Y2-8
Solar panels are clear and in good condition, all cables are good.
Each battery was checked with a multimeter:
Top battery 13.06 VDC
Bottom battery 13.00 VDC
The LCD readout at the charge controller showed for both batteries 26.10 VDC

X2-8
Solar panels are clear and in good condition, all cables are good.  Removed a few tumbleweeds from on top of the panels.
Each battery was checked with a multimeter:
Right battery 13.79 VDC
Left battery 13.34 VDC
The LCD readout at the charge controller showed for both batteries 27.40 VDC

Batteries were installed on 10/2015.