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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.

Application Guide

Manufacturer Model PMA SUP. #
Cessna 152, A152, F152, FA152, 172N, 172P, 172Q, 172R, 172RG, 172S, F172N, F172P, FR172K, R172K, 182Q, 182R, 182S, 182T, F182Q, R182, T182, T182T, TR182, A188B, T303 70
Cirrus SR20, SR22, SR22T, SR 20, SR 22, SR 22T 70
Commander 114B, 114TC 70
Diamond DA 40, DA 42 70
Maule M-4-180V, M-6-180, M-6-235, M-7-235, M-7-235A, M-7-235B, M-7-235C, M-7-260, M-7-260C, M-7-420A, M-7-420AC, MT-7-235, MT-7-260, MT-7-420, MX-7-160, MX-7-160C, MX-7-180, MX-7-180A, MX-7-180AC, MX-7-180B, MX-7-180C, MX-7-235, MXT-7-160, MXT-7-180, MXT-7-180A, M-8-235 70
Mooney M20J, M20K, M20L, M20M, M20R, M20S, M20TN 70
Piper PA-28-161, PA-28-181, PA-32-301FT, PA-32-301XTC, PA-32R-301 (HP), PA-32R-301(SP), PA-32R-301T, PA-46-310P, PA-46-350P 70
Sikorsky 269C, 269C-1 70
Cessna 152, A152, 172N, 172P, 172Q, 172R, 172RG, 172S, F172N, F172P, FR172K, R172K, 182S, 182T, R182, T182, T182T, TR182, A188B, P210N, T303 58
Cirrus SR20, SR22, SR22T 58
CPAC, Inc. 114B, 114TC 58
Diamond DA 40, DA 42 58
Maule M-4-180V, M5-180C, M-5-235C, M-6-180, M-6-235, M-7-235, M-7-235A, M-7-235B, M-7-235C, M-7-260, M-7-260C, M-8-235, MT-7-235, MT-7-260, MX-7-160, MX-7-160C, MX-7-180, MX-7-180A, MX-7-180AC, MX-7-180B, MX-7-180C, MX-7-235, MXT-7-160, MXT-7-180, MXT-7-180A 58
Mooney M20J, M20K, M20L, M20M, M20R, M20S, M20TN 58
Piper PA-28-161, PA-28-181, PA-32-301FT, PA-32R-301(SP), PA-32R-301 (HP), PA-32R-30 1T, PA-32-310XTC, PA-46-350P 58
True Flight Holdings AA-5, AA-5A, AA-5B, AG-5B 58

Warranty Info

Warranty Information


  • Rate (Amps): 1 hr (C1) 10, 30 min (2C) 17, 60 sec/0 deg F (CCA) 150
    Model Weight Part No.

    24 Volt

    With Acid

    28 Lbs. (full)
    Electrolyte (3 Qts.)

    24 Volt

    W/O Acid

    28 Lbs. (full)
    Electrolyte (3 Qts.)
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Order was packed well and delivered timely.

John M
August 19, 2020

Great job for sure.

Bijan N
August 15, 2020

As promised. On time. Easy process.

May 4, 2020

Received quickly

Kamala S
February 26, 2020

Great battery OEM Cessna or Beech. I have never thought the very expensive Concordes are worth the extra money. The Gill batteries allow you to easily service them with water. The shelf life of a Gill before you put the acid in is basically forever so you can keep a spare but you have to boost charge the Concordes and so they are basically used when you install them. In our A36 Bonanza the battery is very easy to service since it is located on the right firewall in the engine compartment. All you need is a small ladder. The Concorde batteries have a slightly higher amp-hour capacity but this is meaningless in most applications since the big bore Continentals start right up so we seldom have to crank more than 3-4 seconds and if they dont something else is wrong. Go Gill!

Timothy Q
February 1, 2020

good product, easy ordering, quick delivery

Jeffrey S
November 21, 2019

Mine is 8 years old. Still running just fine. I service the battery twice a year. Distilled water in each cell + battery minder for a week.

Avery W
October 2, 2019

Competitive price, quick delivery

Greg M
August 29, 2019

Review is based on the ordering and shipping. Shipped and received very quickly! Hopefully with the price of an Airplane battery, it will last for a good five years or more. I do have and plan to keep mine on a battery tender.

December 30, 2018

I have used both Gill and Concord wet cell batteries since 1981. Plane is always hangared in Phoenix (hot!). No problems, and I usually get at least 5 years on each. I do use a battery tender. I just cant see spending even more money on a non-serviceable sealed battery that may not even last longer than a wet-cell. The batteries already cost way too much (as everything airplane!) so I plan to stick with this type. At half the price, they would be a good deal.

December 3, 2018


Q: When ordering the Gill G-243, we have an option for with acid or without acid. I do not have any acid, so do i need to order the battery with acid?

Yes, if you do not already have the electrolyte, we recommend buying the "With Acid" version since it will be shipped with the required amount of acid to use the battery.

Q: I need to replace my old g243s battery. I only see a g243 in your ad. What is the difference?

The difference between the G-243S and the G-243 is that the 243S was a sealed battery and the 243 is a wet battery that you will need to pour the electrolyte into. The G-243S was replaced with the Gill 7243-14 LT battery. See our Part # 11-13534 to order this battery.

Q: If I buy the Gill G-243 battery without acid, will it be shipped overseas as dangerous goods?

No, the battery without the acid is not considered dangerous goods for shipping.