
MARATHON – LOW-IMPEDANCE RECEPTACLE (BUTT TYPE)
- Butt type receptacle
- FAA-PMA approved
- Low-impedance optimal













FAA-PMA Approved
Part 145 FAA Approved
Marathon Terminal Blocks are FAA-PMA approved low-impedance battery receptacles designed for aircraft electrical systems. Available in stud type and butt type configurations, these receptacles ensure optimal performance and reliability for Marathon nickel cadmium batteries. Manufactured by Ni-Cad Systems, Inc., a Part 145 FAA approved facility with over 50 years of aviation battery expertise, these terminal blocks deliver superior connectivity for corporate aviation, airline operations, and military aircraft applications.






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What is a low-impedance battery receptacle?
A low-impedance receptacle minimizes electrical resistance, ensuring optimal power transfer between the aircraft battery and electrical system for reliable performance and reduced energy loss.
Are these receptacles compatible with all Marathon batteries?
What's the difference between stud type and butt type configurations?
Do you offer 24/7 support for AOG situations?
What certifications do these receptacles carry?
How long does delivery typically take?
Can these receptacles be used in military aircraft?
Talk to our experts for custom solutions and tailored guidance.

Reliable battery receptacles for business jets and corporate aircraft, ensuring optimal electrical system performance for executive travel operations.

FAA-approved terminal blocks for airline fleet maintenance, supporting high-volume operations with fast turnaround and 24/7 technical support.

Mission-critical battery receptacles for military aircraft, engineered to meet stringent defense standards for reliability in demanding operations.

Second-source battery receptacles for MRO facilities, offering fast delivery and expert technical support for diverse aircraft models.
Talk to our experts for custom solutions and tailored guidance.



Over 30 FAA-PMA approvals backed by Part 145 certification and 50+ years of proven aviation battery expertise ensure reliable, compliant components for your aircraft.
Round-the-clock AOG support with rental batteries available ensures your fleet stays operational. Fast turnaround times minimize downtime for corporate, airline, and military operations.
Over 100 years of combined engineering experience with FAA DER credentials and A&P mechanics delivers custom solutions and technical consultation for complex battery system challenges.
Connect with our aviation battery specialists for technical guidance, pricing, and fast delivery. Expect a response within 24 hours from our expert team.
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