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 > New RV USB plugs, what amperage are they?

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North ID

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Posted: 01/09/22 02:51pm Link  |  Quote  |  Print  |  Notify Moderator

Many new(ish) devices require the higher powered, 2.1-amp USB plugs. On the flip side, most of the plugs I've seen in RVs I believe are under an amp. Anybody knowledgeable on this subject? Is the RV industry keeping up with technology?


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Second Chance

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Posted: 01/09/22 03:27pm Link  |  Quote  |  Print  |  Notify Moderator

The ones in our Solitude fifth wheel appear to be 2.4A:

USB charging port

Rob


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CA Traveler

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Posted: 01/09/22 05:12pm Link  |  Quote  |  Print  |  Notify Moderator

Given the variety of USB standards it seems unlikely that there can be any RV standard. If for example you are asking about a USB-C 3.0A power source you could install the USB connectors needed for your devices powered from 12V DC or 120V AC adapters as desired.


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time2roll

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Posted: 01/09/22 05:36pm Link  |  Quote  |  Print  |  Notify Moderator

Like everything else.... test it and plan to upgrade if needed.


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North ID

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Posted: 01/09/22 05:49pm Link  |  Quote  |  Print  |  Notify Moderator

CA Traveler wrote:

Given the variety of USB standards it seems unlikely that there can be any RV standard. If for example you are asking about a USB-C 3.0A power source you could install the USB connectors needed for your devices powered from 12V DC or 120V AC adapters as desired.
I have only seen USB type A female ports in the RVs I can afford to look at. USB-C ports would answer my questions right up front. Aside from that, I don't care what standard they choose, if they would just share what it is. I don't see that info mentioned anywhere. I'm currently shopping Cougars, Imagines, and Outdoors RVs. But I haven't seen that info anywhere yet, not even on the motorhomes I've looked at. Yes, I could install the ones I want, but then I would need to know if their wiring is up to snuff. This is just regular info that should be available, right?

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Posted: 01/09/22 07:10pm Link  |  Quote  |  Print  |  Notify Moderator

Cigarette plug to USB C adapters are available.

There are new standards evolving that a device could use. Right now there are USB C PD (Power Density) ones that use 20V or 48V for more power.

You could also use a inverter for 120V AC and adapters that come with the devices.

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North ID

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Posted: 01/09/22 07:26pm Link  |  Quote  |  Print  |  Notify Moderator

I appreciate the suggestions and am pretty versed on what's available in the aftermarket. I was just wondering if anybody was knowledgeable about what's typically installed these days.

Hope everybody's new year is off to a better start than the last couple!

Happy Camping!

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Posted: 01/09/22 11:05pm Link  |  Quote  |  Print  |  Notify Moderator

great question. I am watchful waiting.

afidel

Cleveland

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Posted: 01/10/22 12:33am Link  |  Quote  |  Print  |  Notify Moderator

Personally on my last trailer I just tapped a 2 way cigarette adapter off the slide cabling before the switch, biggest 12V lines in the rig and right near the biggest flat surface not taken by other uses. On my new rig I'm planning to put in a couple cigarette adapters directly off of unpopulated 12V slots in the distribution center and installing them in the tv alcove above. I'm thinking a single high amp one to run an inverter for the tv and anything else I want to run on 120V off-grid and a 2 way or 3 way for chargers.

BTW to answer you question for my rig it's probably 2.4A, I'm running a USB powered wifi router and my home automation system off it, each calls for ~1A steady state, peaks can be higher so I put a $10 USB power pack inline.


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way2roll

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Posted: 01/10/22 08:20am Link  |  Quote  |  Print  |  Notify Moderator

No idea the specs of our USB ports in the FW but they are awful. Takes forever to charge my phone so we just don't use them. I'd replace them if I thought it was worth it but we either use the truck or just use the AC wall adapter.


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