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Old 02-04-2015, 07:12 PM   #1
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Default Question about 12v/24v battery charging

Hi All,

I have two 12v batteries on a boat, set up as shown in the picture to run both 12v and 24v appliances. My question is about keeping them charged. Can I just put a 12v trickle charger on each battery individually? Or would that screw up the voltage?

Thanks for your help!
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Last edited by nickamudd; 02-04-2015 at 07:27 PM.
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Old 02-04-2015, 07:13 PM   #2
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Sorry, can't get picture to work. Link here: https://www.flickr.com/photos/128505...6/15823134764/
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Old 02-04-2015, 08:03 PM   #3
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It'll work fine provided that the output of at least one charger is isolated from both ground and input.

If not, one or both of the chargers will blow up.
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Old 02-04-2015, 08:07 PM   #4
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Sorry - I'm an electrical dummy. How do I isolate the charger output? Won't it be connected to the battery terminals?
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Old 02-04-2015, 08:11 PM   #5
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