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Old 03-01-2013, 09:35 PM   #1
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is this a good charger?

i have my RV plugged into a home 30 amp box all winter..will this harm my battery's?
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Old 03-01-2013, 11:57 PM   #2
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Coyote,

I think those old Magnetek standalone chargers were single-stage. It possibly could have two stages with one being a float, but I seriously doubt it has the three stages needed to maintain healthy batteries.

If single stage, these have been known to boil batteries if not watched closely and replacing a Magnetek Parallax with a better one is easy to do if you are concerned.

So, first thing is just verify if its single stage or not. I think it is, but you should double-check.

BTW Is something going on with the charger and batteries leading you to ask the question?
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Old 03-02-2013, 12:26 AM   #3
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Coyote.. I looked up the web site for the Model 7455 Parrallax RV converter and it looks like your particular model is a single stage. The T suffix is 2 stage. Does not seem to be optimum for long term charging. Here is the data I found:

http://www.parallaxpower.com/7400/74...ctbrochure.pdf
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Old 03-02-2013, 04:41 PM   #4
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the reason is i dont want to damage the battery's or the system...i would like something that will charge and maintain them with out any worries
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Old 03-02-2013, 04:43 PM   #5
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i looked at it and didn't see any T any where to indicate it is ..so im not really sure that's why i posted pics
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Old 03-02-2013, 04:50 PM   #6
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OK thanks!! any good suggestions on a good replacement model??
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Old 03-02-2013, 04:56 PM   #7
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Quote:
Originally Posted by coyote2001 View Post
OK thanks!! any good suggestions on a good replacement model??
There are a bunch of good options. I'm not too familiar with the standalone converters otherwise I'd just recommend a Progressive Dynamics.

A good resource to call are the guys over at http://www.bestconverter.com/.

They'll help.
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Old 03-02-2013, 05:57 PM   #8
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Option #3

Go down to your local auto parts store, jc whitney, wallmart ect. and get a
"Battery Tender"
Its small and works great, I just put mine on today for a few hours. One other thing you should look into a battery disconnect switch. That way you can "disconnect" the camper from the battery to prevent the small drainage that the differnt appliances have on it.
If you are cheap like me before I put my disconnect switch on the camper......... Just take a battery cable off!! If the battery was at a full charge it probbly wouldnt need anything for a month or two.
Now I have both........ and its a small mod that will make you feel good while the snow is melting. jdadoug
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Old 03-02-2013, 06:33 PM   #9
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Just repaced WFCO Unit

I just installed a new Progressive Dynamics unit to replace our existing WFCO 55 Amp Charger.

See:

WFC 65 Amp Converter/Charger Replaced with Progressive Dynamics
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Old 03-02-2013, 07:08 PM   #10
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i have a portable charger/tender but i don't want to mess around with connecting and disconnecting all the time. and it has a battery disconnect and i use it..but im going to up grade so i can just plug it in and forget about it. while im not using it.(no worries) im going to take triguys advice and get the PowerMax PM4B-60 (60 Amp 4-Stage Converter/Charger) that's exactly what im looking for.
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