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Small Cabin Forum / General Forum / Off the grid Question
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Seppe
Member
# Posted: 1 Apr 2016 10:24pm
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Hi,

I am pretty new to all of this and was wondering if i could get some professional advise before taking any actions.

I will be moving to a place where i don't have hydro.
Fridge, stove, lights run on Propane.
I would like to get Xplornet (internet with landline phone)
Was thinking to get 1 or 2 deep cycle batteries and just charge them by generator. The only thing this battery would have to power is:
- Router/Modem (24/7)
- Telephone (24/7)

- Computer/tv/dvd/charging electronics (occasionally)

What would be my best choice?
Any advice?
Wich batteries?
Is the battery even gonna work for the 24/7 router/telephone??

Any help is welcome

bldginsp
Member
# Posted: 1 Apr 2016 11:46pm
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I'm no expert but all the experts say that you need to do careful calculations when setting up any off grid electrical system. Calculate your power needs, then figure what capacity you need to supply it. Ya gotta learn to do the math and think in amp-hours, watts used, etc. etc. Crack da books.

beachman
Member
# Posted: 2 Apr 2016 10:27am
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Boy, I have been studying this thing for a couple of years and I am just starting to understand it. But, as they say, a little knowledge can be dangerous. I think the general consensus would be to determine what your power needs will be and allow for some growth as you will probably want to add things once you see how great these systems can work.

I have been living with propane appliances and lights for, let's just say a long long time. Propane is great but lately there have been great strides in new electrical refrigeration that might be appealing. Generally, you cannot beat the efficiency of propane for any heat source -stoves, heaters... I am a real fan of propane but I have started down the solar road and found this to be very rewarding.

You state that you would charge your batteries by generator. Is solar or wind an option for you? Initially you might just need one deep cycle 12 volt battery. I say deep cycle because you need something that will provide long lasting power, not just short bursts of high energy - like a car battery.

Say you needed 200 watt-hours per day to run the router modem and phone (just a pure guess). This is considered a small system. To find out your exact needs you might try running your planned devices through a Kilowatt meter. That said, if you had a 100 amp battery at 12 volts, it would give you 1200 watt hours. Since you never deplete your battery more than 50%, it would safely provide about 600 watt hours of power, giving you about 3 days of use before the need to recharge.

There are many others on this and other sites that can give you good advice. I still consider myself a newby so hopefully the information will help you get started.

creeky
Member
# Posted: 2 Apr 2016 10:18pm
Reply 


the satellite xplornet router / modem consumes about 45w/hr.

45x24=1kw/day.

So it all depends on where you live and if you can get 4G. I understand that the 4g router uses less power.

get a cell phone.

Get a lithium battery.

Outta curiosity. Why does your internet need to be on 24/7?

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