Morningstar Controller Offers Backup Power

The TriStar MPPT 600V Controller with DC Transfer Switch, by Morningstar Corp., is an Electrical Energy Storage Award 2015 finalist for its application to retrofit existing grid-tied solar systems to enable battery backup power.

The high-voltage controller boasts a peak efficiency of 97.9% and allows homeowners, small businesses, and medical facilities to switch on critical backup power in the event of a utility power outage.

This retrofit application can be completed in less than a day, without making changes to photovoltaic (PV) arrays and without compromising efficiency in existing grid-tied systems.

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