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Old 07-05-2015, 07:36 PM   #11
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norty1's Avatar
Join Date: Jan 2011
Location: Charleston, SC
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I think those ac ports are for charging cell phones and other low draw electronics. I would not want to depend on it for charging a battery.

2011 351RLTS Eagle, Mor/Ryde suspension & pin box
06 F350 Lariat PSD, SRW, LB, CC, EGR delete kit, 16K DrawTite hitch, Timbrens, TST TPMS

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Old 07-05-2015, 07:41 PM   #12
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Old 07-05-2015, 10:55 PM   #13
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Location: New Hampshire
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The charging would be FAR more efficient if you simply ran a heavy gauge line directly from the engine compartment to the TT.

Think about it.

You are going to jump 12 Volts DC up to 120 Volts AC, then use that AC power to convert back down to 14-18 Volts DC to charge the Trailer battery.

So, we you jump up you lose energy.
Then when you down convert you lose energy.

Where does the "energy" go? It is lost as heat. Remember the laws of physics, you don't get something for free.

While the previous statements are all absolutely true regarding the output wattage of the inverter, they all sort of missed the point.

Even if you were to plug the TT into the trucks "outlet" and run the converter off your inverter, the converter is doing what? CONVERTING the 120 V AC current into 12V DC.

Long story short, it would be a waste of battery power.
Craig T. Bailey
Hudson, NH
2015 Jayflight 32BHDS
2007 Chevy 2500HD Crew 4x4 Z71
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Old 07-05-2015, 10:59 PM   #14
Join Date: Jun 2015
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Thanks sounds like a generator is the best option

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