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The WFCO converter would not recognize them as lithium. 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.įinally, I had someone email me and said he had an issue with the auto-detect and his lithium batteries. In the living area that can get annoying to listen to.
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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.
Then it will usually get back to full charging amps again.Īs I said in my initial review the fan noise is quite loud especially when it’s charging a full output. 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. Often I need to turn off the converter when briefly using the microwave so I don’t overload my 2000W generator. 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. It will then hold steady at that amperage until the battery bank is charged up. 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. I’m not fond of the location of the indicator LED but it’s there if you peer in behind the board. 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 happy to report that for the most part, it has worked as advertised.
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WFCO Auto-Detect Converter Installation and Demo VideoĪs promised an update on the WFCO Auto-Detect Li/LA converter charger after using it for several months.
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*Fair Disclosure* I received the WFCO WF8955-AD Power Center free of charge as a review sample. 14.6 VDC charging mode dropping to 13.6VDC float when fully charged. However, if it finds lithium, it employs a 2 stage algorithm. If the battery is lead-acid, it uses a standard 3 phase charging algorithm. Intelligent circuitry determines whether the batteries are lithium or lead acid. Once the new auto-detect converter is installed and hooked up, it needs to go through one complete charge cycle. This article/video is for entertainment and educational purposes and should not be taken as instructional. Doing it yourself could cause you serious injury or death and may void your RV warranty and insurance. The following installation should be performed by a qualified RV technician or electrician. It’s just a matter of swapping the wires from one module to the newer version.ĭisclaimer: Working with electricity is dangerous. Installation of the new WFCO Auto-Detect converter charger is reasonably straightforward for anyone who knows electrical circuits. Furthermore, the charging usually stalls when the lithium battery bank is at 53% capacity.
At best, the average charging current is in the 10-15 amp range. A couple of years ago, I upgraded to lithium batteries and quickly found out the old WFCO lead-acid type converter charger was less than stellar at charging them. The OEM installed a WF-8955 WFCO power center which includes a 55 amp converter charger. I thought my ten-year-old Keystone Cougar trailer would be a great testbed. Once it detects which type, it adjusts its charging algorithms for the most efficient charging. It’s a power converter charger that can auto-detect whether the RV has lead-acid or lithium-type batteries installed. Recently WFCO Electronics contacted me and asked if I’d like to test and review a new product they are releasing.
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