowest) before the next charge up.
For my car (lets call it the Silver Leaf): I would charge mine (to 80%) but barely use the vehicle some days of the week. The car will just be sitting there mostly @ 80% charge. I am trying to avoid this now the best that I can with my new battery, but it's difficult to time it right....
The climate in the SF Bay Area doesn't do much harm to the batteries. We park/charge both our vehicles outside the garage for the last 5 - 6 years. Lots of QC'ing doesn't do much harm either.
All your posts really did help. I came to the feeling that it's not that bad and it is what it is. I had already started just "driving" it like a car and not worrying about stuff.
Well yesterday I Level 2 charged it to 100%. I hadn't really fully charged the thing in about 4 months and I figured it'd be good to re-balance the battery pack. Today I hooked up LeafSpy to see if the numbers changed drastically because of the 100% charge/re-balance and I got these numbers (my first post's numbers are included first):
10/08/17: AHr= 54.98 SOH= 84% SOC= 70.9% Hx= 81.09% 384.78V -0.45A odo= 23,798 3 QCs & 1417 L1/L2s
10/30/17: AHr= 54.69 SOH= 83% SOC= 90.3% Hx= 80.29% 392.65V -1.12A odo= 23,980 3 QCs & 1429 L1/L2s
webb14leafs wrote:I don't see why you think you will be down to 9 bars in late 2018. If your car is currently 4 years old, that means you're losing roughly 4% capacity per year. In 18 months you should still have 11 bars at that rate.
I just lost my first bar last week. 2014 (late 2013 build date) S with 22,000 miles and only 6 QCs. 84% SOH. It had 87% SOH when I bought it in April. I live in south Florida and the summers are long and brutal. Hopefully my degradation rate holds to about 5-6% per year. I drive 40 miles per day and also have free Level 2 charging at work, so I really only need about 30 miles of range.
This is why I had a feeling that I'll be down to 9 bars shortly after my warranty ends. Just 3 weeks later and only 182 miles later, I've lost 0.29 AHr and 1% SOH. Sorry to ask again but is this normal?