Funnily enough a mate has just popped round for a brew and we were in the middle of a conversation about Smartgauge for his boat and what they do. I know bugger all about serious battery monitoring, my feet are very firmly in the Mrsmelly camp, but i said i know somewhere that does and this this thread is 4th down on recent topics.
He asks...I have 4 leisure batterys 2 x 110 & 2 x115 of indeterminable age if I fit a SG will it tell me what the capacity of my batterys are now and to wire in is it just a case of poss and neg one to each end of the bank.