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Old 10-01-2015, 04:58 PM   #11
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As stated above, you have to have an on board battery to drive the brakes in an emergency. Otherwise you can get by without it. Personaly, you have it so I would use it until it is dead then replace it, with an appropriate sized battery. If you have a decent battery, during a power outage your frig will work, and you'll have lights.

Remember RV batteries are not no maintanace. You do need to fill the cells with DISTILLED water periodically. Tap water will significantly shorten cell's life.
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Old 10-02-2015, 07:07 AM   #12
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As stated above, you have to have an on board battery to drive the brakes in an emergency. Otherwise you can get by without it. Personaly, you have it so I would use it until it is dead then replace it, with an appropriate sized battery. If you have a decent battery, during a power outage your frig will work, and you'll have lights.

Remember RV batteries are not no maintanace. You do need to fill the cells with DISTILLED water periodically. Tap water will significantly shorten cell's life.
Your fridge will work only if it's a model that works off of DC; most fridges in the hybrids work from AC or propane these days.
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Old 10-02-2015, 07:57 AM   #13
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Your fridge will work only if it's a model that works off of DC; most fridges in the hybrids work from AC or propane these days.
That's a bit much of a blanket statement. It really depends on the model of fridge.

I bought a brand new fridge for my old trailer in 2010. It needed no 12VDC to operate. Propane or 120VAC selected by manual switch and piezo ignition.

Fridges like the one in my 2015 trailer were available at the time. It uses 12VDC to control the flow of 120VAC or propane (and ignite it). Without a battery, when the park power goes out, no fridge!

So, you have to know your appliances to know if they will continue to function if no 12VDC is available.
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Old 10-08-2015, 06:35 AM   #14
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Forgot about the 12V igniter for the propane function; good point!


I've also read that 12VDC fridges are not that quick to cool it down.
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Old 10-15-2015, 07:33 AM   #15
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Besides the brakes.. a battery when in the campground will help the converter live longer AND when the power goes out your fridge and lights will still work for a while.
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