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Sprinter RV's & Conversions Talk Common features found in Sprinter RV's and Conversions.


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Old 01-14-2011, 04:27 AM   #1
icarus
 
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Default FAQ: Batteries

I realize that it is far into this thread, but everyone who has RV batteries should read these links and understand how batteries work,, and more importantly, how they don't work. Most of the info in any RV manual regarding batteries is just plain wrong!



http://www.batteryfaq.org/

http://www.windsun.com/Batteries/Bat...of%20Batteries

(I design and build off grid solar power systems so I know a little bit about what I speak!)
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Old 02-16-2011, 05:27 AM   #2
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Default Re: FAQ: Batteries

Thanks for passing on your knowlage and the Battery links.
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Old 02-16-2011, 06:26 PM   #3
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Default Re: FAQ: Batteries

In addition to the Wind-Sun site Icarus has a link to above the associated forum he has provided a link to below, I found the following sites helpful in designing and building the electrical system in my conversion.

http://handybobsolar.wordpress.com/. Lots of practical information about RV solar installations, wiring, and batteries from an electrical engineer who has been boondocking for 7 plus years without resorting to a generator and rarely having to plug in. He lambasts RV dealers and RV solar "experts". Well worth reading his blog.

http://www.vonwentzel.net/Battery/index.html. Lots of information about batteries from a marine standpoint. The author works through some of the myths and misinformation that abounds concerning batteries, battery types, and their use.

http://www.cruisersforum.com/forums/f14/. Link to the Batteries, Generator and Solar forum on Cruisers Forum. The information is geared to marine systems and sailing in particular but applies directly to RV systems as well. These folks' lives depend on their systems functioning properly and safely. Lots of information available using the search function.

http://www.amplepower.com/index.html Like Handy Bob these folks are iconoclasts. They manufacture and sell electrical system components and controls for marine electrical systems as well as land based solar PV systems. Click on the Technical Documents tab to get started. I ended up ordering their Ample Power CD which contains two books, Living On 12 Volts with Ample Power and Wiring 12 Volts for Ample Power.

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Last edited by Krenovian; 02-16-2011 at 07:39 PM. Reason: clarity
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Old 02-16-2011, 06:50 PM   #4
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Default Re: FAQ: Batteries

Since this was imported from another thread, I will provide the other link.

The following is a solar energy forum, that is tightly moderated, filled with some very smart folks who have forgotten more about solar and solar installations (including off grid and Rv installations) than most of us will ever know.

I invite anyone with some interest in the subject, or anyone who is pondering doing some solar installation on a vehicle to come visit, and use the resources there:

http://www.wind-sun.com/ForumVB/sear...earchid=722177

While the site is sponsored by a well respected retailer, there is no pressure to buy from the vendor. It is an open forum for discussion, idea sharing and real world problem solving

Icarus
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Old 02-19-2011, 05:54 PM   #5
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Default Re: FAQ: Batteries

Quote:
Originally Posted by icarus View Post
I invite anyone with some interest in the subject, or anyone who is pondering doing some solar installation on a vehicle to come visit, and use the resources there:

http://www.wind-sun.com/ForumVB/sear...earchid=722177

While the site is sponsored by a well respected retailer, there is no pressure to buy from the vendor. It is an open forum for discussion, idea sharing and real world problem solving

Icarus

Awesome forum there, quick responses and very knowledgeable, they even let me know I had wasted my money on a junk charge controller very politely.

Doh!


For anyone planning a solar system for their van its certainly worth posting up your parts list there and having the pros make sure you're getting a good set-up for your money.
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Old 02-19-2011, 10:32 PM   #6
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Default Re: FAQ: Batteries

Jack,

Glad we could help. Just an FYI to anyone out there, don't consider a "BZ" controller. They are not only not worth the money, but they actually perform worse than no controller at all in many cases.

Icarus
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Old 08-06-2011, 04:03 PM   #7
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Default Re: FAQ: Batteries

Often people are looking for battery information, but they really should keep in mind that they are dealing with a system. I thought this thread should be included here so it doesn't get lost. Some of the links may have been highlighted already, but it can't hurt to duplicate.

Thanks goes to KL2BE.

As an aside, I would really encourage anyone to do their homework and read up before attempting to install a vehicle electrical system or even have it done professionally. Not all "professional" installers are created equal so you really should have some idea of what is going to be safe to help you monitor the work. Keep in mind that you will most likely be sleeping in that closed box into which they are installing the wiring/system.

vic

Read this before any major 12V system purchase
http://sprinter-source.com/forum/showthread.php?t=12556
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Old 08-08-2011, 05:54 AM   #8
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Default Re: FAQ: Batteries

Quote:
Originally Posted by Krenovian View Post
, I found the following sites helpful in designing and building the electrical system in my conversion.

http://www.vonwentzel.net/Battery/index.html. Lots of information about batteries from a marine standpoint. The author works through some of the myths and misinformation that abounds concerning batteries, battery types, and their use.

Curt
The VonWentzel site is the best I've seen for taking one from novice to expert in just a few pages and laying out the pros and cons of varrious battery types and sizes. It is easy to miss though that there are NINE pages on battery selection criteria. Pay attention to the arrows at the tops of the pages to not miss all the data and conclusion.
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Old 02-26-2014, 05:49 PM   #9
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Default Re: FAQ: Batteries

Quick question...Hopefully someone can answer here... I purchased a 200Amp Dual battery isolator, meaning that it is intended to charge two Aux batteries. I currently am only using one Aux battery (Optima Yellowtop) and was wondering if it is okay to use this isolator with only one Aux battery? Any input would be much appreciated!
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Old 02-26-2014, 06:56 PM   #10
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Default Re: FAQ: Batteries

I just go to Dicks thread, and it is pretty straight forward.

And my Ultragauge will not read voltage with the key off, so Ding Ding!! Scangauge wins this round.

http://sprinter-source.com/forum/sho...156#post168156
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