UL 1973 covers the battery, UL 9540A is a fire test report, UL 9540 certifies inverter and battery as one system. What inspectors ask for, how to verify a model, and the certification status of every battery and inverter we sell.
UL 1973 covers the battery, UL 9540A is a fire test report, UL 9540 certifies inverter and battery as one system. What inspectors ask for, how to verify a model, and the certification status of every battery and inverter we sell.