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Open Roads Forum  >  Beginning RVing

 > One night running the heater and blower

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drsteve

Michigan

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Posted: 05/23/19 11:19am Link  |  Quote  |  Print  |  Notify Moderator

SoonerWing03 wrote:

Well I picked up 2 Golf Cart batteries this morning but I am having a heck of a time finding boxes for them that I can pick up today.


Camco has one for $20. Amazon, or a local RV supply store.

GC2 Twin Battery Box


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bikendan

Camano Island, Wash.

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Posted: 05/24/19 02:04am Link  |  Quote  |  Print  |  Notify Moderator

SoonerWing03 wrote:

Well I picked up 2 Golf Cart batteries this morning but I am having a heck of a time finding boxes for them that I can pick up today.


I've found GC2 boxes at Walmarts that have the batteries in stock.


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time2roll

Southern California

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Posted: 05/24/19 07:49am Link  |  Quote  |  Print  |  Notify Moderator

You don't necessarily need a battery box. Just tie them down is fine.
Or consider going to a container store and find a plastic tub that is close enough.


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philh

Belleville MI

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Posted: 05/24/19 09:52am Link  |  Quote  |  Print  |  Notify Moderator

two boxes is fine. I went with RVlockbox piece, which has to be ordered.

SoonerWing03

Oklahoma

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Posted: 05/24/19 08:32pm Link  |  Quote  |  Print  |  Notify Moderator

Went with 2 group 24 batteries for the short term and just strapped them down good. Set the thermostat to 60 and the heater never once kicked on.... go figure. Lol.

SoonerWing03

Oklahoma

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Posted: 05/24/19 08:32pm Link  |  Quote  |  Print  |  Notify Moderator

Went with 2 group 24 batteries for the short term and just strapped them down good. Set the thermostat to 60 and the heater never once kicked on.... go figure. Lol.

SoonerWing03

Oklahoma

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Posted: 05/24/19 08:32pm Link  |  Quote  |  Print  |  Notify Moderator

Went with 2 group 24 batteries for the short term and just strapped them down good. Set the thermostat to 60 and the heater never once kicked on.... go figure. Lol.

ktmrfs

Portland, Oregon

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Posted: 05/24/19 09:53pm Link  |  Quote  |  Print  |  Notify Moderator

typical furnace draw is 8-10 A. at 50F my guess is that with the thermostat set to 60F, yoau might have 4 hours run time on the furnace overnight, more likely 2 hours. Thats between 16 and 32-40AH, about 50% or less of a 12V battery. you will likely make it.

FWIW In our 35ft trailer at temps in the 40's at night I set the thermostat at 45F and the furnace does not even come on. It will run for 2 hours or so in the morning to warm up the trailer.

For us the furnace is noisy enough to wake us up when it cycles, so unless it gets real cold it doesn't come on at night.

As a comparison I have 440AH of 6V batteries. We can dry camp for 6 or so days running the furnace as needed in colder weather, (2-3 hours day on teh furnace) along with a CPAP, and lights and occasional TV and using the microwave on inverter to heat vegies etc. before the batteries are at 50%.


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rvshrinker

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Posted: 05/24/19 11:15pm Link  |  Quote  |  Print  |  Notify Moderator

How do you run the microwave and outlets without shore power? What is an inverter?

bikendan

Camano Island, Wash.

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Posted: 05/25/19 02:38am Link  |  Quote  |  Print  |  Notify Moderator

rvshrinker wrote:

How do you run the microwave and outlets without shore power? What is an inverter?


normally, you'd need an inverter generator.

but if you have a big battery bank and a big inverter, you might be able to run the microwave for a few minutes.

to run the outlets, the inverter would have to be wired into the RV's 110v AC electrical side. this would not be an easy task.

an inverter inverts 12v DC battery power to 110v AC power.
most just use an inverter plugged into the 12v cigarette lighter socket and plug a tv or electronic devices into the inverter.

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