Considering the loss of the 9th bar generally occurs at 42-43.5ahr I'd say you have NOTHING to worry about
Do you know the exact in service
date? This is the date the 5y/60k warranty starts for the battery. It's not the build date in the door jam, Carfax among other sources lists the in service date, you can also call Nissan.
Zero QCs! Don't think I've ever seen zero, you'd think the dealer would have QC'd it at least once.....
2012 SL purchased used 2/'16
2013 S w/QC purchased new
Juicebox Premium 60a L1/L2 EVSE, Ebusbar 16a L1/L2 EVSE
'12 EVSEupgrade'd 20a L1/L2 EVSE, '13 EVSEupgrade'd adjustable 6-20a L2, 6-13a L1 EVSE
Zencar 13, 20, 30a L1/L2 portable EVSE
GE Durastation 30a