enblethen wrote:
I have not seen any large amperage solid state relays in a size that would work in RV battery centers or in an electrical area. I am thinking in the amperage range of 100 amps or greater.
Funny you should ask. I have seven 100-amp DC/DC relays coming down here from the USA next week. $15.65 ea on eBay + $1.25 China Post. The three that I have tested here do not current hog when in parallel. At >70% capacity they do need enhanced heat sinking. So a rectified alternator stator tap + fan are in their future.