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Old 01-31-2015, 05:57 AM   #1

Freightliner Owners Club
Join Date: Mar 2014
Location: Iowa
Posts: 74
Battery Consumption

Myself and DW are just a few years from retirement, we are considering to purchase a Itasca 42 QD Ellipse or Tour. Could someone please give me a good idea what the power consumption these coaches require? Thanks in advance.

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Old 01-31-2015, 08:53 AM   #2
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Power consumption and battery consumption are two different animals.

IF you normally park in full hookup parks,, Batteries are only used when between parking spots.

Consumption of power varies a lot from person to person.. For example, I believe coaches (trailer and motor homes) are designed to run around 10 hours on a chilly day (Furnace) without a recharge, Some folks go 2 or 3 days, but most of them have upgraded.

This includes limited use of lights, and furnace, Fridge on Gas, Same with water heater. NO air conditioner.

Some folks put in an inverter in the 1500-3000 watt range (True sine wave please) this can power TV's. microwave, And some other stuff (kitchen/bath/patio outlets) These suck batteries big time, Recommended minimum battery install is 200 amp horurs or more per kilowatt (IE: 2,000 watt, 2 pair GC-2)

But consumption varies big time.. Cook with gas or Microwave for example.

To estimate amp hour consumption of an appliance divide wattage by 10,, I know that is not the proper formula but by the time you factor in the conversion loss and all the other losses, it comes out very very close. And it makes the math real easy.
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