smohrmann
So, when we bought our 177SE (2016) Retro a few months ago, I was assuming I could charge the battery through the shore power cord to our house.  Is this correct?  OR, do I need to have a battery charger and attach to battery directly?
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snarkreto
I bought a CTEK charger for our 177S and I really like it simple to use and everythin came with it.

Here's site for them. Bought mine from Amazon

http://smartercharger.com/
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Alabama Jim
I have been able to charge my battery when the TT is plugged into shore power at home.  
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mikes
Yes, the converter (the brown panel under the refrigerator) will charge the battery when you're plugged in. It's not a very good charger, but it will work.
Mike
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smohrmann
snarkreto - so, is this your primary method of charging the battery?
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smohrmann
Alabama Jim wrote:
I have been able to charge my battery when the TT is plugged into shore power at home.  


Alabama Jim - do you charge with an external charger?
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Alabama Jim
I do not use an external charger.  I always rely on the inverter built in the TT.  Has worked great for the last 2 years.
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snarkreto
Yes  your inverter will charge the battery, but as Mike said it's not best. Having friends who have vintage cars that are not driven all the time they have found these units keeps the battery at its top charge.  I like Ctek because also keep sulfur from forming on the lead plates that over time will destroy a battery. As I said both will work it just comes down to your choice.
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FWes
We have had no problems with just using the on board system. Just plug it in when we park it at home with the 30a to 120v plug. I am sure that there is a better charger but will wait until I get some solar before changing it
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mrbigg9969
Does anyone know of a simple way to disconnect the onboard converter from charging the battery while a ctek is in use? It'd be nice to use a switch instead of disconnecting the batter from the trailer each time.
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mikes
There's no reason both can't be going at the same time. The known issue with the WFCO converter is that it doesn't charge the battery to a high enough voltage. It will stop charging at X volts, then the CTEK will take over and do its stuff to complete the charge.
Mike
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