lkkms2 wrote:Note: this is before the Nissan SW update which I am planning to do at the time of my 2nd Annual Battery Check in Dec (2018) or Jan (2019).
johnlocke wrote:amissionleaf wrote:Leaf battery degradation vary between packs and owners but for a specific pack the degradation would be kind of consistent. According to the graph of the degradation over months on this forum, I would guess the miles read when 4th bar is lost would be about 3.6x of the miles read when the first bar is lost. Being that said, if you lose your 1st bar at 30000 miles, most likely you will lose your 4th bar around 108000 miles if no changes in location, charging pattern and driving habit. then most likely you won't get a free battery replacement.
If the first bar drops at 30K mi. that represents a 17% loss of capacity. He will drop the next bar at 77%, the third bar at about 70% and the fourth at 64%. So somewhere around 60k-65K mi. he will lose the fourth bar and be eligible for a new battery. The numbers may vary slightly but should be close to the mark. This assumes the driving habits and distances remain relatively constant. Battery degradation seems to remain consistent unless conditions change. YMMV.
amissionleaf wrote:just to report that my '17 leaf got a firmware update today. I don't have any leafspy data but I feel the update added about 15 - 20 miles to the remaining range reading. the longest range I saw in last summer was about 125 miles with a full charge. Today the range is around 105 with a full charge before the update, and showing 102 remaining + 22 driven right after update. The car was built 11/2016 and I got it in march 2017, now has 20250 miles on it.
lkkms2 wrote:Just lost my 1st capacity bar on my 2017 Leaf after 17094 miles and 1 year 10 months. (QC = 265, L2 = 451/timer)
At time of purchase AHr = 81.32. Now 66.52 so a little over 18% capacity loss. (First year at 9500 miles lost about 10.5% per AHr readings).
Note: this is before the Nissan SW update which I am planning to do at the time of my 2nd Annual Battery Check in Dec (2018) or Jan (2019).
For the record I haven't done the battery firmware update yet. I kind of wanted to drop the fourth bar first just to document it.
Conventional wisdom around here has seemed to indicate loss of the fourth bar around 64% SOH but I'm now well below that.
DaveinOlyWA wrote:hmmm.... Since you have not done the update, how do you know you are well below "anything?"