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Old 03-10-2014, 09:59 PM   #11
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This might be a stretch Herk, but if I had one of the XC100-P chargers hooked up to my posts on the battery while boondocking, do you think it will give me a battery charge % on the led's without being plugged in to 110.? How long will this charger take to fully charge a 50% depleted Trojan SCS200 battery?

Sorry for hi-jacking the thread.
I don't own that one. I was just using it as an example.
Without 100VAC, the XC100-P will use battery power to continue to spike the battery, so you might actually see a decrease in battery life while boondocking.

Not sure about your other question.
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Old 03-10-2014, 09:59 PM   #12
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Now THAT is a pretty cool DIY.
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Old 03-10-2014, 10:28 PM   #13
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I consider myself to smart enough to be dangerous, if you know what i mean lol. I have never heard of doing this to lead acid batteries before. Know I keep thinking of all those house batteris i have throw out when performance starts dropping. I realy need to put this on the to due list.

Learn something new everyday
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Old 03-10-2014, 10:34 PM   #14
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Pulse desulphators have been sold by the millions because they are cheap and they sound so cool. The Controlled STUDIES which have been run on them always turn out to be...NO EFFECT except loss of $$.
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@Surveyor Mike...I wouldn't even think of using this on healthy batteries.
14.9V is WAY too high a bulk charging voltage as it will bubble off acid...which is exactly what you want the OCCASIONAL EQ charge to do.
Furthermore...it ONLY bulk charges at a 16 amp rate...which means that even if you used half your SCS200's 115 amp hours...you'd be looking at 4 hours to replace those amps...IF a battery worked like a water faucet. The reality is that you'd be lucky to get it fully charged in less tha 6 hours from a 50% charge.
Finally...charging at 14.9V can do more damage than simply creating explosive gas...it can also buckle battery cases and collapse grids if not monitored carefully with the caps off and the temperature not allowed to rise beyond 120 degrees F.
As a final note...ANY battery charger over 30 amps will do you no good as that is the MOST amps your battery will take at one time. You must expect 3-4 hours as the minimum time to bring your battery back from 50% to 100%. NOW...to bring it from 50% to over 80% should only take 2 hours. What many people do while boondocking is simply operate between 50 and 80% daily...and then go for the 100% at least once a week.
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Old 03-10-2014, 10:34 PM   #15
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12 Volts Lead Acid Battery Charger Desulfator 7 30 Amps Battery Assembled | eBay

Comments? remarks? I don't know what makes a good unit vs a piece of junk unit. Still doing my homework.
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Old 03-10-2014, 10:40 PM   #16
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Well, I was thinking of using the charger to just "spot check " on the battery while having a small genny for afternoon recharges to keep the battery topped off when it gets to about 50% or so. All for about $400. new batt, new charger that has the desulfator as well, and a small genny.
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Old 03-10-2014, 10:44 PM   #17
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I already own a sears 2, 10, 50amp auto charger.

Thanks for the help, as always.
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Old 03-10-2014, 11:32 PM   #18
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12 Volts Lead Acid Battery Charger Desulfator 7 30 Amps Battery Assembled | eBay

Comments? remarks? I don't know what makes a good unit vs a piece of junk unit. Still doing my homework.
PURE junk. Simply a pulse desulphator...so snake oil of indeterminate quality as opposed to pure snake oil!!
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Old 03-10-2014, 11:34 PM   #19
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I already own a sears 2, 10, 50amp auto charger.

Thanks for the help, as always.
That and a decent battery monitor will do a much better job for you.
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Old 03-11-2014, 12:01 AM   #20
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Talked to the service manager today. He said he would throw them on a charger in the morning then load test them. If they read good i guess i will take her home and go from there. I have about 60 days left on the battery warranty so that gives me some time.

If they read bad, i see some 6 volts coming my way.
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