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Gill G-641 Battery

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The Gill Electric Company was founded by Mr. Lawrence Gill in 1920, in Redlands, California, where the factory remains today. At that time, Gill Electric manufactured lead-acid batteries for the automotive industry. During the war years, Gill manufactured batteries for military ground vehicles and aircraft; some of these batteries are still in production today. Gill Electric improved the drycharged process which provides a fresh charged product when the electrolyte is added. Gill has become the OEM "original equipment battery" for Raytheon, Cessna, LearJet, Mooney, Piper, Ayres, Airtractor, Maule, Scheizer and others in the aviation industry and Gill continues to be the industry's choice for quality battery products.
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Application Guide

Manufacturer Model PMA SUP. #
Bell 206A, 206B, 206L, 206L-1, 206L-3, (W/ STC SRO1406LA), 206L-4 23, 51
Enstrom TH-28, 480, 480B 62
McDonnell Douglas (Hughes) 369 Series, 500N 23, 50
MD Helicopters Inc. 369, 369A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N, 600N (w/ STC kit SR01427LA installed) 50
Schweizer Aircraft Corp. 269D 50

Warranty Info

Warranty Information


  • Rate (Amps): 1 hr (C1) 18, 30 min (2C) 30, 60 sec/0F (CCA)
    Model Weight Part No.

    24 Volt
    With Acid

    54 Lbs. (full)
    Electrolyte (4 Qts.)

    24 Volt

    W/O Acid

    41.5 Lbs. (full)
    Electrolyte (4 Qts.)



James C Verified Purchase


June 8, 2023

First class service from the phone order to delivery. Thanks for the excellent service. Tim

Tim C
March 16, 2021


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Hello, do you have the amperes info for the G-641?

Rate (Amps): 1 hr (C1) 18, 30 min (2C) 30, 60 sec/0F (CCA)

Q: Regarding the Gill G-641 battery: Can you please specify the Battery Type, ie NiCd, LiFe, NiMH, etc, and the battery capacity, eg 17Ahr at 24V Please?

Per Vendor: The G-641 battery is a 18 amp/hour, 24 volt, lead acid battery. There is a sealed version of the G-641 battery and it is called 7641-20. It is a 20 amp/hour battery.

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