got in touch with optimizer he will supply a second one of his 2000 watt models to me.
I am going to do long term tests in the solar array.
https://bitcointalk.org/index.php?topic=1512186.msg15338392#msg15338392optimizer dps-2000 break out board on a dps-1600 psu
two fans under and a scythe sideways to cool psu
the sideways fan stays in place via suction but a string holds it incase of power outage
the sideways fan for the dps 1600 psu