Originally Posted by Swaggler
Thanks. After reading the article I was curious about my converter. The trailer was built in 2014 so it doesn't quite fit into the "older" category in the article and according to my owners manual it is supposed to drop its charging level down to a maintenance level. So I put a voltmeter on the battery and got 13.63 volts. I think this is probably too high to be a maintenance level voltage drop.?. Am thinking that it would be better to leave the trailer unplugged and use a dedicated battery tender on the battery.
Thanks for the link.
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WFCO converters (most common OEM converter these days) are spec'd to drop into trickle mode (13.2V) after 44 hours at small constant load. The WFCO in my A-frame would never drop into trickle mode at home, even after 2-3 weeks at 13.7 volts, and the trailer folded down with everything except propane/CO detector off.
I ended up replacing the WFCO with a Progressive Dynamics equivalent. In the meantime, I simply unplugged the camper after 2-3 days to recharge the batteries AND disconnected the battery. If disconnected, a fully charged battery will not need any maintenance for up to 3 months - and then a simple charging for a day or 2 will recharge it completely again.
just my experiences
Rockwood A122 A-frame