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    Adding a House Battery to Bayliner VR5

    I want to add a second battery, a "house" battery to my 2017 Bayliner VR5 with a 115 HP Mercury 4 stroke EFI engine. Right now, I have one battery, the one that came with the boat. I want to add a second battery and have seen a few diagrams about how to do this but no mention about the size of...
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    Mercury 4 Stroke 115hp Charging Issue?

    I fired up my 2017 Mercury 115hp 4 stroke EFI engine this weekend. The engine fired right up and I let it run for about 30 minutes at 2500 rpm. The voltmeter never got above maybe 12 volts. I took my digital and analog voltmeter and measured about 12.5 volts taken at the battery terminals. My...
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