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Open Roads Forum  >  Travel Trailers  >  Small TT's

 > No power to outlets when in battery mode.

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rmauk

Pennsylvania

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Posted: 07/12/21 06:48am Link  |  Quote  |  Print  |  Notify Moderator

2017 Coachman Viking 16RBD. When plugged into electric everything works fine. When on battery, no power to the outlets, microwave, nor A/C. I've hit reset on all of the GFI protected outlets, checked all fuses, and reset all breakers. Any suggestions?

enblethen

Moses Lake, WA

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Posted: 07/12/21 07:02am Link  |  Quote  |  Print  |  Notify Moderator

Your receptacles and A/C are 120 volt volts. In order for them to work off batteries, you would need an inverter.


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mockturtle

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Posted: 07/12/21 07:05am Link  |  Quote  |  Print  |  Notify Moderator

Even with an inverter your A/C would likely not run off batteries. Either plug into electric or get a generator.


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rmauk

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Posted: 07/12/21 07:15am Link  |  Quote  |  Print  |  Notify Moderator

We have an inverter. Thank you for the clue. We do not plan to run A/C on battery, I just included it for information on what works and what doesn't.

ReneeG

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Posted: 07/12/21 07:18am Link  |  Quote  |  Print  |  Notify Moderator

mockturtle wrote:

Even with an inverter your A/C would likely not run off batteries. Either plug into electric or get a generator.


Same with the microwave or that is how it's with our setup. We have solar panels, 4 batteries, and an inverter. Plugged in, everything has power - outlets, ceiling fan, microwave, TVs, fridge on power, water pump, AC, heater, fireplace, water heater, onboard vacuum.

When no shore power and dry camping, we have power to all the lights, fridge and water heater runs on propane, water pump works, nothing else has power. Until we turn on the inverter, then we have power to all the outlets, including the TVs on those outlets, fridge can run on inverter too, but takes a lot of power so we keep it on propane. Still on the inverter, at our choosing, the microwave and onboard vacuum, does not work, nor does the AC, heater, or fireplace, and anything else of high power use. Probably more information than you needed.


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Gdetrailer

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Posted: 07/12/21 07:23am Link  |  Quote  |  Print  |  Notify Moderator

According to HERE you have an Ultra Light Weight 18ft expandable Travel Trailer.

What you are seeing is correct and normal for not having trailer plugged into a power company powered outlet, there is nothing wrong with your trailers' 120V electrical system.

In general, most RVs do not supply 120V power to the outlets when not connected to the power grid or your own generator.

Some RVs like Motor Homes often have built in generators and/or a large battery bank and a 12V DC to 120V AC power inverter.

It takes a lot of battery power to run large draw items like A/C, hair driers, Microwave ovens, coffee makers.

Your Trailer has a "converter" which is really a 120V AC to 12V DC power supply and battery charger, that unit cannot power 120V outlets as it is designed to charge the 12V battery and supply 12V to all your trailers 12V items when plugged into commercial power.

To power the outlets when no commercial power is available, you will need your own portable generator and for small low wattage 120V loads you can buy and install a 12V DC to 120V AC "Inverter" and you will need to add more batteries to your trailer.

wing_zealot

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Posted: 07/12/21 07:51am Link  |  Quote  |  Print  |  Notify Moderator

rmauk wrote:

We have an inverter. Thank you for the clue. We do not plan to run A/C on battery, I just included it for information on what works and what doesn't.
Are you sure you have an inverter? Or do what you really have is a converter? Give the brand name and model number of your inverter and or converter to find the real answers and get help on resolving your problem(s); if any.

rmauk

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Posted: 07/12/21 07:57am Link  |  Quote  |  Print  |  Notify Moderator

Thank you for this information. I was unaware that our converter did not convert 12VDC to 120V. We were only looking to charge cell phones and the like. also, a CPAP machine.

rmauk

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Posted: 07/12/21 08:20am Link  |  Quote  |  Print  |  Notify Moderator

We do NOT have an inverter, only a converter. I thank everyone for the education.

mr_andyj

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Posted: 07/12/21 08:49am Link  |  Quote  |  Print  |  Notify Moderator

Do a search in this site for the cpac machine use on battery, lots of discussions already that you can read over.

Charge your phones off the DC outlet, not the AC recepticle.

In general, when not plugged in or on a generator use DC power things. Even if you have an inverter it is best to use DC straight off the battery. Usually your laptop will need the inverter of course and few other must haves, but some RVers just never use AC while camping off-grid.

Your battery, batteries, will have a life span and the more they get used the faster they will die. Some RVers get 2 years out of battery, some get 7 or more. Deep power consumption that is often associated with a lot of inverter use will kill a battery quicker than typical DC only use.

Keep thin in mind.

It is possible to rig an inverter up to supply your AC outlets (not AC unit or propane fridge or electric water heater or electric space heater), but if you can limit the AC appliances then it is easier to just plug straight into the inverter's outlets and not do all that electrical work to wire up another system.

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