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Gill G-25 Battery

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Overview

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

Beech 19, 23, 24, 55, 58, 77
Beechcraft 19A, B19, 23, A23, A23A, B23, C23, A24, A24R, B24R, C24R, E33, E33A, E33C, F33. G33, 35-33, 35-A33, 35-B33, 35-C33, 35-C33A, D55, D55A, E55, E55A, 58, 58A, 58P, 58TC, G58, 77, 95, B95, B95A, D95A, E95, 95-55, 95-A55, 95-B55, 95-C55, 95-C55A
Cessna 120, 140, 150, 150A, 150B, 150C, 150D, 150E, 150F, 150G, 150H, 150J, 150K, 150L, 150M, A150K, A150L, A150M, 170, 172, 172B, 172C, 172D, 172E, 172F (USAF T-41A), 172G, 172H (USAF T-41A), 172I, 172K, 172L, 172M, 172 N, F172D, F172E, F172F, F172G, F172 H, F172K, F172L, F172M, F172N, 175, 175B, 175C, P172D, 177, 177A, 177B, 188, 188A, 188B, T188C, 310, 310B, 310C, 310D, 310F, 310G, 310H, E310H, 310I, 310J, 310J-1, E310J, 310K, 310P, 310Q, 320, 340 Commander, 112, 112TC, 112B, 112TCA
Piper: PA-60-600, (Aerostar 601) PA-60-601, (Aerostar 601P) PA-60-601P, (Aerostar 602P) PA-60-602P
Piper: PA-11, PA-36-285, PA-36-300, PA-36-375, PA-38-112, PA-46-350P
Piper: PA-11, PA-22-108, PA-22-135, PA-22-150, PA-22-160, PA-23-235, PA-23-250, PA-28-140, PA-28-150, PA-28-151, PA-28-160, PA-28-161, PA-28-180, PA-28-181, PA-28-201T, PA-28-235, PA-28-236, PA-28R-180, PA-28R-200, PA-28RT-201, PA-28RT-201T, PA- 32-260, PA-32-300, PA-32R-300, PA-32RT-300, PA-32RT-300T, PA-36-285, PA-36-300, PA-36-375, PA-38-112
Socata, S.A.: GA- 7
True Flight: AA-1, AA-1A, AA- 1B, AA-1C, AA-5, AA-5A, AA-5B

Warranty Info

Warranty Information

Specifications

  • Rate (Amps): 1 hr (C1) 18, 30 min (2C) 30, 60 sec/0 deg F (CCA) 225
    Model
    Weight
    Part No.

    G-25
    12 Volt
    With Acid

    21 Lbs. (full)
    Electrolyte (2 Qts.)
    11-01833

    G-25
    12 Volt
    W/O Acid

    21 Lbs. (full)
    Electrolyte (2 Qts.)
    11-01673

Drawing

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Reviews

Prompt shipping and arrived as expected

Paul L Verified Purchase

GILL BATTERY G-25 W/O ACID

November 20, 2022

Promt shipping and arrived as expected.

Paul L Verified Purchase

GILL BATTERY G-25 W/O ACID

November 20, 2022

Product arrived very quickly and with free shipping, including acid from separate source. Outstanding service!

Donald B Verified Purchase

GILL BATTERY G-25 W/O ACID

November 15, 2022

After proper service it works as advertised.

School B Verified Purchase

GILL BATTERY G-25 W/ACID

July 28, 2022

delivered on time, no issues

Michael H Verified Purchase

GILL BATTERY G-25 W/O ACID

July 5, 2022

Very prompt delivery.

Ric D Verified Purchase

GILL BATTERY G-25 W/O ACID

May 3, 2022

Bought G25 7 years ago. Looking like I may not get an 8th year out of it. Had to do a power charge (steady 6 amps for 4 hours) last year but it did give me that 7th year. Good battery.

Dale M
March 25, 2022

Battery was easy to install once I found some electrolyte. I do not think Aircraft Spruce should ship the G25 battery and not be able to supply the required electrolyte.

Steve S Verified Purchase

GILL BATTERY G-25 W/O ACID

February 10, 2022

2 yr bat, don’t last longer for me

David L Verified Purchase

GILL BATTERY G-25 W/ACID

February 2, 2022

Just as described ... and works great.

John L Verified Purchase

GILL BATTERY G-25 W/ACID

January 25, 2022

Q&A

Please note, Pilotshop'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. Pilotshop 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: What's the advantage of ordering with acid versus without acid?

The battery requires acid. The only reason to order without the acid would be if you already have electrolyte that you can use to fill the battery.

Q: Does free shipping apply to the version "with acid"?

Yes, this battery will qualify for free ground shipping to the lower 48 USA with or without acid.

Q: Will I need to charge the battery, or can I just install it and go?

Gill recommends that you fill it, charge it, and then use it. If it is absolutely necessary, you can pour the acid in, wait an hour, and use it but it will hurt the longevity of the battery.

Q: Hello, I put the G-25 with acid in my shopping cart and I see it says free shipping and I see in a question, someone asked if this is eligible for free shipping and you said it is, but in my shopping cart the battery is flagged with a Hazardous symbol. Is there a shipping charge for the hazardous material? Thank you.

No, these are not considered hazardous for ground shipping in the USA. These do qualify for free ground shipping and you will not incur an additional hazardous charge if you select the free ground method.

Q: I ordered a Gill g25. My question is what type battery is this considered for charging purposes. I have battery type on my charger as Regular/AGM (Absorbed glass mat) or GEL?

It's a Dry-Charged Lead Acid Battery.

Q: What is th weight of the standard Gill G-25 serviced and charged?

Approx 21 lbs filled.

Q: My battery is nearing the end of its life. Is there any harm in ordering the replacement and just keeping it in storage, without the acid, until I’m ready to put it in sevice?

No, without the acid the battery can be safely stored without risk of deterioration.

Q: Your Application Guide for the Gill G-25 Battery does not list the 172A, or I would have bought it here. Why does it not fit the 172A?

That is an oversight in the app data. This should fit the 172A fine.