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Concorde RG-442 Aircraft Battery

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Part# 11-11735
MFR Model# RG-442


The RG-442 is a Concorde Platinum Series Aircraft Battery. The Platinum Series is comprised of premium hand made AGM Aircraft Batteries with excess power for many applications.

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  • The RG-442 is a sealed, valve regulated lead acid starting aircraft battery with TS-C4 Temperature Sensor approved to Parts Manufacturing; Approved to replace the original nickel cadmium battery. The RG-442 is form, fit, and functionally interchangeable with the existing battery without onboard modification.
  • As a direct lead acid replacement for the nickel cadmium battery, the Concorde RG-442 valve regulated battery greatly improves battery performance over nickel cadmium types in cold weather climates.
  • The Concorde RG-442 battery will save maintenance costs. The first maintenance (capacity) check is performed at 12 months or 600 hours, and subsequent checks at 4 months or 200 hours, until the battery reaches the minimum capacity of 85%. Once the battery’s airworthiness performance service time is established, the Concorde replacement battery can be operated for that total time free of maintenance checks.


  • Primary Aircraft Purpose: Turbine Starting Aircraft Battery
  • Voltage: 24v
  • Rated Capacity C1 = 1 hr. rate in ampere hours: 44.00
  • Max Weight: 86.00 lb / 39.0 kg



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.