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Old 08-08-2015, 10:59 PM   #1
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Flooded 6v battery conversion

Hi all. My new solera's batteries are not doing well. I guess they have discharged too much or too often. I've installedsolar panels with a Tracer mppt controller. Even with an equalization cycle they are only at 30% state of charge after a full day of sun. Im considering changing to Trojan 6v batteries but not sure if they'll fit. Anyone with experience?
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Old 08-08-2015, 11:19 PM   #2
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They won't fit if your batteries are under the entry step without modification of the well. Some have done it .


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Old 08-09-2015, 07:57 AM   #3
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The steps on my 24S were modified slightly (tiny bit taller) to accommodate two AGM batteries for a solar system. The other two batteries are in a cubby built into the compartment beside the stairs (in the outside compartment). The wired surge protector and the battery controller are also in the outside compartment with the monitors on the wall inside, above the stairs.
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Old 08-09-2015, 01:01 PM   #4
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Yeah. I measured the depth this am. They're only 10" so the 6v won't fit. They're just over 11". Anyone have experience with batteries that show 80-90% state of charge when the sun is up and 48-55% when it goes down. My reading is that the batteries are likely sulphated and need to be equalized at 14.8v for several hours as long as they don't exceed 125`. I know the the progressive converter won't get there. It only boosts to 14.4 v and then will equalize at the same number for 15 min a day. How do I get this thing equalized?
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Old 08-09-2015, 02:51 PM   #5
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Originally Posted by backdoctor View Post
Yeah. I measured the depth this am. They're only 10" so the 6v won't fit. They're just over 11". Anyone have experience with batteries that show 80-90% state of charge when the sun is up and 48-55% when it goes down. My reading is that the batteries are likely sulphated and need to be equalized at 14.8v for several hours as long as they don't exceed 125`. I know the the progressive converter won't get there. It only boosts to 14.4 v and then will equalize at the same number for 15 min a day. How do I get this thing equalized?
Have you considered a 4 stage battery tender that will provide up to 15 volts and 3 amp initially?
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Old 08-09-2015, 03:25 PM   #6
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I have several of them. Used for winter storage of bikes and cars. I wasn't aware that it would do 15 v initially. I'll look at the specs. Thanks Mike.
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Old 08-09-2015, 04:16 PM   #7
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Eric, I'm not sure I'm following you.
My understanding is the Solera is kind of new, which means you have newer batteries. How much solar do you have on the roof, is the wiring appropriate, how many amps are you pulling in per day (you need one heck of a solar setup to recover from 30% SOC to full in one day), what is the voltage reading on the batteries several minutes after the charging has stopped and no power is being drawn from the batteries, you see where I'm going with this.
I'm not familiar with the Tracer MPPT controller and if it is capable of equalizing the batteries if they do need it. Your safest bet might be to pull them out and do it manually with a battery charger that has that option. Be careful, place the batteries in a well ventilated place on a piece of plywood or such to prevent acid to come in contact with concrete or stone, the batteries will become very warm and will gas off. Remove the caps, wear gloves and safety glasses when doing this. AGM batteries can not be equalized bec. they are sealed - or ventless. Before charging and before equalizing make sure to check the water level, one cause of batteries sulfating is that the water level is to low and the plates are being exposed.
Having said this, there could be many reasons you're having problems but starting over with a set of fully charged and equalized batteries is one of the better options. Monitoring your power usage is also part of the equation.
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Old 08-09-2015, 05:16 PM   #8
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I have the tracer mppt controller along with 2x100 watt flexible panels and never equalized batteries. I hooked up from panel to controller to battery's. There is another output from controller which I ignored. We dry camp, take showers, charge phones, run fantastic fan, watch tv and batteries seem to stay pretty much charged. I do watch water level in batteries but doesn't seem to go down much, even after lots of dry camping. I also leave panels connected to keep battery at full charge so we can use unit spur of the moment. Unit is in San Diego so we have lots of sun year round.


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Old 08-09-2015, 07:52 PM   #9
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Do yourself a favor and buy a battery hydometer like this https://duckduckgo.com/?q=battery+hydrometer that is the cheapest way to check each cell. Look at this http://r.duckduckgo.com/l/?kh=-1&udd...%3DSRcOqfL6GqQ to give you an idea on what procedure to follow .

Also, it has been mentioned before, if you only have two 6v's and you lose one, you no longer able to produce 12v. Just sayin'
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Old 08-09-2015, 08:07 PM   #10
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Do yourself a favor and buy a battery hydometer like this https://duckduckgo.com/?q=battery+hydrometer that is the cheapest way to check each cell. Look at this http://r.duckduckgo.com/l/?kh=-1&udd...%3DSRcOqfL6GqQ to give you an idea on what procedure to follow .

Also, it has been mentioned before, if you only have two 6v's and you lose one, you no longer able to produce 12v. Just sayin'
A hydrometer is a quick way to test iindividual cells, but if one battery was bad and he didn't have 12 Volt he would have more severe problems, led's need 12 Volt to work.
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