Batteries; Battery chargers; electric storage batteries; batteries for generators; Electrical switchgear, namely, voltage boosting devices for electric power lines; Digital electronic devices for organizing, transmitting, managing, controlling and reviewing data and audio files, namely, digital interfaces; amplifiers; Switchgears; power transfer switches for automatically switching between a primary power source and a back-up power source; Electric control panels for use with power generators; electric controllers for power generators; Facilities management software, namely software for use in the selection and development of power system requirements for energy management