Now that is interesting. Solar charging lbatts. And when full charging sbatts. My l batts are often full. And s batt on 70 %(. I worry to much about having flat batts ). Am always saying to my better half. Switch that off, Am now lost as to. Solar. Lithium or what. Definitely need B2B I think. David(Wilde) you need to move to Kent. Thank you all for your answers. Suggestions and future answers. Love reading all the forums even though they tend to loose me. (Got lost in Woolworths once as a child ). Cheers, positive thinking. ---- the world 1. -- covid 0. Brian.