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Old 11-17-2020, 10:53 AM   #15
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I just bought a Honda 2200 companion over the phone. The salesman reassured me that it would work fine as a stand-alone generator for the trailer and if I wanted to use it at home I could add another in series for more power. Hope thatís true about using it as a standalone generator. Any thoughts or opinions is appreciated. I was lucky to snag it. Thereís power failures all over Detroit right now and no one wanted this one for their house.
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Old 11-17-2020, 11:03 AM   #16
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Its the same as the standard one except it has a 30 amp outlet on it next to one 15 amp outlet.
Its still a 15 amp output generator.
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Old 11-17-2020, 03:11 PM   #17
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Good. It should work for me then. The fact it has a 30 amp outlet will let me hook it to the trailer. I only need it to charge the battery daily run the lights, pump, tv, and absorption fridge.
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Old 11-17-2020, 07:32 PM   #18
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Have you considered a 1000W inverter for your vehicle, if you don't want to buy a generator?
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Old 11-18-2020, 07:10 AM   #19
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Have you considered a 1000W inverter for your vehicle, if you don't want to buy a generator?
I was wondering if it was a practical choice but since no one suggested it I bought a generator. Iím happy I pulled the trigger I can use it at home for the occasional power failures.
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Old 11-18-2020, 08:40 AM   #20
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Have you considered a 1000W inverter for your vehicle, if you don't want to buy a generator?
Install an inverter in his tow vehicle and run its engine to charge the trailer batteries ?
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Old 11-18-2020, 08:42 AM   #21
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since no one suggested it I bought a generator.
Post #14. I've also used the inverter to run stuff in the house during power outages. Too small to run a furnace or a fridge but plenty for lights, TV, computer and charging devices.

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Old 11-18-2020, 08:45 AM   #22
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Install an inverter in his tow vehicle and run its engine to charge the trailer batteries ?



If I am understanding your advice-- have tow vehicle's alternator charge its battery to power an inverter to run 120 VAC to the toad/trailer to use its converter or charger to charge its battery.


Lots of losses in efficiency and I personally would not be comfortable with 120 VAC in connections between units, particularly in wet conditions.
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Old 11-18-2020, 10:44 AM   #23
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Converting to 120 volts for charging battery

Using 120 volts for charging over longer distances has distinct advantages. There are conversion losses converting 12 volt alternator output to 120 volts and from 120 volts back to house battery charging voltage.

Charging 12 volt batteries is especially sensitive to line loss. Using short heavy cable with as few connectors as possible is important.

However, line losses are much less at 120 volts.
A 1000 watt 12 volt circuit requires much heavier cable and fewer connectors. 12 volt resistance loss at some point exceeds 120 volt conversion losses.

1000 w @ 12 volts = 84 amps and needs extremely heavy 6 gauge cable.
1000 w @ 120 volts = 8.4 amps and easily works in 14 gauge lamp cord.
500 w @ 12 volts = 42 amps and needs 8 gauge cable
500 w @ 120 volts = 4.2 amps and can use any cheap extension cord.

120 volts AC for battery charging is no more dangerous than an 120 volt electric hedge trimmer or lawn mower.

I wish you good luck and happy trails ahead.
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Old 11-19-2020, 07:43 AM   #24
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Lots of losses in efficiency
This is relative. You just pulled a multi ton RV likely hundreds of miles with a hundred gallons of gasoline or diesel out into the boonies so you can accomplish something of little tangible value. So the premise of energy conversion efficiency is pretty much moot before you start.

There is some economic efficiency. Instead of buying a $500 to $1000 generator, haul it and it's fuel out and back instead you can use a <$100 inverter and the battery and charging equipment in the vehicle which already comes with you. It's dirt simple to bring along and use.

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I personally would not be comfortable with 120 VAC in connections between units, particularly in wet conditions.
No different than running a genset out in the woods connected by the same AC extension cord.

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Old 11-21-2020, 01:45 PM   #25
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As far as charging my battery each morning am I better off to plug the TT into the generator to charge with the trailer system or bring my car charger from home and charge that way? My car charger has standard and deep cycle options.
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Old 11-21-2020, 01:48 PM   #26
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As far as charging my battery each morning am I better off to plug the TT into the generator to charge with the trailer system or bring my car charger from home and charge that way? My car charger has standard and deep cycle options.

We/you would need info on each to be able to compare.


What is charging voltage of each (on board converter vs car charger) with battery, say discharged to 50%???


What is amp charge rate of each with battery, say discharged to 50%???
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Old 11-21-2020, 01:57 PM   #27
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If I am understanding your advice-- have tow vehicle's alternator charge its battery to power an inverter to run 120 VAC to the toad/trailer to use its converter or charger to charge its battery.


Lots of losses in efficiency and I personally would not be comfortable with 120 VAC in connections between units, particularly in wet conditions.
That wasn't advice, it was a question to the previous poster.

See the ??
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Old 11-21-2020, 02:16 PM   #28
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That wasn't advice, it was a question to the previous poster.

See the ??

twinboat,


Yes, you are right. Sorry I missed that.


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