[ Software for controlling and operating power systems; ] battery racks; [ rectifiers; ] inverters; battery fuse units; circuit breakers; electrical cables; electrical connectors; [ controllers for use in direct current power systems; ] batteries

Technical support services, namely, providing technical advice related to the repair and maintenance of power backup systems

Design for others in the field of power systems; technical support services, namely, providing technical advice related to the design of power backup systems [ ; technical verification of the designs of power systems ]