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Old 09-01-2017, 05:43 PM   #1
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Use Shore Power & CTEK Charger @ Same Time?

Good afternoon,

I appreciate the very valuable knowledgeable input provided by the AS Forum team. I am a newbie and have a fear factor of causing damage to my 20' 2016 F.C.

I currently have my two batteries removed from the TT and on a CTEK 7002 charger in my garage. In preparation for our upcoming trip, can I place my batteries back in the newly painted battery box, make the appropriate battery connections (ready to roll), and connect them to the CTEK while also connecting the TT to shore power to pre-cool the refrigerator?

I apologize if this may appear to be a simple question to the experts, however my knowledge of electricity is limited, and I do not want to damage our TT.

Thanks,
Skip
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Old 09-02-2017, 06:12 PM   #2
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I too am unsure of the answer to that question, so I disconnect the battery charger and let the charger in the trailer manage the batteries for the 24 hours it takes for the fridge to cool.
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Old 09-02-2017, 10:55 PM   #3
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Quote:
Originally Posted by Skip Stone View Post
Good afternoon,

I appreciate the very valuable knowledgeable input provided by the AS Forum team. I am a newbie and have a fear factor of causing damage to my 20' 2016 F.C.

I currently have my two batteries removed from the TT and on a CTEK 7002 charger in my garage. In preparation for our upcoming trip, can I place my batteries back in the newly painted battery box, make the appropriate battery connections (ready to roll), and connect them to the CTEK while also connecting the TT to shore power to pre-cool the refrigerator?

I apologize if this may appear to be a simple question to the experts, however my knowledge of electricity is limited, and I do not want to damage our TT.

Thanks,
Skip
Having had one CTEK charger blow up for unknown reasons, I think you would be more likely to damage the CTEK. It seems to be very sensitive to connecting and disconnecting the battery (don't do it with the charger plugged into AC). More importantly, why would you want to do this? While plugged in to shore power for a day or so the converter will keep your batteries charged without damaging them.

Al
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Old 09-03-2017, 04:59 AM   #4
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Question Red.....

......undancy.

Skip,

Would you put the TV on a battery charger with the engine running?

Use the CTEC to maintain during long periods of storage. The converter,(2stage?), will be fine for shorter periods with supervision.

Bob
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Old 09-03-2017, 06:45 AM   #5
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You can plug into shore power but place your store/use switch in the store position. In Store the converter is supplying power to the trailer loads but not charging the battery. You can continue to safely use your CTEK to charge your batteries in your A/S.
My A/S sits in my driveway plugged into 20A AC with the CTEK 4300 plugged into the trailer's outside socket and connected to the batteries.
It's seems to work pretty well.
Kevin
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Old 09-03-2017, 09:44 AM   #6
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You can plug into shore power but place your store/use switch in the store position. In Store the converter is supplying power to the trailer loads but not charging the battery. You can continue to safely use your CTEK to charge your batteries in your A/S.
^ This is what I would do.
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