is a world-leading supplier of photovoltaic (PV) controllers using advanced
technology. Our products are sold in 57 countries through a global network of
163 authorized Morningstar distributors.
Our controllers have set new standards in the industry for quality, high
reliability and extended battery life. Last year, we shipped over 150,000
controllers and are in the process of developing several new PV controllers.
Morningstar is a privately owned US corporation. Our commercial office is
located near Philadelphia, and our engineering lab in Columbia, Maryland. Our
products are manufactured in an ISO 9001 certified facility.
Morning Star Products:
have been recognized in the international PV markets as the most advanced and
highest-quality controllers available as noted below:
- Morningstar's TriStar™,
- Relay Driver™,
- SunKeeper™ ,
- Extremely High
Reliability - Failure rates of less than 2 per 1,000 units.
- Outstanding Battery
Charging - PWM charging can double the life of the battery and recover
capacity in a sulfated battery. Series design (not shunt) reduces heating and
stress on the electronic components.
- Highest Quality -
Manufactured in a fully automated world-class ISO 9001 factory. Quality
control using the latest computerized test equipment.
Protection - Rated for ambient temperatures of -40°C to +60°C. Epoxy
encapsulated to protect boards from corrosion.
- Superior Lightning
Protection - Use of large 1500W transient voltage suppressors provide faster
response to transients and do not degrade over time.
- No Need to De-rate -
Designed with a 25% safety margin, controllers may be used up to their full
- Expected 15 Year Life
- carry a full 5-year warranty, with an expected operating life of 15 years or
more. SHS™ controllers carry a two-year warranty.
- Easy to Use -
Well-written manuals, good technical support by phone or internet, large
clearly-marked wire terminals, reverse polarity protected and good LED
For more information on renewable energy, wind turbines and other
off grid systems call 1-888-810-4709 or email