It looks like great minds think alike... I likewise have been using MidNite's calculator pretty extensively.
Thanks for the anti-oxidant recommendation.
It usually only hits 30*F once or twice here at night in the winter. The coldest day on record was 33 years ago when it hit 12*F...
I bought two of those 4oo ah batteries @gilliganphantom , but in their 12v flavor as they are still maneuverable at 83 lbs. They reported the 24v version to be 145 lbs.
They were delivered FedEx Express in five days, and I am thrilled to death with these things! Just incredible batteries in...
I purchased mine on Nov 8th. If they are being shipped from Tech Direct in SoCal, I would have expected delivery before now, as I am located just north of Sacramento. ????
I went ahead and sprung for the ProLatch-R. It only draws 0.5mA, vs. the .45A parasitic draw from a non-latching relay. So, it really is false economy to purchase the cheap relay when you factor in the power loss over the long run. And Amazon is offering the 240A unit for $159... so, just...