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Old 09-05-2012, 09:58 PM   #15
mahal
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Join Date: May 2010
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My 3-bank charger fried the generator battery prematurely, so after replacing the genset battery, I did not reconnect it to the charger. Instead, I connected it to the house bank via an echo charger. As I understand it, even if a charger can charge 3 different banks, that only means that it doesn't combine the banks. The battery banks will be charged the same even if there is a bank that didn't need charging (hence the frying).

I hope I did the right thing, but I read a post from Larry M. here that his generator battery is only being charged by the generator. I think that this makes more sense as these batteries really don't need much charging. Maybe when I use my boat more regularly I will copy Larry's set-up. My genny sometimes goes for 3 months without use, so some charging is needed to keep the battery from dying.

So if you use the generator regularly you may not need to connect it to the charger. And the same goes for the engine starting batteries. Just a thought.
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