MARATHON – 20-CELL MOD KIT – CA-103
MARATHON – MOD KIT – MA-5
SAFT MOD KIT CA154-1
FAA-PMA Modification Kits
FAA-PMA Approved certified

FAA-PMA Approved

Part 145 FAA Approved certified

Part 145 FAA Approved

20-Cell Battery Modification Kit for CA-103

Browse our FAA-PMA approved 20-cell battery modification kits designed specifically for CA-103 Marathon nickel-cadmium aircraft batteries. Engineered for reliable performance in corporate, airline, and military aviation applications, these second-source modification kits are manufactured in our Part 145 FAA-approved facility with over 100 years of combined engineering expertise.

Our Range of Products
MARATHON – 20-CELL MOD KIT – CA-103

MARATHON – 20-CELL MOD KIT – CA-103

  • FAA-PMA approved second source
  • Marathon NiCd battery compatible
  • 24/7 AOG support available
MARATHON – MOD KIT – MA-5

MARATHON – MOD KIT – MA-5

  • FAA-PMA approved for Marathon
  • 40+ years battery expertise
  • 24/7 AOG support available
SAFT MOD KIT CA154-1

SAFT MOD KIT CA154-1

  • FAA-PMA approved for SAFT
  • Fast turnaround service
  • Rental batteries available
FAA-PMA Modification Kits

FAA-PMA Modification Kits

  • FAA-PMA approved kits
  • Part 145 facility manufactured
  • Fast turnaround service

Frequently Asked Questions

What is a 20-cell battery modification kit for CA-103?

An FAA-PMA approved modification kit designed to upgrade or replace Marathon nickel-cadmium battery cells in the CA-103 configuration for aircraft applications.

Is the CA-103 modification kit FAA approved?

What aircraft types use the CA-103 modification kit?

How long does installation of the modification kit take?

Is technical support available for the CA-103 kit?

Can I use this kit with SAFT batteries?

What is the warranty on the modification kit?

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

Reliable battery modification solutions for corporate aircraft fleets requiring FAA-approved components.

Airline Operations

Airline Operations

Certified modification kits for commercial airline battery systems ensuring safety and regulatory compliance.

Military Aviation

Military Aviation

Mission-critical battery modification kits for military aircraft requiring stringent quality standards.

Aircraft Maintenance

Aircraft Maintenance

Essential modification kits for MRO facilities performing battery system upgrades and repairs.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Aviation Professionals Choose Ni-Cad Systems, Inc.

FAA-PMA Approved Excellence

Over 30 FAA-PMA approvals and Part 145 certification ensure every modification kit meets the highest aviation safety and quality standards for reliable performance.

Decades of Engineering Expertise

Over 100 years of combined engineering and service experience in nickel-cadmium battery systems, with 40+ years specifically servicing aircraft batteries.

24/7 AOG Technical Support

Round-the-clock emergency support with fast turnaround times and rental batteries available to keep your aircraft operational during maintenance and repairs.

Get Expert Guidance on CA-103 Modification Kits

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

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