Dory Power battery generators are made for fully automated backup power supply and featured with a number of competitive advantages including low cost, quietness, cleanliness, high safety (triple layer control), and long life (>10+ years). They can be used for continuous operations of such critical equipment as refrigerators, microwave ovens, furnaces, freezers, TVs, medical devices, computers, data servers, routers, lights, phones, etc., during power outages.