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Old 06-24-2018, 05:45 PM   #1
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Default battery monitor for older RV

Suggestions on a battery monitor for an '05 PW Plateau?

I keep hopping from one full hookup site to another but I don't think it's necessary. I've been so worried about draining my battery too low because I have the all in one monitor that came standard on my RV, the 1/3, 2/3, full type which includes all the tanks too.

I suspect I have a group 49 90ah AGM battery (per Davidd's comment from another post). I don't know because it's under the passenger seat and I haven't looked forward to pulling the seat. I'm learning but I didn't know anything about RVs, 12v systems and batteries before I bought this RV.

I seem to prefer driving 100-250 miles, wander around for a day or two and move on. I don't have a generator, originally thought I'd buy one but now think I may be able to get by with a solar panel but I don't know because I don't feel my existing monitor is accurate enough to make that decision.

I realize it may not be the best RV for off grid but it's the one I have and I've decided to stick with it and make it work. It doesn't look like I can go to a higher ah battery without moving it somewhere else, not willing to do that at this time.
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Old 06-24-2018, 06:44 PM   #2
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.

When did you buy your RV?
Do you know how old is the battery?

Do you have the owner's manual?
You can download one from the PW website.
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Old 06-24-2018, 06:51 PM   #3
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.

FYI

Your coach battery is under the hood.
The Chassis battery is under the floor in front of the driver's seat.

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Old 06-24-2018, 06:52 PM   #4
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Your Pleasure-way is 14 years old and who knows what battery is under the seat now. It definitely is not the original battery which was in all likelihood a wet-cell lead-acid. It was designed as the location for an auxiliary battery for cargo van use and the brackets to hold it down and because of the clearance under the seat is less than 8", a Group 49 battery was used. That is an odd size battery of only 7-7/16" high. That's pretty much a Mercedes Benz standard and foreign size. The are but six machine bolts to remove the seat and then a cardboard like cover. It is pretty easy to do and you just move it back out of the way to get to the battery. You haven't provided much information. Does you gauge say it is depleted? If so, you may have a dead battery that needs to be replaced. In a boon docking situation your battery should get you through a night as there isn't much electrical load on a 2005 PW.
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Old 06-24-2018, 06:55 PM   #5
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Quote:
Originally Posted by BBQ View Post
.

When did you buy your RV?
Do you know how old is the battery?

Do you have the owner's manual?
You can download one from the PW website.
Pleasure-way utilized the battery location under the passenger seat for the coach battery. Back then they installed a wet-cell lead-acid battery that was vented through the floor with a plastic tube.
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Old 06-24-2018, 08:33 PM   #6
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I bought the RV about 18 months ago, the previous owner replaced the battery, he owned it 6 months (I didn't know enough to ask him what kind). I've spent most of those 18 months, fixing other stuff, like roof leaks, rust.

The monitor usually says full or 2/3, I had it down to 1/3 twice without going overnight. The second time is when I learned it's better to put the refrigerator on propane or just shut it off when stopped for a while.

I do like to watch movies once in a while. I replaced the original tv and dvd player with a new tv which has an integrated dvd player, specifications say it is 30 watts max. Although the tv is run through a loud 400w inverter and an amplifier I'm not sure is working. All but one light (closet) has been changed over to LED. I'd like to be able to charge my phone and my laptop once in a while and use the refrigerator. I don't really need to plug in much else, at least not at this time.

I've been really conservative because I want to make sure the vent fan has enough power if we leave the dogs inside for an hour or two.

It sounds like I really need to go pull the seat and find out what I have.
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Old 06-24-2018, 09:11 PM   #7
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It could be just about any battery if it is an AGM because AGMs can be placed on their sides to get the clearance underneath. In fact you better hope it is an AGM because if a wet cell it most likely would have no water in the cells by now. Of course with an AGM you would not have to pull the seat to maintain the battery.

Your coach battery is charged every time you drive or if connected to shore power. The biggest problem with that PW is the 3-way fridge. Stopping for lunch and leaving it on DC can deplete your battery. It is nearly impossible to remember to switch to propane every time and that fridge if original did not automatically switch power modes including 120V when you plug into shore power.

I can't imagine the original TV was still there. It was a computer monitor with a digital screen but was analog. I replaced mine when they converted to digital broadcasting because the converter boxes they sold back then were just a stop gap solution in my mind. That 400W inverter was indeed noisy. I wonder if you could replace it with a better inverter.
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Old 06-25-2018, 01:09 AM   #8
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It's a Maxx Ever start, H8 (group 49). 900 CCA. Not really intended for RV use? I was told it's a Walmart battery.

It's maintenance free but that doesn't mean AGM does it?

I didn't know I could flip an AGM on it's side, good to know.

I did have the original monitor TV, it was terrible. I don't like that inverter, I'm open to replacing it, the amplifier too. I haven't modified the cabinet the TV was in, just drilled holes to put an adjustable arm and new TV. I can change it, my SO has amazing woodworking skills, I just have to come up with a new design.

I have the original refrigerator too, I have to manually switch it between propane and DC or AC. I was switching it on my last trip, sometimes I forgot to turn it back on but stuff managed to stay cold anyway.
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Old 06-25-2018, 01:46 AM   #9
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I believe our TV is 12V - no inverter needed.
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Old 06-25-2018, 03:19 AM   #10
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Mine is too, but I didn't see anything other than the inverter to plug it into. I've learned lots of things about RVs but there is so much more I don't know.
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