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Old 03-06-2015, 05:15   #1
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Join Date: Jun 2015
Location: Delray Beach, FL
Boat: Airon Marine, 4300 T-Top
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Generator / Battery Charger overcharging engine batteries

Good Morning.

While running, I can't utilize my Battery Charger as it overcharges my starting/engine batteries. A year ago I installed a new Kohler 6EKOD.

My equipment is:

Volvo Penta D435 IPS with extra alternator for the house (all alternators were new and have less than 100 hrs). My Battery Charger is a Pro mariner 12V 50Amp. All batteries are less than 12 months old with proper maintenance.

My question is:

- Should I have to use my battery charger at all while underway or should my alternator supply sufficient house supply? I've received a low battery indicator in the past from the Volvo EVC system. I believe Volvo EVC only monitors the engines and therefore the starting batteries, so why would I get a low voltage notification?

When I received the notification, the only real load was a perhaps a few lights and the stereo radio (which does draw with all of its amps and accessories).

Any thoughts would be greatly appreciated.


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Old 03-06-2015, 19:44   #2
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Join Date: Jun 2013
Location: canada
Posts: 1,280
Re: Generator / Battery Charger overcharging engine batteries

A. you should be able to use both at the same time without issue.

however there is no point. why would you run the engine and gen at the same time?? get an inverter if you need AC power while running.
smac999 is offline   Reply With Quote

battery, charger, charging, engine, generator

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