Capacity Testing Services
Expert capacity-testing and deep-cycling for nickel-cadmium and lead-acid aircraft batteries with fast turnaround times to minimize fleet downtime and ensure mission readiness.
Ni-Cad Systems delivers mission-critical aircraft battery solutions engineered for aerospace and defense applications. With over 50 years of FAA-approved expertise and 30+ PMA certifications, we provide rapid-response servicing, comprehensive testing, and second-source components that keep military and commercial fleets operational worldwide.

Comprehensive battery testing, servicing, and support solutions engineered for aerospace and defense operational requirements.
Expert capacity-testing and deep-cycling for nickel-cadmium and lead-acid aircraft batteries with fast turnaround times to minimize fleet downtime and ensure mission readiness.
Specialized capacity-testing and deep-cycling for emergency aviation batteries with expedited processing. 24/7 AOG technical support ensures rapid response for critical situations.
Immediate access to rental batteries keeps your aircraft operational during service cycles. Our comprehensive inventory ensures you maintain flight schedules without interruption.
Secure storage services for spare battery inventory with controlled environmental conditions. Maintain backup readiness while optimizing your facility space and resources.
Second-source batteries, temperature sensors, and modification kits with 30+ FAA-PMA approvals. Cost-effective alternatives maintaining full airworthiness compliance.
Round-the-clock emergency technical support for aircraft-on-ground situations. Immediate expert consultation and expedited parts availability minimize operational disruptions.
Since 1974, Ni-Cad Systems has provided aerospace and defense organizations with comprehensive battery servicing in our Part 145 FAA-approved facility. Our team brings over 100 years of combined experience to every project, having serviced 47,000+ units for corporate, airline, and military customers. We maintain the capability to service any nickel-cadmium or lead-acid battery, backed by fast turnaround times and rental units that keep your fleet operational during service cycles.

Over 47,000 battery units serviced for aerospace and defense customers worldwide since 1974.
Five decades of specialized expertise serving aerospace and defense operations.
Part 145 FAA-approved facility with 30+ PMA certifications ensuring full airworthiness compliance for all services.
Comprehensive servicing for any nickel-cadmium or lead-acid battery from all manufacturers including SAFT, Marathon, Varta, Concorde, and Gill.
24/7 AOG technical support with expedited turnaround times and rental battery availability to maintain operational continuity.
Over 50 years servicing aerospace batteries with 47,000+ units completed for corporate, airline, and military customers worldwide.
Decades of specialized aerospace battery expertise guiding every project.
President/Owner
Helena Andrues leads Ni-Cad Systems, Inc. with a steadfast commitment to operational excellence and customer service in the aerospace battery industry. Under her leadership, the company has maintained its position as a trusted partner to corporate aviation, airlines, and military organizations worldwide. Helena continues the legacy established by founder Hershel R. 'Andy' Andrues, ensuring the company's values of quality and reliability remain central to every customer interaction. She oversees the strategic direction of the company while maintaining the personal attention to customer needs that has defined Ni-Cad Systems since 1974. Her dedication to surpassing customer expectations has helped the company achieve significant milestones, including servicing over 47,000 units and obtaining 30+ FAA-PMA approvals.
Vice President/General Manager
Stephen Andrues brings exceptional technical expertise to Ni-Cad Systems as Vice President and General Manager, holding credentials as an FAA Designated Engineering Representative (DER), A&P mechanic, and pilot. With 40 years of specialized experience servicing nickel-cadmium aircraft batteries, Stephen has been instrumental in establishing the company's technical reputation within the aerospace industry. He holds responsibility for 30+ FAA-PMA approvals that enable Ni-Cad Systems to provide cost-effective second-source solutions while maintaining full airworthiness compliance. His deep understanding of aviation requirements—from both engineering and operational perspectives—ensures that every service meets the rigorous standards demanded by corporate, airline, and military customers. Stephen's hands-on approach and technical leadership have been crucial in developing the company's capabilities to service any nickel-cadmium or lead-acid battery, making Ni-Cad Systems a versatile partner for diverse aviation needs.
What types of aircraft batteries can Ni-Cad Systems service?
We have the capability to service any nickel-cadmium or lead-acid aircraft battery, including all major manufacturers: SAFT, Marathon, Varta nickel-cadmium batteries, and Concorde and Gill (Teledyne) lead-acid batteries. Our Part 145 FAA-approved facility is equipped to handle batteries from corporate, airline, and military aircraft.
How quickly can you turn around battery testing and servicing?
What FAA certifications does Ni-Cad Systems hold?
Do you provide emergency support for aircraft-on-ground situations?
What is your battery rental program?
Can you service batteries for military aircraft?
What is capacity testing and why is it important?
Do you offer storage services for spare batteries?
Our FAA-certified engineers are ready to discuss your specific battery requirements and service needs.
Certified high-tech aircraft battery repair facility
Parts Manufacturer Approval for components
Continuous aerospace service since 1974
Contact our technical team for expert consultation on aircraft battery testing, servicing, or FAA-PMA components. We respond to all inquiries within one business day, with 24/7 support available for AOG situations.
For immediate assistance, feel free to give us a direct call at +1 510 785 9391 You can also send us a quick email at Sandrues@aol.com
For immediate assistance, feel free to give us a direct call at +1 510 785 9391 You can also send us a quick email at Sandrues@aol.com