Gasoline generators can make Electricity for an unlimited amount of time providing you have gasoline or propane on hand to refill them. For photo voltaic generators, the speed of ability era depends upon the size from the attached photo voltaic array. Inverter generators also operate on gasoline or propane, but https://what-size-generator-do-i54297.thezenweb.com/the-2-minute-rule-for-what-size-generator-do-i-need-for-2000-square-feet-64577745