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About Us

Parallax Power Supply is a name you can trust. We are the pioneers of RV power with over 50 years of service and experience.

With Parallax Power Supply, you can expect high quality, reliable electrical systems that are manufactured from premium components, designed with experience, and expertly manufactured. Parallax electrical systems meet the needs of discerning RV owners and manufacturers who desire quality and reliability.

While many suppliers claim quality, we demonstrate it with superior products made from steel components that are built to last. Quality is the foundation of Parallax Power Supply, and with it comes customized solutions to fit your specific line requests. Parallax Power Supply provides the unique options you need to maximize your product development and sales.


As a pioneer of the RV electrical industry, we are leading the way with continued innovation and product design. Our cutting-edge products and technology such as the TempAssure™ system (patented) will ensure your RV model remains at the forefront by promoting RV quality and innovation.

Our Promise: Parallax Power Supply provides your brand superior reliability with extensive cycle testing of all our products. Field reliability is further enhanced by innovative diagnostics and controls to ensure you get the best quality products for your RVs.

The Parallax Group Inc. team looks forward to Powering Your RV Adventure!


1-800-443-4859 | 600 Broadway St., Anderson, IN 46012

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