MARATHON – ELECTRONIC BATTERY – 9913-1
MARATHON – MOD KIT – MA-5
MARATHON – 20-CELL MOD KIT – CA-103
FAA-PMA Replacement Battery Packs
MARATHON – LOW-IMPEDANCE RECEPTACLE (BUTT TYPE)
MARATHON – LOW-IMPEDANCE RECEPTACLE
Low-Impedance Battery Receptacles
MARATHON – LOW-IMPEDANCE RECEPTACLE (STUD TYPE)
FAA-PMA Modification Kits
FAA-PMA Approved certified

FAA-PMA Approved

FAA Part 145 Approved certified

FAA Part 145 Approved

Marathon M12V90FT Industrial Batteries

Marathon M12V90FT Industrial Batteries are FAA-PMA approved nickel-cadmium aviation battery solutions including replacement battery packs, modification kits, and low-impedance receptacles. Engineered for corporate aviation, airline operations, and military aircraft, these batteries deliver reliable emergency power and electrical system performance. Supported by over 47 years of specialized aviation battery expertise and 24/7 technical support.

Our Range of Products
MARATHON – ELECTRONIC BATTERY – 9913-1

MARATHON – ELECTRONIC BATTERY – 9913-1

  • FAA Part 145 Approved Service
  • Fast Turnaround with Rentals
  • Capacity-Testing Services
MARATHON – MOD KIT – MA-5

MARATHON – MOD KIT – MA-5

  • FAA-PMA Approved
  • Second Source Alternative
  • 40+ Years Experience
MARATHON – 20-CELL MOD KIT – CA-103

MARATHON – 20-CELL MOD KIT – CA-103

  • FAA-PMA Second Source
  • 20-Cell Modification Kit
  • Fast Turnaround Service
FAA-PMA Replacement Battery Packs

FAA-PMA Replacement Battery Packs

  • FAA-PMA Approved Packs
  • Multiple Aircraft Compatible
  • Fast Turnaround Service
MARATHON – LOW-IMPEDANCE RECEPTACLE (BUTT TYPE)

MARATHON – LOW-IMPEDANCE RECEPTACLE (BUTT TYPE)

  • FAA-PMA Second Source
  • Low-Impedance Performance
  • Butt Type Configuration
MARATHON – LOW-IMPEDANCE RECEPTACLE

MARATHON – LOW-IMPEDANCE RECEPTACLE

  • FAA-PMA Approved
  • Low-Impedance Performance
  • 40+ Years Experience

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Frequently Asked Questions

What is the FAA-PMA approval for Marathon batteries?

FAA-PMA (Parts Manufacturer Approval) certifies Marathon batteries as approved second-source alternatives meeting all FAA aviation safety standards and regulatory requirements for aircraft use.

How long does battery service and testing take?

What is the difference between modification kits and battery packs?

Are low-impedance receptacles compatible with other battery brands?

What support is available for AOG situations?

Can you service both nickel-cadmium and lead-acid batteries?

What aircraft types are Marathon batteries compatible with?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Corporate Aviation

Corporate Aviation

Marathon batteries provide reliable emergency power and electrical system support for corporate aircraft fleets including Cessna, Falcon, and Citation series.

Airline Operations

Airline Operations

FAA-PMA approved battery solutions for commercial airline fleets including DC-9, DC-10, and L-1011 aircraft with 24/7 AOG support available.

Military Aircraft

Military Aircraft

Specialized Marathon battery packs and modification kits engineered for demanding military aviation applications with fast turnaround service.

Emergency Power Systems

Emergency Power Systems

Low-impedance receptacles and battery packs designed for critical emergency lighting and backup power applications in aviation environments.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

You might also like

MARATHON – ELECTRONIC BATTERY – 9913-1 | Marathon Batteries

Marathon Batteries

Marathon battery products, including FAA-PMA approved replacement battery packs, low-impedance receptacles, and modification kits for aviation applications. Designed for corporate, airline, and military aircraft with nickel cadmium technology. Backed by over 47 years of aircraft battery servicing expertise and 24/7 technical support.
MARATHON – LOW-IMPEDANCE RECEPTACLE (BUTT TYPE) | Marathon Aircraft Batteries

Marathon Aircraft Batteries

Marathon Aircraft Batteries by Ni-Cad Systems offer FAA-PMA approved replacement battery packs, modification kits, and low-impedance receptacles for nickel-cadmium aviation battery systems. These products serve corporate, airline, and military aircraft with fast turnaround times, 24/7 AOG support, and over 47 years of manufacturing excellence. Designed for optimal performance and reliability in demanding aviation applications.
MARATHON – ELECTRONIC BATTERY – 9913-1 | Marathon Nicad Batteries

Marathon Nicad Batteries

Browse our complete line of Marathon Nicad Batteries and related components. Ni-Cad Systems offers FAA-PMA approved second-source battery packs, low-impedance receptacles, modification kits, and temperature sensors. With over 50 years of aviation battery expertise and 47,000+ units serviced, we deliver quality products with fast turnaround times and 24/7 AOG technical support.

Why Aviation Operators Choose Ni-Cad Systems, Inc.

FAA-PMA Approved Excellence

Over 30 FAA-PMA approvals with 47+ years of specialized aviation battery servicing experience ensuring regulatory compliance and reliable performance for your fleet.

24/7 AOG Technical Support

Round-the-clock emergency support with rental batteries available immediately to keep your aircraft operational during critical maintenance and repair situations.

Comprehensive Service Capability

Full-spectrum capacity testing, deep-cycling services, and storage solutions backed by over 100 years of combined team engineering expertise for any nickel-cadmium battery.

Get Expert Guidance on Marathon Battery Solutions Today

Connect with our aviation battery specialists for technical specifications, compatibility verification, and fast-turnaround quotes. Expect a response within 24 hours from our experienced team.

Contact Us Today

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