This might be a really dumb question but I’m that kinda guy so I’ll ask it anyway. Is there a way to test an onboard charger is actually charging and doing it’s job correctly? I’m trying to figure out if the batteries are staying charged or if I’m slowly losing power though the day. I recently replaced my old MG Pro Series 70 with a MG X5 80 and I see no difference in performance at all. My boat is only 18.6 ft so I was assuming the 80 would have no issues handling it. For the most part it’s no problem but if any wind kicks up at all, I have to almost put the speed setting to max just to have a chance. Both trolling batteries were replaced during spring of last year at the same time.