drees wrote:Nissan has not assured us the 2013 chemistry tweaks affected battery durability at all as far as I'm aware. Unless they told you guys on the advisory group something they didn't tell the public. IIRC, they said they were mainly made to help reduce the cost and not to expect any change in performance otherwise.
You're right, they told us the focus was on cost and weight reductions. Still, the possibility is there that the 2013 batteries are longer-lived than the 2011/2012s.
We should be getting some instrumented readings from 2013 owners by now, particularly in Pheonix. Unfortunately all we have early on from 2011/2012 owners are reports of bar losses, so comparisons are difficult. Still, it will be interesting to see how the 2013s are faring.