Gill LT 7638-44 Battery

Add to Wishlist
Part# 11-05171
MFR Model# 7638-44


  • The Gill 7638-44 is a sealed lead acid battery upgrade" to the popular Gill G-6381E
  • Maintenance Free – Shipped Fully Charged and No Electrolyte or Water Required
  • Non-Spillable and Proven for Aerobatic Maneuvering
  • 2 Year Factory Warranty After Installation
  • Robust Starts, Higher Residual Power & Faster Re-Charge Times
  • First Capacity Check Not Required Until 18 Months/1800 Hours
  • Cost Competitive and Best Shelf Life in Lead Acid Chemistry
  • Advanced Valve Regulated Lead Acid (VRLA) Design
  • FAA/PMA Approved, TSO Authorized and Tested to DO-160E
  • LTŪ Series Batteries Are Fully Recyclable
  • LTŪ Series Batteries Ship Hazmat Exempt
Start strong with the GillŪ 7638-44 for your turbo prop and business jet applications. See the application chart to locate your aircraft and review your battery options.

Model Volts Amp Hours 30 Minute Capacity Battery Diagram PDF
7638-44 24 44 70 Download Full Battery Specification
California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm -


  • Improved Shelf Life - Best Shelf Life in Lead-Acid Chemistry
  • Lower Weight
  • Dependable
  • Durable
  • High Reliability through Engineered Proecessoes
  • Improved Energy Density
  • Best Discharge and Recharge Efficiency in Value-Regulated Lead-Acid
  • Robust Construction
  • Tested and Approved of to DO-160E
  • FAA/PMA Approved

Warranty Information

Warranty Information


Manufacturer Model PMA SUP. #
Airbus Helicopters Deutschland GmbH EC135, EC135P1, EC135P2, EC135P2+, EC135T1, EC135T2, EC135T2+ 74
Airbus Helicopters Deutschland GmbH MBB-BK117 C-2 75
ATR-GIE Avions de Transport Regional ATR42-200, ATR42-300, ATR42-320, ATR42-500, ATR72-101, ATR72-102, ATR72-201, ATR72-202, ATR72-211, ATR72-212, ATR72-212A 68
Beech 99, 99A, A99A, 100, 100A, A110A 23, 49
Beech C90, E90, B99, F90 23, 49
Beech 65-90, 65-A90, 65-A90-1(JU-21A, U-21A, RU-21A, RU-210, U-21G, RU-21H), 65-A90-4(RU-21E, RU-21H), A100, B100, 200, (A100-1 U-21), 200C, 200CT, 200T, A200 (C-12A) or (C-12C), A200CT(C-12D) or (FWC-12D) or (RC-12D) or (C-12F) or (RC-12G) or (RC-12H) or (RC-12K) or (RC-12P), B200, B200C, (C-12F) or (UC-12F) or (UC-12M) or (C-12R), B200CT, B200T, 300, B300, 300LW and B300C. 30, 49
Beech 65-90, 65-A90, 65-A90-1, (JU-21A, U-21A, RU-21A, RU-21D, U-21G, RU-21H), 65-A90-4(RU-21E, RU-21H), B90, C90, C90A, C90GT, C90GTi, E90, 99, A100 23, 49
Beech (Raytheon) DH.125 Series 400, HS.125 Series 600, HS.125 Series 700, BH.125 Series 600, BAe.125 Series 800 23, 49
Bell 204B, 205A, 205A-1 38
Bell 212, 222, 412, 412EP (w/ STC SH1186SO Installed) 49
Bell Helicopter 204B, 205A, 205A-1, 205B, 212, 222U, 412, 412EP (w/STC SH1186SO Installed) 49
Bombardier DHC-8-100 Series, DHC-8-200 Series, DHC-8-300 Series 54
Cessna 650 (w/ STC SA01203LA Installed) 49
Cessna 500, 501, 550, S550, 551, 560, 560XL, 525, 525A (w/ STC SA01203LA Installed) 49
Cessna 425 49
Cessna 208, 208A, 208B, 425, 441, 500, 501, S550, 551, 560, 560XL 49
Cessna 525/525A Series 49
Dassault Aviation Fan Jet Falcon Series C, D, E, F 49
Empresa Brasileira de Aeronautica S/A EMB-1 10P1, EMB-110P2 49
Gulfstream Aerospace G-159, G-1159 49
Hawker 1000 49
Hawker Beechcraft 1900C, 1900D 59
Israel Aircraft Industries 1121, 1121A , 1121B, 1123, 1124 49
Learjet 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D, 25F, 28, 29, 31, 31A, 35, 35A, 36A, 55, 55B, 55C, 60 49
Learjet Inc. 23, 24 Series, 25 Series, 28 Series, 29 Series, 31, 31A, 35 Series, 36 Series 13, 49
Lockheed-Georgia 1329-23A, -23D, -23E 49
Mitsubishi Heavy Industries MU-28, MU-28-10, -15, -20, -25, - 26, -26A, -30, - 35, -36, -36A, -40, -60 49
Pilatus PC-12, PC-12/45, PC-12/47, PC-47E Series (Dual Rear Mounted) 76
Piper PA-31T, - 31T1, -31T2, PA-42, and PA-42-720 Series 49
Piper Aircraft Corporation PA-31T, PA-31T1, PA-31T2, PA-42, PA-42-720 13, 49
Raytheon MU-300-10, -400, -400T 49
Raytheon (Beechcraft) 65-90, 65-A90, 65-A90-4, 65-A90-1,(JU-21A) or (U-21A) or (RU-21A) or (RU-21D) or (U-21G) or (RU-21H), (RU-21E) or (RU-21H), 890, 899, C90, E90, F90, 99, 99A, 100, A99, A99A, A100, A100(U-21F), A100A, 8100, 200, 200(A100-1(U-21J), 200C, 200CT, 200T, A200(C-12A) or (C-12C), A200CT(C-12D) or (FWC-12D) or (RC-12D) or (C-12F) or (RC-12G) or (RG-12H) or (RC-12K) or (RC-12P), 8200, B200C, (C-12F) or (UC-12F) or (UC-12M) or (C-12R), B200CT, 8200T, 300, 300LW, 8300, B300C, 400A S/N #RK-98 and after, MU-300-10, 400, 400T, Hawker 1000 23, 49
Rockwell Commander 690, 690A 13
Rockwell Int'l. NA-265 Series 13
Rockwell Int'l. Aero Commander 680T, 680V, 680W 38
Sabreliner NA-265, NA-265-20, -30, -40, -60, -65, -70, -80 23, 49
Sikorsky S-76A, S-76B, S-76C 23, 49
Socata Group Aerospatiale TBM-700 23, 49
Twin Commander Aircraft 680T, 680V, 680W, 690, 690A 23, 49
Leonardo/Agusta S.p.A. AB139, AW139 78


not the life of a wet battery

Cowboy A Verified Purchase


February 15, 2023


Yezitt H
November 4, 2020

Came in good time in good condition. Has good voltage. Have not used it much yet but have no indications of problems.

William M
October 7, 2018

These last 3 years or around300 starts in my MU2, I use battery minders. I wish a reasonable Li battery existed but this is what we have.

Robert C Verified Purchase


February 13, 2024

Going to try a Concord next time. These dont last like they used to...

James E Verified Purchase


March 11, 2023

the last two we purchased lasted just after the warranty period

Central A Verified Purchase


January 28, 2022


Please note,'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. 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 does the STC stand for on the Gill Battery 7638-44?

A supplemental type certificate (STC) is a national aviation authority-approved major modification or repair to an existing type certified aircraft, engine or propeller. As it adds to the existing type certificate, it is deemed "supplemental". In the United States issuance of such certificates is under the purview of the Federal Aviation Administration (FAA). Essentially it is an FAA Approved replacement part for type of certified aircraft.

Q: Is Gill battery 7638-44 compatible to concord RG380E/44 OR 44K?

Yes that is a good cross reference.

Q: Is this Gill LT 7638-44 considered Hazmat for air shipment ?

No, it is not considered DG.