In the last few weeks, we've lost one of the 'available' bars (see picture
). We've put 17,000 miles on it in 14 months. I immediately called the dealer, and he said it's normal, we'd lose one bar and then won't lose any more, and he's seen it in cars with only 6 months of use. He's had Nissan Engineers evaluate it and it's 'normal'. Battery test from 3/28/2012 was normal, 12 status bars, 5 stars.
At 100% charge, we only get about 3-5 miles now off of the 12th bar. I think I've had 10% drop in range in the last handful of months but I have no evidence to support that. Sometimes my old leadfoot ways return when I least expect it, so I don't want to shout much about overall range, but I "feel" like it's dropped significantly, and the loss of a bar supports that.
Has anyone else seen this? This does not seem like the 'gradual' loss advertised.
Summary of thread: This is definitely a problem in hot climates. There appears to be NO correlation to car color, air conditioned garages, 80% charging, driving efficiency, miles driven, quick charging, or anything else beside outside ambient temperature. In other words, cars are being treated exactly as outlined in the owner's manual. We personally know at least a dozen leaf owners, many not mentioned below that have lost at least 15% capacity. According to the ScanGuage, the 2 that haven't lost one, are in the 80's and will be losing one soon. Nissan still claims this is normal, gradual loss and not covered under warranty. Phoenix has now seen up to 30% loss in one year, 25,000 miles of driving.
After a news story run on CBS5 Phoenix, Nissan decided to take 6 of the most affected cars out to Casa Grande for testing. Results are not available as of yet.
Also: I updated the title of this thread. 11 bars is the least of our problems at this point!
For an updated list of affected owners, as reported to members of this thread, see the wiki:wiki/index.php?title=Real_World_Battery_Capacity_Loss
For an another summary of some of the topics in this thread, see this post:viewtopic.php?f=30&t=9694