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Old 05-28-2013, 04:56 PM   #11
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Originally Posted by bikendan View Post
a TT has way more parasitic power drains than a popup does. the radio still uses power, even when off. so does the propane alarm, fridge and other things.

having a single group 24 battery will not last very long dry camping.
since we almost always dry camp, we have two batteries and a Honda 2000w.

as the others said, your fridge needs 12v battery power to operate on propane.

also, how do you know the battery was fully charged when you left? did you test it before you left?
was it connected to shore power or are you assuming it was charging while towing. if it wasn't connected, it would have already been depleted. and not all tow vehicles are set up to charge the battery while driving. and the majority that are set up, only provide a trickle charge.

suggest you Google: "The 12v Side of Life I&II". it'll help you understand how your trailer works.
My battery was fully charged, at least according to the meter on my charger when I hooked it up before leaving to go camping. I always take the battery out of the battery box and charge it in my garage in between trips. I leave it on my battery tender I use for my Harley battery in the winter. I'm told my tt is set up to charge my battery while hooked up to my truck too. Might have to bring spare battery next time but better off learning do's and dont's for the few times we dry camp.
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Old 05-28-2013, 05:09 PM   #12
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You may want to look at buying some solar panels to "recharge" during the day since most light consumption would be at night. 10-15 watt panel should have you ready to every night.
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Old 05-28-2013, 05:11 PM   #13
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For example, my 30 ft 5er pulls .27 amps just sitting here. Nothing on.

That is an amp every 4 hours or 6 amps a day.

The refer seems to draw 1 amps of 12volts on gas or electric.

The radio about .5 amps depending on volume.

Furnace fan about 1.5 amps (fan only to hot to check total furnace draw).

As said before lights are a Huge draw.

So with a group 24, if you have it and using 50% capacity, it don't take long.
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Old 05-28-2013, 05:22 PM   #14
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You may want to look at buying some solar panels to "recharge" during the day since most light consumption would be at night. 10-15 watt panel should have you ready to every night.
At 12 watts, your panel will produce 1 amp hour in peak sun.
If you get 4 amp hours per day I would be shocked.

At that rate it would take 20 days of charging to recharge an 80 amp hour battery; provided you stopped using it.
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Old 05-30-2013, 04:34 PM   #15
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At 12 watts, your panel will produce 1 amp hour in peak sun.
If you get 4 amp hours per day I would be shocked.

At that rate it would take 20 days of charging to recharge an 80 amp hour battery; provided you stopped using it.
That's the fact Jack... I wouldn't bother with anything less than a 80w panel, which will give you 4-6 amps in peak sun or maybe 30 AH in a decent sunny day, laying flat on roof. If you can point them maybe 10-15 AH more...
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