Hello Bill

i hope all is well. 

The brand of panel is SunPower and yes, 680 watts total. 

I located the panels that way to minimize curving and to leave some space for the possible addition of 2 smaller panels at some time in the future.

All the best,

Paul Stascavage 
S/V Rita Kathryn SM #466


RitaKathryn.com

Currently Cruising Bahamas