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Old 04-15-2019, 11:06 PM   #1
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Battery Charging with a Generator when Boondocking?

I currently have 2 x 6V Golf Cart Batteries and a Honda EU3000IS with my 2014 A-122TH. I would like to understand how everyone is charging there batteries when dry camping? Obviously the less the generator runs the better.

Do I need to get a battery charger? Or can I simply connect the RV to the generator? Any advise would be greatly appreciated!
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Old 04-15-2019, 11:16 PM   #2
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Plug the power cord from your trailer into the generator. The converter should have a built in charger that will charge the batteries.
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Old 04-15-2019, 11:19 PM   #3
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Battery charger works fastest for me.
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Old 04-15-2019, 11:34 PM   #4
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12vdc out from your generator is only 12v or slightly more. A charger will charge at a higher voltage and should have more amperage available and would charge faster and more efficiently.
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Old 04-16-2019, 12:07 AM   #5
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Been plugging our trailers into our Honda 2000i for 13 years now and never needed a separate battery charger.
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Old 04-16-2019, 08:20 AM   #6
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Here is the difference, if you use your WFCO 55 amp converter for charging you will probably not see anything past 13.6 volts. Now I have assumed that is what you have. If you upgrade to a progressive 4600, you can use there wizard to increase the voltage to bulk at 14.6 , you will charge alit faster. If you don't want to up grade use a external charger. With the WFCO you will be running your generator a lot longer. Once again I assume yours on board is a WFCO. That is the most popular being installed, but garbage for boondocking...
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Old 04-16-2019, 08:29 AM   #7
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your RV is already designed to charge your House batteries - no need for an additional 'charger' - let the generator provide power to both the Converter in your RV, to charge the batteries, and at the same time use the power to use the microwave, provide power to the electric water heater, if you have one, or air conditioning when it's hot.

generators are actually quite efficient and don't use near as much fuel as you might fear - let it do it's work - enjoy!
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Old 04-16-2019, 08:31 AM   #8
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If you plug the RV into the generator you can both charge the batteries and run items like the microwave or coffee pot. If fridge is set to auto, it will save you some propane. Depending on your 12V use, you may be OK with 2-3 hours in the morning and 2-3 hours in the evening. These can coincide with meal prep.
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Old 04-16-2019, 08:53 AM   #9
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Quote:
Originally Posted by Flybob View Post
If you plug the RV into the generator you can both charge the batteries and run items like the microwave or coffee pot. If fridge is set to auto, it will save you some propane. Depending on your 12V use, you may be OK with 2-3 hours in the morning and 2-3 hours in the evening. These can coincide with meal prep.
Quick question using the generator to charge the rv battery. I have a battery switch in my trailer. 2018 Forest River Hyper Lite 30HDS. Does the battery switch need to be on to charge the battery. Thanks

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Old 04-16-2019, 08:56 AM   #10
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If you are referring to the battery disconnect. YES. Basically turning the battery disconnect switch off is like disconnecting the battery.
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