Technician responded to a no cool situation on a 2019 Goodman air conditioner. Upon testing of the unit the technician found the voltage enhancement system to be completely drained. The customer stated they had a power outage last night. The technician also found the outdoor unit to be very dirty on all sides. Technician presented options Hn13a-e. Customer chose option B and declined a cleaning stating they would take care of that themselves. Technician verified operation of the system after repair was completed. Supply air 59. Return air 81. No issues at this time.