For Inquiries Call: (800)227-8899 or Email: sales@onlinepower.com


Please complete this form to receive a quote for any of our Online Power products. Sales representatives are also available to answer your questions by calling us at: (800) 227-8899 or emailing us at: sales@onlinepower.com


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The Leader in Power Protection Solutions

Since 1975 Online Power has produced an extensive line of power protection, power quality and lighting Inverters in addition to: Fire alarm backup, power conditioning, power distribution, isolation transformers, voltage regulation, and custom OEM.

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custom oem electrical power protection systems


With over 47 years of experience Online Power can help you design, build and manufacture custom OEM power protection solutions with our expert in-house team of engineers.

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Since 1996 Online Power has maintained ISO 9001 standards and has produced products that meet or exceed NFPA & UL safety standards.

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Online Power products are designed and manufactured in California at our Los Angeles facility.

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Find the Right Power Protection for Your Specific Needs

With over 48 years of experience, Online Power can design and manufacture a variety of power protection solutions that meet your specific power protection needs. Get in touch with one of our qualified product specialist today and get the help you need to find the right solution!


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“When we needed clarification on sizing of breakers inside their inverters, OnLine Power’s expert Engineering Department was extremely helpful in clarifying the exact need for our application. Thank you, OnLine Power”

- Alex Feizbakhsh| PE
RCI Builders

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“Our Amazon customer needed an Inverter on-site, sooner than the standard lead-time. OnLine Power was able to adhere to the customer’s needs, expediting their order, and delivering their product 2 weeks before their scheduled ship date. You can always count on OnLine Power!

- Brittany Bromley | Purchasing
Dominion Electric Supply Co. Inc.

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“In these uncertain times, dealing with COVID-19, the US Government needed to build warehouses to help fight this tragedy. Time was critical, so we turned to OnLine Power to provide them (16) Emergency Lighting Inverters. OnLine Power was able to build and ship ALL (16) units in 10 days. Great job, Online Power”!!

- Ready Electric Company
Eckart Supply

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“I just want to share and let you know that the Customer Service and Technical Support team did a great job supporting with all my projects. I’m glad you guys showed up to make presentation with us and it is really easy now for me managing my emergency power requirements. Working with this Team this way makes me felt like having a designer right here with me which makes my work so simple. Keep up the good work!”

- Dennis Sese | Principal / Electrical Engineer
DS&A Consulting Engineers, Inc.

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“OnLine Power’s commitment to working closely with my Engineer’s on a design build project in South Florida, allowed me the confidence and assurance that I will be getting nothing but the best WHENEVER I have an Emergency Lighting Inverter requirement”.

- Roberto Kachakil | PMP, P.
Eng Credo Consulting Engineers, LLC.

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Nemo, I want to personally Thank you and share my appreciation of you and your company with our staff! Team, Give Nemo and the OnLine crew all the inverter business possible! What a breath of fresh air from the Crucial Power days…Nemo you are FIRST CLASS in Customer Service!!! Thank You Again!

- John Borrelli | Principal/Owner
Sea Tac Lighting and Controls

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They are extremely wonderful and easy to work with and also in our time zone! They took care of this in less than a week!

- Andrew Hansen | Project Manager
Sea Tac Lighting And Controls

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*Online Power is a very competitive source when looking into Inverters/UPS, it comprehends a vast range of inverter that there is always one that would fit project’s needs perfectly. *Coordination and interaction are always responsive and in an excellent manner. And staff are always willing to work together to figure out inverter sizing and answer any questions. Would highly recommend Online Power Inverter solution to contractors and clients.

- Waikai Kam | Electrical E.I.T.
Robison Engineering Inc.

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I am always able to get quick, complete information from OnLine Power and with their broad range of lighting inverter product options and sizes I am always able to find something that fits the needs of my projects.

- Nathan Short | P.E.
Energy Systems Design Inc.



Since 1975, Online Power has been committed to providing the best power protection products and services in the industry. Our extensive line of power protection equipment includes everything from fire alarm backup to voltage regulation, and our lighting inverters are some of the most reliable on the market. We also produce many other power protection solutions, including power conditioning, distribution, and more. With a commitment to quality and customer satisfaction that's unparalleled in the industry, Online Power is your best bet for reliable power protection products.


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