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For this years winter (if it ever shows up) I got a set of Bikemaster Heated Grips. I quickly threw them onto the bike yesterday and just hooked them directly onto the battery to test them. Now I want to integrate the grips with the bike so that they shut completely off when the bike is off. I...

Hi - was wondering if anyone ever tried maintaining 2 batteries at once using a single battery tender? I have 2 car batteries each with at least 2 to 3 years of life left. I want to keep them sharp in case I need them for my generator. Could I hook up jumper wires from one battery to the other...