A UPS program with on line double-conversion topology (and generator mode) will consistently filter filthy power and create clean AC output power. Soiled power is noisy, which makes a jagged sine wave but prevents highest power output. The Ego app shows power use, time remaining, and battery position. In the https://generator-power-solutions53186.onesmablog.com/the-definitive-guide-to-generator-and-power-supply-70143531