House/solar battery opinions
My current battery space is 20"L x 14"w x 10"H Going solar, and want to packs as much AH in there as I can (reasonably). Currently looking at 250 - 300. Price is not THE deciding factor, unless ...
Forum Discussion
seraphim wrote:
Must have done something right this time with mppt
Without mppt
Figured the coefficient myself. Accurate? Idk
Are you sure the Nominal Operating Cell Temperature is 48C. That is way hot. Try an NOCT between Record Low and Average high Temperature. Also set the low lower. 15C is 60F. You are going to camp below 60F!
Is there a link to this panel?
OK, I have looked at the sunelec.com site and found 20 and 45C on two different panels. There could be a bug in the string calculator because 48C seems like a reasonable temp. I know my panels get too hot to touch.
I changed the Low and Average temp to 0 and 55C and got this:
ERROR: The TriStar-MPPT-60 MPPT controller is not compatible with this module.
HTH;
John
