John Orentas seemed to be supporting me (This is from memory. I have not reread the original thread. In fact I was puzzled and was asking out of curiosity, being very new to boat ownership then.
The explanation, IIRC, was that some of the current was being diverted through the 1, 2, Both, Off switch. You know, that big round switch that you have to remember to set aright after you have finiahed cruising or you won't start in the morning. I fitted Smartbank Advanced fairly soon afterwards and regret the purchase not in the least. It has proven a great bit of kit and very reliable.
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