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Old 29-09-2010, 05:54   #31
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Join Date: Jun 2007
Location: SW Florida
Boat: FP Belize, 43' - Dot Dun
Posts: 2,970
Originally Posted by Joe Simmons View Post
Isn't it very difficult to truly fully charge a single bank if you constantly have a draw on the batteries? You are changing the voltage and current profiles of the bank, therefor 'misleading' the charger.

With 2 banks your allowing your charger unfettered access to the bank it's charging. Doesn't this guarantee a much more complete charge?

Don't laugh I'm new to this.
The charger overcomes the 'draw', hence you are still charging. If the charger is capable of 50amps, you are using 20amps, the batteries get the remaining 30amps. With a smart charger, it'll provide the needed draw (up to it's limits) while at float stage, thus the batteries don't see any of the draw.

If you are using 80amps sustained with a 50amp charger, the charger will run it's programed cycle (bulk/absorption/float), then you have a problem.

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