Powermax 110 Volt to 12 Volt DC Power Supply Converter Charger for Rv Pm3-55 (55 Amp)

(1776 Reviews)

Price
$169.00

Quantity
(10000 available )

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99 Ratings
76
16
3
2
2
Reviews
  • Arthur Johansen

    > 3 day

    I live in my van, so getting power from outlets to charge my batteries is pretty important. I bought this because at the time I had access to an outlet. It worked as expected. It was a little louder than I wanted, but then again, I am in a VERY small space, and I am in very close proximity in the same space as this, so my experience is going to be a bit skewed as a result. But, given what its job is, and the power levels its dealing with, I cant blame this at all for that. It needs to cool itself. I have since lost the ability to use this as that outlet is no longer accessible to me, but for the time I was able to use this, it worked flawlessly. I plan to use it more in the future.

  • DT

    > 3 day

    Easy install and no noise at all, works great in our 5th wheel

  • Josh L

    > 3 day

    I installed this in my RV to replace my factory converter. The factory converters are loud and inefficient. I installed this unit in my front cargo compartment and ran new 6 gauge wires directly to my batteries. As other reviews have stated the fan speed is not variable, but it does only turn on when needed. For example, my factory converter runs the fan at full speed when pushing 8 amps into the batteries, this unit can do over 8 amps without the fan running at all. Also, in my initial testing this thing pushed 3x the amps into the batteries as the factory unit. Strongly recommend this unit for mounting in a cargo area. This will allow my to charge the batteries much more quickly when dry camping and using the generator.

  • ed ketzel

    > 3 day

    So easy to install. Works like a dream. Replaced the piece of junk that my rv came with, and could not be happier. No more dim lights

  • Danny

    > 3 day

    I’ve used this for a couple months now and this was very easy to use and setup!

  • Sparta

    > 3 day

    Good power supply for ECU programming. Holds constant voltage during ECU module programming. Auto shut off if another power source is detected. Charged fully drained battery under 45 mins. Only con in this power supply is that it doesnt have power supply voltage reading measure display, you have to use volt meter to determine the measurement under fixed voltage supply. If you are programming BMW ECUs I recommend you set the fixed voltage to 14.2 vdc so your output value on terminal 15 and terminal 30 remains between 13.6 to 14 vdc. Voltage supply only fluctuates for the first few mins.

  • Scott

    > 3 day

    I got this to replace my cheap supposedly 3 stage converter that only charged at 13.6V no matter what. This converter works as expected, 14.6 when batteries are low, 13.6 when filling up and 13.1 float. When the fan runs its not silent but not the loudest thing Ive heard either. Im sure this will help me recharge faster when I am boondocking on generator.

  • 04Blackram

    > 3 day

    Easy to install, the unit is very quiet, even with the fan running. Power is very very clean, my new 12v fridge runs great on it without the LED lights flickering like the other converter did.

  • Roberto

    > 3 day

    Was very easy to install and works great, have had on my rv for a couple of months and still working great.

  • Zachery Rodriguez

    Greater than one week

    Works well

The PowerMax PM3 Series 55 Amp RV Power Converter takes 110Vac power to 12Vdc power to charge a battery and/or power 12V equipment. With our state of the art 3 Stage Smart Charging and adjustable power supply modes, the PowerMax AC to DC power converter/battery charger are engineered with the user and variable environmental conditions in mind. They will fully charge and maintain any battery type while providing very clean DC Power. Ideal for use in RV, Automotive, Boat, Car Audio, or any applications where battery charging and/or 12V power is needed. The PowerMax PM3 Series are available in a wide range of amperage sizes, and with 24V, 48V versions and 12Vdc – 220Vac models we can fit every power requirement. PM3 Series Converters can also be wired in Series or Parallel to reach even higher power outputs. Compatible with wfco wf-9855 wf9855

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