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Old 01-16-2015, 02:19 AM   #1
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New Batteries

Well I think it may be time to get new batteries. The batteries are the ones that came in the MH and the dates are 12/11 and 1/12. The reason is the dang propane detector keeps going off intermittently and always when you don't want it to. I checked the batteries and they show 12.9 and checked the converter and it is reading 13.2. Need to do some more reading at the battery when they are disconnected and see what it reads. I have checked and added some distilled water. Also thought of disconnecting or turning off the converter and using my battery charger and see what that does. Its been raining in Fl and hope tomorrow will be dry. Has anyone have info on the followinguracell® AGM Deep Cycle Marine and RV Battery - Group Size 34M. The reason for the sealed is so I wont have to worry about gases from the battery setting of the alarm.

we do not boondock and the only time we are unplugged is traveling.

Want to shout out a big thanks to Iggy for his assistance and need to buy him a beer when we meet
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Old 01-16-2015, 03:16 AM   #2
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Has anyone have info on the followinguracell® AGM Deep Cycle Marine and RV Battery - Group Size 34M. The reason for the sealed is so I wont have to worry about gases from the battery setting of the alarm.
More than likely, your detector going off is not due to off-gassing from your wet cells, but a low voltage warning.

Sounds like you're on the right track. You'll want to disconnect and let your batteries "rest" overnight.. then take a new reading. After that, you might re-connect, put a load on (maybe 5amps) and monitor continuously. That will give you a good idea of how well your batteries are holding a charge.

As for batteries.. in that class.. I would be looking more at the group 27 or group 31 battery. You'll get more bang for your buck. AGM's are really nice to just "set and forget", but I really don't think off-gassing is causing your alarm. As such, I don't think it would hurt to just stay with wet-cells and save a few bucks.

JMHO
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Old 01-16-2015, 03:24 AM   #3
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If I disconnect the neg terminal on the battery can I keep the converter on to keep everything going? Or should I turn the converter off.
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Old 01-16-2015, 03:32 AM   #4
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If I disconnect the neg terminal on the battery can I keep the converter on to keep everything going? Or should I turn the converter off.

You can leave the converter on to power your rig.


Grey Nomads, Ron and Sue
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Old 01-16-2015, 03:38 AM   #5
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One more quick question can I just disconnect one of the neg terminals or do I need to disconnect them both"
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Old 01-16-2015, 04:48 AM   #6
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One more quick question can I just disconnect one of the neg terminals or do I need to disconnect them both"
Both is better to get the best reading, but just the neg is fine.
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Old 01-16-2015, 10:19 AM   #7
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One more quick question can I just disconnect one of the neg terminals or do I need to disconnect them both"

If you disconnect the negative cable that goes to ground (not the one that connects the two batteries) no current will flow into or out of the batteries. Also, my alarm used to go off frequently until I replaced the batteries with two SEALED group 24 deep cycle. No more alarms!
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Old 01-16-2015, 12:24 PM   #8
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I used to have these batteries in my boat and they lasted forever. Could run my trolling motor for hours off of it. Might be worth a look into.

DEKA 6TMF Military Ordinance Battery | 6TL Battery | NSN 6140-01-485-1472
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Old 01-16-2015, 02:34 PM   #9
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Batteries are disconnected and taking them to get load tested, see what happens then. Reading on them is 12.97 on both and have been disconnected for approx. 3 hrs. we'll keep you advised.
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Old 01-16-2015, 05:28 PM   #10
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I had the same problem on still nights, tried oil in battery's, it helped some but not a cure. Finally put in a pair of sealed battery's and that has made a huge difference. Some problems this year with propane leakage setting it off, but I think we have found the problem with that.


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