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Upgrades or replaces the converter section for 35-amp Parallax/Magnetek or WFCO RV power centers. Works with Parallax/Magnetek model 6336 and WFCO model 8935. Built-in Charge Wizard's multistage charging process helps extend battery life.
Features:
Specs:
Alternate Instructions
Customer Satisfaction Score:
92% were satisfied with this product
8% of customers were not satisfied
Ratings & Reviews
Product fit the space correctly, was reasonably easy to install provided you are capable of this type of task, and appears to be operating as promised. Written Instructions were a bit lacking, which necessitated me calling and speaking with the manufacturers technical department.
A day late on delivery but other than that all went well.
I have a 2000 Skyline Layton trailer. I recently upgraded from lead acid batteries to a LiFePO4 battery. This new 35 amp smart converter makes it possible for me to get close to 100 percent charge on my new battery as opposed to about 80 percent with my old converter. It works great!
Very quick shipping. Product was installed by an etrailer recommended RV repair tech - Patriot RV Tech, Fort Worth, TX. Everything checked out OK when installation complete. The converter box was charging the battery as it should. Won't know how it really works until we go on vacation later in the year.
Rapid shipping, nice looking unit, seems well built. I will update review after installation.
It works great and very easy to install!
Product has worked well last year and so far this year. Oi am very happy with performance.
Well i was told by etrailer this would not fit my magnetek series 6300a model 6325,25 amp inverter,i called progressive dynamic they said it will fit but charge at higher rate and is lithium battery capadable which i was doing .it was a direct fit no problems.
My husband replaced the distribution panel in our 2005 Featherlite horse trailer w/living quarters. He said it was easy and this new one works great!
Easy install, no surprises, just as adv ertised!
Replaced a wfco 3935 ad that would not switch to lifpo battery. Progressive dynamics has a jumper that you move to li position . Installed , turned on and it changed batteries to 14.5 volts . This is the third camper that came with the wfco converter and they have never worked. I have changed them all to Progressive dynamics converters and they all work as they should. Some small modifications were needed to fit in the place of the original converter, no big deal .
Straight forward replacement, took photos before and after to make sure wires went where they should.
Great customer service, very helpful. The component was an easy 1:1 replacement, instructions were clear. I purchased this so I could upgrade my Class B house battery to an AGM. The converter is functioning flawlessly.
not so far so good couple of months in it's working perfect easy installation...
Great customer service product work perfect for me
Installation went fairly easy and unit working normally.
Delivery was very fast.
The unit is working well.
The only thin is the connexions to the new fuse panel. I had to rewire + and - because of the way the panel is done.
Really appreciated the how-to videos. New unit went in well and is working great!
Outstanding I looked all over for this part and the few I found the soonest I could get one was at least 8 days out. I found one with you people and I couldn't believe that besides free shipping, for a few dollars more I received it The next day. It arrived and was the perfect replacement. Thank you so much
Brooke M.
2/21/2025
Im so happy to hear that, TJ, thank you! Are you fixing up your RV for an upcoming trip?
Brooke M.
2/22/2025
Easy upgrade, easy instructions- Impressed with communication from etrailer.
This unit works great! Doesn’t overcharge batteries and is very quiet.
My power converter died in my LQ horse trailer and I needed a replacement fast...found it on etrailer...shipped 2 days for $10 and I installed based on a lot of helpful advice on here .....all fixed. 10 star experience. Couldn't be happier with this business.
Easy enough to switch the wires on to the new dc circuit card. also works on the 25 amp model Magentec converter, thanks to the tip to change the main breaker to 40 amp , was special order at local electrical supply , used the screws from the lid on the old unit to mount the converter, as to size difference
Knowledge of what they sell save the day , purchasing for E trailer has always been the right choice
Product shipped the day the order was placed online and was received as expected. Instructions were easy to follow. Installation went smoothly and the upgraded converter/charger on our 2000 trailer MagneTek 6300 Q Series 32amp charger is working great. Recommend not using the first bus fuse position (if possible) on the new bus board as it is a little larger than the old bus fuse board. Otherwise, fuse replacement for position #1 may require extra steps in the future.
Works great. I have an older mid 90's travel trailer, very nice retrofit to update. multistage charger works great, there's documentation that shows the charge profiles and this will be much healthier for batteries. Voltage is rock solid and right on par. Unit is much quieter than the old humming transformer, lighter, etc. Has LEDs to indicate blown fuse or stray load on a circuit, install pretty easy if your familiar with electrical, but it was a project. I changed out my 110v breakers as well while I was at it(BD style) as they were 30 years old, just got them from home depot. Nice rebuild. There is a charge status indicator on fuse board that blinks green, since my bed is right next to it, some light escapes out the cover, so I just put little piece of electrical tape over the led, but it for most people probably not an issue. Also the turbo boost charge mode is nice when running off grid, I can top my 2 batteries up off the generator in half hour while making breakfast and be good for the whole next night of running CPAP. also the low and slow maintenance mode is nice for long term storage. Highly recommend doing upgrade if you have this style Magnatek converter in your rig
Steve
3/25/2026
working great. solid voltage, multi stage was much needed upgrade from old linear power supply, and fit old cabinet perfectly
Do you have a question about this Accessories and Part?
Condition: Badly Dinged
Notes: The fuses are slightly bent. All hardware is included.
Info for this part was:
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Mitchell
6/6/2025
Working as promised. No issues.