Hi Rod & Mavis Cos I can OK :laugh: No,the Auto elec.suggested it,sounded plausible at the time ,didn`t cost any more so I said yes go ahead .My tug has 2 batteries for starting as standard.The bigger of the new ones can crank by itself,the second one is just a back up.And I have the deep cycle for the Engal. Cheers Rick & Lea PS When we get back to Qld. I will show you mine if you show me yours!! LOL :thumbsup: