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Old 10-27-2020, 07:41 PM   #1
tooth ferry
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Battery Charging

Going to be in natl park with no hook-ups for 5 nites. 2014montana HC. Good Interstate Marine battery and want to hook-up an identical battery from my boat to have more hours to run furnace at nite. (2 12 volts) My question is to recharge should I disconnect one battery and run it on my separate smart charger and run the other on my converter\charger both run on my Honda 2000 simultaneously. Will they charge faster on separate chargers are would they do as well with both on just the house charger (WYCO 55 amp)?
 
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Old 10-27-2020, 08:07 PM   #2
Carl n Susan
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I use my onboard converter to charge six 6V batteries. You converter will be fine to charge two batteries.
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Old 10-27-2020, 08:47 PM   #3
Creeker
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What is the output amperage of your smart charger?

Those WFCO converters are notorious for never going into bulk mode 14.xx volts. They stay at float charge voltage of 13.6 making for very, very slow charging and never getting the batteries to full charge.

A stand alone smart charger rated at 30 or 40 amps will charge both batteries at the same time much faster and fuller than the dreaded WFCO converter.
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Old 10-28-2020, 11:31 AM   #4
tooth ferry
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B attery Charging

One thing I forgot to mention. I will only be able to run the generator 3-4 hours per day. Will I get enough charge in that time to maintain the batteries
for 5 nites. Will only be running furnace at nite and frig on propane. The time on the generator is why I wondered about splitting the batteries onto two chargers.
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Old 10-28-2020, 12:10 PM   #5
Carl n Susan
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My Montana charger doesn't supply a full charge in 3-4 hours, but it does get back up to 80-85% of full. Your WFCO charger is different from what I have. I would think it should be adequate to charge two 12V enough that you can run the furnace at night. You probably don't want to run too much more than that (the refer on propane is fine as it sips 12V).
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