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PowerMax 55 Amp MBA 3 Stage Converter
Item No. 95474
PowerMax 55 Amp MBA 3 Stage Converter is rated 4.5 out of 5 by 4.
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PowerMax 55 Amp MBA 3 Stage Converter
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PowerMax 55 Amp MBA 3 Stage Converter

PowerMax 55 Amp MBA 3 Stage Converter is rated 4.5 out of 5 by 4.
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Item No. 95474
$129.99 $144.49
Save $14.50 ( 10% Off )
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Additional Information
Exact replacement for any WFCO 8900 series main board converter. Built-in 3 Stage Charging and single output modes. Output voltage adjustable from 13.0 Vdc to 16.5 Vdc. Reliable, Safe and Clean AC/DC power. Reverse Polarity, Overload and Thermal Protection.

Unit hard wires into an RV AC and DC Power Distribution Center. The built-in Smart charger automatically regulates output between the different charge rates of Bulk (14.7V) Absorption (13.8V) and Float (13.2V) and with Reverse Polarity, Overload and Thermal Protection the PowerMax PM4 Series provides a high output, reliable, safe and clean DC Power. Ideal for use with RV's when replacing any WFCO 8900 Series or any Lower Section Trays, MBA's to provide 12Vdc Power with high amperage outputs for charging battery or run 12Vdc Equipment in the RV, Trailer, 5th Wheel.

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  • 55 Amp Multi Stage Smart Charger
  • Overtemp, Overload & Reverse polarity protection
  • Quiet temperature controlled cooling fan
  • 2 year warranty
  • UL- CUL approved

    Please see Technical Specs for information about Maintenance and Installation.
Amperage 55.00 A
Unit Weight 7.00 lb
Brand PowerMax
MFG Part No. PM3-55-MBALK
Rated 4 out of 5 by from Great OEM replacement Almost exact replacement for OEM Charger/Converter. Works perfectly. DC connection to DC BUS is a wire gauge smaller than OEM, but obviously adequate for a one foot run.
Date published: 2020-04-13
Rated 4 out of 5 by from Check the fit, but great replacement to OEM. This didn't fit 100% perfectly. I busted the plastic clip to fit it. But it did fit in the same space as original one and works great. It is keeping my batteries charged!
Date published: 2021-07-28
Rated 5 out of 5 by from Works Fits in the OEM slot just like it was supposed to. Easy to install, works properly, I cant hear the cooling fans as I noticed others write it was loud.
Date published: 2020-06-12
Rated 5 out of 5 by from RV CONVERTER Unit is as described and was very reasonably priced, also it arrived early (fast).
Date published: 2020-10-24
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Can you tell me if this model has the option to Fix the output (not three stage charging) and adjust the voltage (so that i can set it at 14.2 per my LIPO4 battery recommendation) ?

Asked by: Traveler
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