The DELTA Pro Ultra is the industry-leading portable home battery solution with an expandable ecosystem, delivering the highest output power ever by one single unit in the history of home backup power. It can successfully power high-voltage solar inputs for users to create a sustainable solar power system. For increased efficiency, users can expand their DELTA Pro Ultra ecosystem by stacking several together and pairing it with a Smart Home Panel 2. The DELTA Pro Ultra is an industry-first innovation that combines smart energy and eco-friendly design into a powerful whole-home power solution.