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Gill 7407-28 Battery

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Part# 11-14426
MFR Model# 7407-28


  • The Gill 7407-28 is “Original Equipment (OEM) for the Bell 407GX and Bell 407 GXP
  • NO STC Hardware Required for 407 GX and 407 GXP.
  • 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
  • LT® Series Batteries Are Fully Recyclable
  • LT® Series Batteries Ship Hazmat Exempt
Start strong with the Gill® 7407-28. Original equipment for your Bell 407 Helicopters. See the application chart to locate your aircraft and review your battery options.

Model Voltage Amp Hours 30 Minute Capacity Battery Diagram PDF
7407-28 24 20 45 Download Full Battery Specification
California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm -

Application Guide

Manufacturer Model PMA SUP. #
Bell 407 72
Leonardo/Agusta S.p.A. AB139, AW139 78
Note: The data listed in this chart is intended as a suggested reference guide only. Some installations may vary and require airframe or battery box modification. Installations not shown on D.O.T. FAA/PMA listings will require field approval using FAA form 337 or FAA approved STC.

Warranty Info

Warranty Information


  • TSO Authorized, DO-160E Tested
  • 18 Month/1800 Hour Capacity Check Inspection
  • Industry-Leading 2 Year Warranty
  • Sealed, VRLA, Non-Spillable
  • Best Discharge and Recharge Efficiency in Lead-Acid Chemistry
  • Robust Starts
  • Best Shelf Life in Lead-Acid Chemistry

  • Frequently Purchased With
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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.

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