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PowerMax AC to DC Lower Replacement Converter Tray w/ Built-In Battery Charger - 12V - 45 Amps
PowerMax

PowerMax AC to DC Lower Replacement Converter Tray w/ Built-In Battery Charger - 12V - 45 Amps

Part Number: PM57VR
In Stock
$155.00
Retail:$209.00
You Save: $54.00
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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 PM57VR 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 - 45 Amps. Accessories and Parts reviews from real customers.
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PowerMax Accessories and Parts - PM57VR

  • RV Power Converter
  • Converter Section
  • PowerMax
  • 45 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: 45 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


PM3-45-mba Power Max AC to DC Lower Section Replacement Converter Tray with Built-In Smart Battery Charger - 45A

Compare to WFCO WF-8945-MBA and WF-8945-AD-MBA

Installation Details PM57VR Installation instructions


California residents: click here


Video of PowerMax AC to DC Lower Replacement Converter Tray w/ Built-In Battery Charger - 12V - 45 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 - PM57VR

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 section of an RV power converter, this is basically a drop-in AC to DC power converter and smart battery charger. Its job is simple but important when your RV is plugged into shore power. This takes the regular 110 volt AC power and turns it into 12 volt DC power, the kind of power that runs your RV lights, water pump, fans and other 12 volt accessories run on.

And at the same time, this also works as a 45 amp smart battery charger, meaning it not only charges your RV's battery, but it does so in a controlled three stage process. That's gonna help maintain your battery health and extend its lifespan. It's automatically going to switch between bulk charging, topping off and maintenance mode, so you don't have to worry about overcharging. This is designed to be a replacement lower converter section for many RV power distribution centers, especially those similar to the WFCO 8900 Series on your screen. I also have MBA and other brands of lower trade converters.

This will be a good replacement for, so this is gonna be ideal if your old converter quits working, but your panel box is still in good shape. Insulation is typically straightforward because the module is made to slide into the existing compartment and just hook up to your current wiring as you see here. So this is gonna be a solid, reliable option if you want something that powers your RV's 12 volt system, charges and maintains your battery automatically. Fits as a replacement in many standard RV converter panels and gives you enough power, 45 amps for most mid-size RV setups. If you happen to have any other questions, whether it's about this or anything else that we have here at etrailer, don't hesitate to reach out.

We do wanna make sure that you're getting exactly what you need. Well, again, my name is Andy. Thank you for joining me.

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Info for this part was:

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Employee Wilson B
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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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