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Old 07-15-2009, 02:17 PM   #21
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Re: Solar power questions...

Quote:
Originally Posted by swinada
Quote:
Originally Posted by ezbme
Quote:
Originally Posted by lapeer20m
you may also need to get a fancy (expensive) pure sine wave inverter to run that printer. I am of the understanding that a laser printer is one of the few items that will not work properly with a modified sin wave inverter. I have not actually tried it myself.
Thanks lapeer, I am slowly edu-makating myself in solar & starting to realize that my direction may have to change...
I am thinking that we just need to sell the laser printers (we have 2) & buy an energy star inkjet & maybe just fill our own ink cartridges to save on cost as we do alot of printing. Has anyone ever filled their own ink cartridges? Any input/advice?

Would a modified sin wave inverter be sufficient for a laptop?
How about keeping one laserprinter and only use it when you are connected to shore power? or are you planning to live off grid all the time?
I wish I could keep one laser but we are going to be off grid completely. There lies in another thing I need to consider as I am sure we will need to power other items that I am just not aware of yet. We have extended our move date back another month till the end of sept to be sure we have researched everything we need to before committing to buying a solar power system.
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Old 07-15-2009, 02:26 PM   #22
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Re: Solar power questions...

So who recommends what style batteries? I will need something that can be used everday....
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Old 07-15-2009, 04:17 PM   #23
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Re: Solar power questions...

Actually I like the C&Ds better than the Optimas but it probably doesn't matter much. I would only consider AGM batteries for my banks right now.
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Old 07-15-2009, 06:23 PM   #24
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Re: Solar power questions...

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Actually I like the C&Ds better than the Optimas but it probably doesn't matter much. I would only consider AGM batteries for my banks right now.
Thanks to all for the input so far... much appreciated! What is the difference between AGM, C&D & Optima batteries, both cost & quality?

EDIT: has anyone gone with 24 volt & if so what are the benefits?? I need the most efficient but resonably priced setup possible...
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Old 07-16-2009, 09:22 AM   #25
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Re: Solar power questions...

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Originally Posted by Smitty
Battery Types: Flooded versus AGM and Gel
http://www.vonwentzel.net/Battery/01.Type/index.html

24v will allow you to run smaller gauge wiring (as opposed to 12v).
http://www.skingco.com/portable_power/w ... _chart.htm


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Thanks Smitty! Good info!
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Old 07-16-2009, 04:04 PM   #26
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Re: Solar power questions...

Here is a neat tool for designing your battery bank.

http://www.freesunpower.com/battery_designer.php
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Old 07-16-2009, 07:52 PM   #27
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Re: Solar power questions...

Quote:
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Here is a neat tool for designing your battery bank.

http://www.freesunpower.com/battery_designer.php
Now THAT IS a cool tool! I will definately check this out tonight when I get the chance! Thanks much Steve!

Jonathan
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Old 07-16-2009, 09:19 PM   #28
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Re: Solar power questions...

OK Steve, that IS the tool to use - with the System Sizing Tool, the Battery Bank Designer, & the Wire Size Calculator... That & all the other helpful info. I will be reading all the links!
Oh & I was just handed my Kill-A-Watt tool that came in the mail!!! WOOHOO! Now I can get somewhere! THANKS so much everyone. I am sure I will still have questions tho
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Old 07-21-2009, 01:54 PM   #29
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Re: Solar power questions...

Well with the Kill-A-Watt meter I was able to calculate our usages. We have dropped to the bare minimum & I have incuded a screen shot of the calcs & needs...



We are looking at (2) new 90 watt panels along with a used Xantrex RS 3000 true sinewave inverter with LCD charger and regulator. Also, auto line and inverter transfer switch. It is a complete network system control. This system described is available for $750.00. I am looking for advice on this system & any input if there is anything I am missing! I need help deciding as i can only buy this equipment once & wanna make sure I do it right the first time. This is a 12v system.

here is a photo of the label on the back of one of the panels...

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Old 07-21-2009, 05:26 PM   #30
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Re: Solar power questions...

on advice, what ever you do, dont mount batteries inverter charger etc at the very rear of your bus. I made that mistake and mounted under bed at the rear, it gets very warm when driving down the road, batteries and such dont like it that warm.
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