• Shaded Solar Panel 2

    The Balancer: like adding free panels to your solar array.

  • Balancer

    Up to 30% more power. A fraction of the cost of a micro-inverter. Meet the Balancer.

  • Leaf (test)

    Love your neighbors, despite their trees.

  • Shaded Solar Panel (test)

    Make the solar investment. And, make it pay back faster.

  • Sun Shot Initiative test

    Maximize solar output now, and for the next 20 years.

More Power from Solar Arrays

The Balancer recovers power lost to shade, clouds, dust and age, then injects that energy back into the system to increase output by 15% or more. More economical and reliable than conventional optimizers and micro-inverters, the Balancer helps you achieve a return on your solar investment faster. Let it rain, let the wind blow, let the neighbors' trees grow—the Balancer keeps your installation pumping at capacity no matter what comes. Learn More.

Install More Power

Maxout's Balancer starts improving power output from the moment it is installed and increases in usefulness as a system ages. Featuring snap-together wiring and rugged construction, the Balancer is simple to install and maintain. A Balancer-equipped solar array stands apart from conventional systems, with built-in efficiency and protection from fouling and aging to bring a far faster return on investment.  Learn more.

More Intelligent Solar Electronics

The Balancer utilizes patented optimization technology to pull maximum power from every panel in a solar array. Real-time monitoring information helps you maximize the health of your installation. In daylight the Balancer makes a system perform like it has more panels. In low light it keeps the system pumping, so you see a return on your investment far sooner. Learn more.

News and Milestones

February 2020 - Maxout has been named a semi-finalist in the Department of Energy's American-Made Solar Prize. Maxout earned the honor for its Evergrid, an affordable solution for turning a solar installation into a microgrid during a grid outage. The American-Made Solar Prize is a $3 million competition designed to accelerate and sustain solar innovation in the United States. As one of 20 semifinalists Maxout will receive funding to develop and prototype the Evergrid, and the opportunity to advance to the next contest in this 3-part competition.  Read more about the American-Made challenges here.

January 2020 - Maxout has been awarded a CalSEED (California Sustainable Energy Entrepreneur Development) Prototype Award of $450,000 to continue development of its Polyverter solar inverter. The six awardees were selected through a rigourous business plan competition in which each company demonstrated the significant commercial promise of their energy innovations. Maxout's Polyverter is a multimode, all-in-one solar inverter which includes integrated per-panel optimization, battery storage, and emergency back-up capability. Read more about the CalSEED awards.

December 2019 - Maxout joined three other companies presenting clean technologies and products at CleanTech's first CONNEX event in Sacramento. The event was held in collaboration with New Energy Nexus (formerly the California Clean Energy Fund or CalCEF). Read more about the event and CleanStart's efforts to put the spotlight on investable clean tech companies.

February, 2018 - Maxout has won a Concept Award from the CalSEED program to develop its Polyverter smart string inverter. CalSEED, which aims to fund promising energy entrepreneurs with early-stage concepts, is funded by the California Energy Commission and is administered by the California Clean Energy Fund.

August, 2016 - US Patent number 9,407,093 issues, covering a method for balancing circuit voltage. 

March, 2016 - US Patent number 9,300,133 issues, covering central inverter technology. 

October, 2015 - US Patent number 9,729,062 issues, covering isolated flyback converter technology.

September, 2015 - US Patent number 9,136,703 issues. According to CEO and inventor Dr. Cummings, "this patent covers our finding that the same power electronics that make the Balancer optimizer work can also keep inverters producing power in dim light and cloudy days. The Balancer can be the boost stage for the inverter, which saves about a third of the inverter cost." This patent is the nexus of Maxout's Balancer and Polyverter development and results in savings of about $500 on a typical install. 

September, 2015 - US Patent number 9,136,704 issues. "This is the first of our inverter patents and a real milestone. This patent covers key technical features that improve central inverter reliability and serviceability," explains Maxout CEO and inventor Dr. Eric Cummings. Maxout aims to make a central inverter with maximum energy harvest and minimum capital and operating costs---compatible with $0.02/kW-hr solar power.

May 22, 2015 Maxout's Polyverter functionality proven in lab tests. "We finished proof-of-principle testing and verified four of our architectural advances. The next stage is product development, but first we have some patent writing to finish," said CEO Dr. Cummings.

February 27, 2015 - Maxout's Polyverter design released for fabrication. The Polyverter will bring residential inverter costs below $0.10/W with unprecedented reliability. "It took five discrete architectural advances to achieve our breakthrough in cost and performance and four generations of in-silico design development to get to this milestone. I've never seen such a cost and time-effective development of an unprecedented product. This is a real triumph of teamwork and tenacity," claims CEO Dr. Cummings.

November, 2014 - Maxout was selected as the  Cleantech Open national category finalist in the Energy Generation category. The announcement was made in San Francisco at the Cleantech Open Global Forum, the “Academy Awards of Cleantech,” which marked the grand finale of this year’s Cleantech Open Accelerator and the culmination of the 2014 Cleantech Open Global Ideas Competition. Meet all of the winners at:


Congratulations to everyone at Maxout, and to all of the inspired companies that participated in the Cleantech Open at the regional and national levels. 

October, 2014 - Maxout is heading to the finals of the CleanTech Open!

The Cleantech Open is a not-for-profit organization that runs the world’s largest accelerator for cleantech startups. Their mission is to find, fund and foster entrepreneurs with big ideas that address today’s most urgent energy, environmental and economic challenges.

As one of four Western Region finalists MaxOut is on its way to the Global Forum next month in San Francisco. This event will showcase the best new clean technology start-ups from 8 US regions and 6 other countries who have just completed the Cleantech Open Accelerator program. 

Congratulations to the entire Maxout team, and to all of the Cleantech Open finalists and semifinalists!

September, 2014 - MaxOut has been selected as a finalist to present at VERGE SF this October. VERGE focuses on practical, scalable energy solutions. 

July, 2014 - Maxout installs 3200W freestanding test system at The Oasis at Livermore, in Livermore, CA.

June, 2014 - Maxout announces opening of convertible note of up to $1.5 million.

June, 2014 - Maxout Renewables is selected as a semifinalist for the 2014 CleanTech Open.

April, 2014 - Maxout's patent 8,786,139 issues for "Architecture for Power Plan Comprising Clusters of Power-Generation Devices." 

January, 2012 - Maxout Renewables was invited to display at the ARPA-E Energy Innovation Summit in National Harbor, Maryland.

December, 2011 - Maxout celebrates its successful development of a second-generation Balancer.

May, 2011 - Maxout successfully tests first generation electrical prototype balancer, exceeding target conversion efficiency over a wide range in module and string voltage.