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Old 10-08-2017, 02:34 PM   #1
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Newbie battery generator converter question.

I have the newmark dcv 20r converter. I can put multiple batteries. I want starting ability once in a while but more than anything powering electronics lights the fridge an ac or heater you know the main stuff. Smaller Kitchen appliances etc.
Its connected to shore power now and runs the fridge lights and all the 110 outlets work. etc. It also has a propane line that we plan on using with a 100 gallon tank.

Where it will be going there is no shore power.

What do i need to run this baby (not drive it) and live comfortably? I am in northern nevada

Would love your advice and what you think would be good options on the cheaper end

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Old 10-08-2017, 03:54 PM   #2
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Hey Stacey,

Running small loads from battery power is pretty straightforward. You will need some method of recharging. Solar, generator or shore power.

For larger loads it becomes more difficult due to the size, weight and cost of the batteries needed to support them. Anything with a decent size electric motor or a heating element is likely to be better suited to running from shore power or generator.

In my last bus I didn't have solar so my charging options were limited to Genny or shore power. I fell into a fairly regular routine when boondocking. When I got up in the morning i would start my generator, run the coffee maker, microwave and (wife's) blow dryer. That generally meant 1-2 hours of generator time each morning. That also topped my battery bank.

My cooktop, oven, heat and hot water were all propane.
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Old 10-08-2017, 05:56 PM   #3
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Hey Stacey,

Running small loads from battery power is pretty straightforward. You will need some method of recharging. Solar, generator or shore power.

For larger loads it becomes more difficult due to the size, weight and cost of the batteries needed to support them. Anything with a decent size electric motor or a heating element is likely to be better suited to running from shore power or generator.

In my last bus I didn't have solar so my charging options were limited to Genny or shore power. I fell into a fairly regular routine when boondocking. When I got up in the morning i would start my generator, run the coffee maker, microwave and (wife's) blow dryer. That generally meant 1-2 hours of generator time each morning. That also topped my battery bank.

My cooktop, oven, heat and hot water were all propane.
We were thinking of doing a 12v duracell heavy duty from battieres plus for starting and either 1 12v deep cycle or 2 6v deep cycle. To charge we werr thinking of doing 100 w solar and use the coach idling to recharge until we get a generator does this sound appropriate? The beast has 2 gas tanks and runs gas it gets abput 2 mpg. How much gas do you think it will take to do a battery charge? Can we get awal with doing itt this way?

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Old 10-08-2017, 09:07 PM   #4
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Another question. Can i run this computer on the 12 v battery or do i need 2 12vs batteries

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Old 10-08-2017, 10:54 PM   #5
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You need to calculate your expected electrical load over a 24 hour period, in amp hours.

Then decide how long you will have to go without re-charging the battery(s).

Expect to double your final figure as the amp hour requirement as you don't want to discharge the batteries by more than 50%

So, if you have 600 Amp hours of stored capacity, you can use 300 Amp hours before needing a re-charge. So that would be 300 Amps for 1 hour, and 3 Amps for 100 hours. It's not quite that simple, but you get the drift.

There is a point where simply buying batteries isn't the answer because of weight and cost. A small inverter generator is quite capable of topping up the batteries with a few hours running.

All of this is simply a guide to how long you can "boondock". Solar power increases that time because the solar will put charge in the batteries too.(Actually that's all the solar does ... charge batteries and contribute to inveter output).

It's not whether a single, or multiple batteries will power an individual item like your laptop, but more a case of how long you can power the items you want to run.
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Old 10-09-2017, 11:06 AM   #6
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We need a sticky with electrical load worksheets and solar/battery sizing calculator.
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Old 10-09-2017, 11:26 AM   #7
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The power inverter sites have some charts for both a.c. & dc components. If you want to run off batteries for an extended period, I'd recommend the 8d series deep cycle batteries. They're expensive and large and heavy, but they provide a large amount of amp/ hrs. I'm going to add 2 to mine. Already have 2 of the cranking ones for the Cummins. GL

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Old 10-09-2017, 02:24 PM   #8
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We need a sticky with electrical load worksheets and solar/battery sizing calculator.



....and about 10 other sticky's.
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Old 10-09-2017, 02:48 PM   #9
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....and about 10 other sticky's.
Body style FAQ

Popular Engine/transmission FAQ

Buying a used bus, what to look for?

How do I get my bus home?

Electrical FAQ's
Overview and load calculations
DC systems
AC systems
Generator
Solar

Where do I start?

Air conditioners. Road and parked.

Off the top of my head, those are most of the "daily" questions. What have I missed?
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Old 10-10-2017, 12:16 AM   #10
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On the dcv inverter the output is 20 eventually we will get a new one with a larger one. But what can that run?

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