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PowerMax AC to DC Lower Replacement Converter Tray w/ Built-In Battery Charger - 12V - 55 Amps
PowerMax

PowerMax AC to DC Lower Replacement Converter Tray w/ Built-In Battery Charger - 12V - 55 Amps

Part Number: PM37VR
In Stock
$169.00
Retail:$229.00
You Save: $60.00
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This replacement converter tray drops right into WFCO 8900 Series units and similar setups, giving you 3 charging styles so your batteries get what they need. It also adds built in protections that help keep your system running safely and smoothly. 1-800-940-8924 to order PowerMax accessories and parts part number PM37VR or order online at etrailer.com. Free expert support on all PowerMax products. Great prices and Fastest Shipping for PowerMax AC to DC Lower Replacement Converter Tray w/ Built-In Battery Charger - 12V - 55 Amps. Accessories and Parts reviews from real customers.
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PowerMax Accessories and Parts - PM37VR

  • RV Power Converter
  • Converter Section
  • PowerMax
  • 55 Amp

This replacement converter tray drops right into WFCO 8900 Series units and similar setups, giving you 3 charging styles so your batteries get what they need. It also adds built in protections that help keep your system running safely and smoothly.


Highlights

  • Direct Replacement Converter Tray: Swaps in as a lower tray converter for your power distribution center.
  • Fits WFCO 8900 Series MBA Setups: Exact replacement for WFCO 8900 Series MBA and other lower tray converters.
  • Choose How Your Batteries Charge: Select fixed, 2-stage, or 3-stage smart charging to match how you use your RV.
  • Works With Common Battery Types: Compatible with AGM, lead acid, and lithium batteries for flexible upgrades.
  • Built-In Protection for Peace of Mind: Reverse polarity, overload, and thermal protection help safeguard your system.

Specs

Electrical:

  • Output current: 55 amps
  • Adjustable voltage range: 13V-16.5V DC

Compatibility & Charging:

  • Converter type: Lower replacement converter tray
  • Battery types supported: AGM, lead acid, and lithium
  • Charging modes: Fixed voltage, 2-stage, and 3-stage smart charging

Warranty:

  • Warranty: 2-year


PM3-55-mba Power Max AC to DC Lower Section Replacement Converter Tray with Built-In Smart Battery Charger - 55A

Compare to WFCO WF-8955-MBA and WF-8955-AD-MBA

Installation Details PM37VR Installation instructions


California residents: click here


Video of PowerMax AC to DC Lower Replacement Converter Tray w/ Built-In Battery Charger - 12V - 55 Amps

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Review of PowerMax AC To DC Lower Replacement Converter Tray Built-In Battery Charger - PM37VR

Hi, everybody, Andy here with etrailer. Let's take a quick look at this PowerMax AC-to-DC Lower Replacement Converter Tray with Built-in Battery Charger. Now, if you're looking to replace the lower converter section in an RV power center, this is basically gonna be a plug-and-play upgrade that's gonna give you 55 amps of reliable 12-volt power, and this has a built-in smart battery charger as well. Now, the big advantage is the compatibility. This is designed as a direct replacement for any WFCO 8900 Series MBA and other brands of lower-tray converters. So, if the one that you currently have has failed, this is going to slide right in without having to redo your wiring or power center.

Now, what this does is pretty simple. When you plug your RV into shore power or you run a generator, this unit's gonna take the regular 110-volt AC power and convert it to 12-volt DC power. That's the power your RV uses for things like lights, fans, water pumps, pretty much all of your 12-volt systems. At the same time, this charges and maintains your RV batteries using a three-stage smart charging system, so the batteries get exactly what they need without being overcharged. This also plays well with different battery types such as lead/acid, AGM, and even lithium, because the output voltage is adjustable.

Plus, it has a built-in protections like overload and reverse polarity protection and a temperature-controlled fan to keep it running quietly and safely. So, this is gonna be a solid, modern replacement converter tray that not only powers your RV's 12-volt systems, but it does take good care of your batteries. So, if your RV converter has gone out or you're looking to upgrade for better charging performance, this is going to be a great option for you to consider. If you happen had any other questions, whether it's about this or anything else that we have here at etrailer, don't hesitate to reach out, because ultimately, we do wanna make sure that you're getting exactly what you need. Well, again, my name's Andy, thank you for joining me.

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Info for this part was:

Employee Mary K
Updated by:
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Employee Wilson B
Updated by:
Wilson B
Employee Sabrina W
Updated by:
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Employee Alex H
Written by:
Alex H
Employee Andy C
Installed by:
Andy C
Employee Anthony G
Edited by:
Anthony G

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