Expert Marathon Batteries in Waco, TX

As President and Owner of Ni-Cad Systems, Inc., Helena Andrues leads one of aviation's most trusted battery testing and service facilities. Under her leadership, the company has maintained its commitment to excellence that began with her father's founding vision in 1974. Helena oversees operations at the FAA Part 145 approved facility, ensuring that every battery tested meets the rigorous standards demanded by corporate, airline, and military aviation customers. Her dedication to quality and customer service has helped the company surpass 47,000 units serviced while maintaining the fast turnaround times and 24/7 AOG support that aviation professionals depend on. Helena's hands-on approach and deep understanding of the aviation industry ensure that Ni-Cad Systems continues to adapt and innovate to meet evolving customer needs.

Stephen Andrues brings exceptional credentials to his role as Vice President and General Manager, including FAA Designated Engineering Representative (DER) status, A&P mechanic certification, and pilot credentials. With 40 years of specialized experience servicing Nickel Cadmium aircraft batteries, Stephen holds over 30 FAA-PMA approvals that demonstrate his technical expertise and innovation in aviation battery systems. His deep understanding of both the engineering and operational aspects of aircraft power systems allows him to oversee the technical operations of Ni-Cad Systems' FAA-approved facility with unmatched precision. Stephen's combination of hands-on mechanical experience, engineering knowledge, and pilot perspective gives him unique insight into the critical importance of reliable battery performance. He personally ensures that every battery tested meets the highest standards of aviation safety and reliability, maintaining the company's reputation for quality that has been built over five decades.