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Old 03-01-2016, 10:36 AM   #141
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Sheesh, you shouldn't be so hard on yourself.
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Old 03-01-2016, 11:01 AM   #142
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In my view, it's all just electrochemistry and unless you are a trained lab tech or an experienced, experimental post-doc type, there is going to be some variability! We are talking about a few percent anyway, right?


(you could always do a gage R&R study and see just how capable your hydrometer, the battery and your operator(s) are!)


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Old 03-01-2016, 11:02 AM   #143
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I wonder what the mods will do to someone that flames themselves?
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Old 03-01-2016, 11:09 AM   #144
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Check water. Fill if necessary.

Charge. If it goes to float, then disconnect. Check tomorrow when surface charge is gone.

Put batteries in camper.

Camp.

I was a mechanic for the first half of my career, I have dealt with more batteries than I care to think about. What I put above? That's my twice a year battery maintenance routine. If something acts up, the hydrometer comes out. Not before. I feel it's easy to take the charm out of camping when you start worrying too much about hydrometer readings, etc.
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Old 03-01-2016, 11:50 AM   #145
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I wonder what the mods will do to someone that flames themselves?
Be careful Too Tall, wouldn't want to see you ban yourself.
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Old 03-01-2016, 12:22 PM   #146
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I ordered the Duracells. I'm not sure if my store had them in stock because it said "call store" for availability. Even if I have to wait for a shipment I'm in no hurry. There was a disclaimer after checkout saying to bring my old batteries. We'll see how that goes.
I picked up the batteries today. Wow, they're heavy compared to that old group 24. I compared them on a bathroom scale and the old group 24 marine battery was 42lbs and the new Duracells are 65lbs each.
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Old 03-01-2016, 01:34 PM   #147
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Also, what is a good gauge cable to go between the two 6V batteries?
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Old 03-01-2016, 01:53 PM   #148
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4 gauge.
They can be bought at most stores that sells batteries.
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Old 03-01-2016, 01:56 PM   #149
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Also, what is a good gauge cable to go between the two 6V batteries?
Same as the other cables, probably #6 although on my 335DS they were #4. NAPA has cable and cable ends. I recommend soldering the ends with a torch and rosin core solder.
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Old 03-01-2016, 01:59 PM   #150
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Oh that's it? That's not bad. I was under the impression that the battery connecting cable needed to be substantial. Thanks.
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Old 03-01-2016, 02:41 PM   #151
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to me it would depend on the size of the size of inverter,

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Old 03-01-2016, 02:45 PM   #152
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The converter is just the stock WFCO 55 amp model. I will carry a portable charger that can go to 20 amps though.
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Old 03-01-2016, 08:44 PM   #153
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Also, what is a good gauge cable to go between the two 6V batteries?
I picked this up on the way home with the batteries. It's a tad longer than I wanted but there's no voltage drop and it leaves a little room for the batteries to separate in the twin box without putting pressure on the post.

http://go.redirectingat.com/?id=2187...4.html&xtz=360
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Old 03-01-2016, 08:49 PM   #154
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I picked up the batteries today. Wow, they're heavy compared to that old group 24. I compared them on a bathroom scale and the old group 24 marine battery was 42lbs and the new Duracells are 65lbs each.
They are substantial, aren't they. Did they ask for your old cores?
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Old 03-01-2016, 08:51 PM   #155
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Yes they are! And yes they did. I had to fork over core money. Oh well.
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Old 03-01-2016, 08:58 PM   #156
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The converter is just the stock WFCO 55 amp model. I will carry a portable charger that can go to 20 amps though.
I will do the same although I have seen the WFCO up over 10 amps so it might be ok.
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Old 03-01-2016, 09:11 PM   #157
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Can you use a portable charger hooked right to the batteries with the batteries still hooked to the RV? If not, will the factory disconnect be enough to disconnect from the converter or would I need to install another disconnect up near the batteries?
That's a question I have also. I've heard of people doing it. I think if you keep the disconnect switch by the door off, you can power the camper with a generator while you charge your batteries with the portable charger. I'm going to try to figure that out in the next few days.
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Old 03-01-2016, 09:14 PM   #158
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I tested that with my generator yesterday and the camper functions fine with the factory disconnect in the off position.
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Old 03-01-2016, 09:24 PM   #159
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I tested that with my generator yesterday and the camper functions fine with the factory disconnect in the off position.
Ok, great, that'll make it easier if the portable does a better job.
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Old 03-01-2016, 09:26 PM   #160
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Did your batteries have those fancy linked cell caps?
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