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Old 06-12-2010, 09:20 AM   #1
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Battery Question

Our new to us 08 Monaco, has a pair of 6 volt batteries in the bay and room to add two more.
Would it be a PIA to add the two extra batteries and what would be the advantage of adding them?
Thanks.
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Old 06-12-2010, 09:54 AM   #2
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I'm no expert on this but would think if you have the room, adding two more 6volt batteries would greatly increase your power storage... always a good thing. I don't think it would be a pita at all so long as you have the room.
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Old 06-12-2010, 12:29 PM   #3
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Hi donie,
Adding two additional 6 VDC batteries of the same size and type as what you have will provide no more power than what you have now. The big advantage is that you will have that power available for use for a much longer time.

I did what you are considering. Something to consider is the condition of your current batteries. It is best that all the batteries are of the same age, type and size. Because my battery tray would make it difficult to check the water in the back two batteries, I installed 4 AGM type batteries. Now I can enjoy my 12 VDC power for much longer periods of time and I no longer need to check the water in the batteries.
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Old 06-12-2010, 01:07 PM   #4
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How hard it is to add is dependent on the coach, If there is room GO-4-IT as a local TV station says (Channel 4 of course)

As for the advantages, 2-x the run time between recharges..
The flip side, 1.5-2x the recharge time depending on your converter.
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Old 06-12-2010, 04:58 PM   #5
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How far do you run down your current bank?

If you have trouble keeping it above 12.0v (measured after at least a half hour of rest with no significant charging or discharging), then more batteries might be a good thing.

If you don't find the voltage getting down to the 50% of charge left level as a routine thing, then extra batteries are probably not cost effective.

Keep in mind that there isn't much energy in batteries and even doubling a 2 kwh bank isn't going to mean much as far as energy use in the RV.

Put your money first into a good converter, charger, and maintainer to take care of your batteries.
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Old 06-12-2010, 06:16 PM   #6
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Bryan.. Doubling the batteries makes the difference between being able to watch TV before we go to bed and not. At least on my rig.

It can make the difference between Toast and buttered bread at breakfast too if I"m sort on fuel and short on 120vac
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Old 06-13-2010, 04:36 AM   #7
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You will not want to mix newer batteries in with the older. There are many things, some have been mentioned, to make the right choice. Here is a few links to give you all the info:
U.S.Battery/Leader in Deep Cycle Batteries
Frequently Asked Questions (FAQ) - DC Battery Specialists
Deep Cycle Battery FAQ
http://www.rvsolarelectric.com/sources.htm
http://www.batteryfaq.org
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Old 06-13-2010, 07:36 AM   #8
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Quote:
Originally Posted by donie View Post
Our new to us 08 Monaco, has a pair of 6 volt batteries in the bay and room to add two more.
Would it be a PIA to add the two extra batteries and what would be the advantage of adding them?
Thanks.
Whether you need more battery capacity or not depends on the kind of camping you like to do. If you find yourself gravitating to the out-of-the-way places with no hookups and enjoy the experience of nature and the quietness of your surroundings, and don't want to be running your generator, then you may want to consider additional battery capacity. On the other hand, if you are always in an rv park hooked up to the facilities, then you may want to invest in a good surge protector instead. If you fall somewhere between these two extremes then maybe running your generator during high power use periods and charging your batteries at the same time is all you need. If you opt for more batteries get the biggest batteries for the space you have available being mindful of their height. As Gary points out, they have to be serviced and maintained where you put them.
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Old 06-13-2010, 09:48 AM   #9
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Quote:
Originally Posted by wa8yxm View Post
Bryan.. Doubling the batteries makes the difference between being able to watch TV before we go to bed and not. At least on my rig.

It can make the difference between Toast and buttered bread at breakfast too if I"m sort on fuel and short on 120vac
Thanks for the replies.
Honestly, we ve never tried to run the tv or anything else without being on shore power.
I did accidentally unplug the coach once while the DW had the tv on and the tv went off.
May have to investagate further.
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Old 06-13-2010, 10:06 AM   #10
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re: "Doubling the batteries makes the difference between being able to watch TV before we go to bed and not." -- true enough. Limited expectations are realistic. If you find yourself running a bit short on occasion, increasing capacity can work.

re: "You will not want to mix newer batteries in with the older." -- but it isn't really all that much of an issue. You need to read most of the I'net resources carefully and consider context, applicability, and variabilities. It is much easier to express a dictum than to discuss the rationale and leeway and accuracy and so forth.

Quote:
Whether you need more battery capacity or not depends on the kind of camping you like to do.
let your experience be your guide! good advice, I think.
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Old 06-13-2010, 10:50 AM   #11
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Quote:
Originally Posted by donie View Post
Thanks for the replies.
Honestly, we ve never tried to run the tv or anything else without being on shore power.
I did accidentally unplug the coach once while the DW had the tv on and the tv went off.
May have to investagate further.

Further investigation sounds like a good plan . . . as others have said, 2 more batteries will give you 12v for more time . . . do you need that?

Do you have an inverter? . . . if you do (or install one) would you have a use for 110v when you're not plugged in (or running your generator)?

I recently went from 2 older, tired 12v deep cycle batteries to 2 brand new 6v golf cart batteries (wired in series) and installed a 1200w inverter . . . sure is nice to make coffee in the AM without having to run the generator!
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Old 06-13-2010, 11:46 AM   #12
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Ken, Being that this a new coach for us, Im not sure what is in theer already but Ill look and see what it has in the bay and post the info.
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Old 06-14-2010, 12:34 AM   #13
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donie...... A lot of coaches run the four batteries to run their inverters. Unless you plan on adding an inverter, the addition of two more batteries may not be a big advantage unless you do a lot of cold weather camping where the heater must run a lot. If you intend to add a sizeable inverter, the two additional batteries would help with running TV's and even the microwave.
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Old 06-14-2010, 09:57 AM   #14
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Upon further investigation here is what I found in the compartment.

Progressive Dynamics IntellPower 1000 watts Converter/charger.
Model PD 9260C.

ITS 30R Transfer switch.
THe batteries are 2 Interstate U 2200 UT Deep cycle.

Thanks for all the replies.
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