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Old 11-30-2014, 05:00 PM   #29
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GA Navigator,

Doesn't your friend have one of these inside his rig? It's the remote panel.

Xantrex Freedom 12-25 Remote Control Panel

I looked at his panel when we were camping last week and I don't think he has that remote panel.
Today I texted a link to this thread to him. He needs to become an IRV2 member himself.



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Old 11-30-2014, 09:34 PM   #30
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Here's the quote from the first link (US Battery).
"Equalizing is just one of several procedures you should be adding to your maintenance schedule every time you service the batteries. This regular service, including watering, should be performed at least once a month, or more frequently during periods of heavy use."

Here's the quote from the second link (Interstate). It is listed three times in the three charts.

"3. Equalize every 4 to 8 weeks and always after a normal charge."

You have to watch the video link *Trojan) until the end to see the 30 day recommendation.
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Old 12-01-2014, 09:02 PM   #31
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Battery equalization

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Originally Posted by az bound View Post
Equalization is the controlled frying of a battery and will greatly reduce its service life.

Is there data that can verify this?
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Old 12-01-2014, 09:28 PM   #32
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We equalize our forklift batteries about once a month per battery recommend maintenance. (About every 10 full charges)


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Old 12-02-2014, 07:53 AM   #33
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www.trojanbattery.com
" Trojan only recommends equalizing when low or wide ranging specific gravity (+/- .015) are detected after fully charging a battery."
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Old 12-02-2014, 12:28 PM   #34
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Is there data that can verify this?
Just my own experience dealing with deep cycle batteries for 45 years.
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Old 12-02-2014, 07:23 PM   #35
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By the way...NEVER equalize any AGM/VRLA battery under any circumstances.
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Old 12-02-2014, 09:06 PM   #36
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Which manufacturers recommend equalizing monthly?
That would only serve to shorten their service life.
Why not use a hydrometer first to determine whether equalization is needed?
My Xantrex owners manual states a hydrometer must be used to determine each cells condition to know if an equalization should be performed. Another hydrometer reading must be taken for each cell afterwards to determine if the equalization charge was completed.
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Old 12-02-2014, 09:08 PM   #37
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By the way...NEVER equalize any AGM/VRLA battery under any circumstances.
Yep! Xantrex says to never use an equalization charge on any sealed battery, only on removable-cap lead-acid batteries.
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Old 12-02-2014, 09:09 PM   #38
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www.trojanbattery.com
" Trojan only recommends equalizing when low or wide ranging specific gravity (+/- .015) are detected after fully charging a battery."
Xantrex says the same.
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Old 12-03-2014, 05:23 AM   #39
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Back to the OPs original question.
Here are the amperage setting for equalization by group.
Group 24, 4 amps
Group 27, 5-7 amps
Golf cart, 11 amps
Group 29, 6-8 amps
L-16, 18-20 amps
Start out wilh the battery as fully charged as you can get it.
Check each cell and find the bad boy with a hydrometer.
Apply amperage as specified above Amperage, not voltage is the Key.
Maintain that level of amperage until one of two things occur.
The lowest cell reverts to original density.
8 volts is reached on a 3 cell battery or 16 volts on a 6 volt battery.

Use common sense when checking the "bad boy" cell with the hydrometer. If the cell is sluggish to respond, check the adjacent cells. If they have reverted to 1.275 density but the "bad boy" refuses, its bad.
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Old 12-03-2014, 08:38 AM   #40
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Quote:
Originally Posted by navigator336 View Post
Here's the quote from the first link (US Battery).
"Equalizing is just one of several procedures you should be adding to your maintenance schedule every time you service the batteries. This regular service, including watering, should be performed at least once a month, or more frequently during periods of heavy use."

Here's the quote from the second link (Interstate). It is listed three times in the three charts.

"3. Equalize every 4 to 8 weeks and always after a normal charge."

You have to watch the video link *Trojan) until the end to see the 30 day recommendation.
Amazing is it not? The video link says every 30 days while the battery maintenance article states it should be done when a hydrometer reading meets certain criteria. Both from the same Trojan website.
Maybe their tech writers need to get together and give more accurate information.
Equalizing without doing the necessary testing is a waste of time and constant overcharging is a killer of any battery.
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Old 12-03-2014, 09:11 AM   #41
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A friend has a 2005 Fleetwood Excursion and he says the house batteries are getting weak. I mentioned doing an equalization charge cycle as a last resort to possibly get a little more life from them. Do any of you know how to set the charger for the equalization cycle?
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What kind of inverter does he need help with. I have a Heart Freedom 25, 1995 vintage.
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As usual the best, (and only?), correct way, to do most anything, (battery equalization in particular), is to read and follow the instructions in the owner's manual for the component being used.
BTW, the "Owner's Manual" for most inverter/chargers can be found online.
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Old 12-03-2014, 12:59 PM   #42
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I have a Xantrex Freedom 458 inverter/charger. The manual states, "Periodic equalization is recommended by most battery manufactures. There are no firm rules for how often an equalizing charge should be applied. Follow the battery manufacturer's recommendations for equalizing." I checked on line to see if there was a newer version of the manual, but it said the same thing.

I checked the on line manuals for some other inverter/charger models:

SW2000 - states "Equalizing the batteries every month or two (depending on usage) prolongs the life of the batteries and provides better battery performance."

SW3000, ProSine Series and RV GS Series - states "Follow the battery manufacturer's recommendations for equalizing your batteries. As a guide, a heavily used flooded battery may need to be equalized once a month, and a battery in light service may only need to be equalized every two to four months."
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