Link to original installation and review video - https://www.loveyourrv.com/wfco-elect...

As promised an update on the WFCO Auto-Detect Li/LA converter charger after using it for several months. I’m happy to report that for the most part, it has worked as advertised. It knows that I’m using lithium-type batteries indicated by a blue light on the back of the converter’s stand-up circuit board. I’m not fond of the location of the indicator LED but it’s there if you peer in behind the board.

I find when it starts up it usually charges at about 15-20 amps for the first minute then ramps up to 50-55 amps. It will then hold steady at that amperage until the battery bank is charged up. The only glitch I have found is sometimes if I turn off the converter and then back on again quickly it will stay at the lower 15-20 amps and not ramp up higher.

Often I need to turn off the converter when briefly using the microwave so I don’t overload my 2000W generator. That’s how I noticed the behavior. What I have to do is let the charger sit turned off for 5-10 minutes I guess to let residue voltage lower down and then turn it back on. Then it will usually get back to full charging amps again.

As I said in my initial review the fan noise is quite loud especially when it’s charging a full output. We have a large 420 amp-hours lithium battery bank and its charge level is low it can take several hours to recharge and the fan is on full the whole time. In the living area that can get annoying to listen to. If I was to use the WFCO charger as my main means of charging I would likely have to relocate it to a none living area location.

Finally, I had someone email me and said he had an issue with the auto-detect and his lithium batteries. The WFCO converter would not recognize them as lithium. He said the WFCO support was great and helped sort out the problem. Good to know.

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