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Old 06-06-2012, 06:43 PM   #1
Paul & Sheri
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Join Date: May 2012
Location: Upstate New York
Posts: 237
Camper charging system question

I have the WFCO model WF8955PEC which has an output rated at 13.6 volts and 55 amps.

I use 3 batteries which last me 4 or more nights dry camping. I'll leave one permanently hooked up to recharge later and charge the others with a separate charger and re-install them when I get to the next campsite at another time.

My question:

Certainly 1 battery permantly hooked up will charge while traveling and will charge with the above unit while plugged into 110. Can I leave the three batteries hooked up in parallel to charge later without overloading the charging system? Can I leave 4 batteries installed? I assume it will take longer to charge but I don't want to overload the system.

Thanks for your insight

2012 F150 F/X 4, 6cyl EcoBoost with Max tow pkg
2013 Rockwood 8280WS 5th wheel
2006 Sunline T1950
2004 T@B T-16
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Old 06-06-2012, 07:03 PM   #2
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Location: Southeast Wisconsin
Posts: 6,953
To answer your first question. Your TV might charge a battery at 50% SOC over many hours of driving. How far are you driving? An hour won't do much more than a surface charge.

To answer the second and third questions. That converter has three stages and will not overcharge a properly balanced battery bank. If the batteries are the same type, size and age you can hook them up in parallel and expect your converter to charge the bank while plugged in to shore power The amount of capacity in the bank and the bank's SOC will be variables that effect how long that takes.

Hope that helps.

DW, 3 Kids and our Goldens

2012 Shamrock 233S
2008 Toyota Sequoia 5.7L 4WD
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Old 06-06-2012, 07:04 PM   #3
Phat Phrog Stunt Team
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Join Date: Aug 2011
Location: Iowa
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Triguy has it spot on.
I can add nothing .............
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