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Home / Avionics / Batteries / ELT /Gs-21 Replacement Battery Pack
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Gs-21 Replacement Battery Pack

16 Reviews 3 Answered Questions
$79.77/Each
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Part# 11-04771
MFR Model# GS21

Overview

The GS-21 and GS-52 are 9 volt alkaline battery packs. New brand name cells are first tab-welded together and then entirely encapsulated in non-hazardous epoxy. The potting material is added through a portion-controlled pouring process and totally covers the bottom, top, sides, and spaces between the individual cells, virtually eliminating failure-causing air bubbles. All batteries must meet our rigid quality control standards. They are hand inspected for air bubbles in the poured potting material. Finished batteries must pass through a size gauge measuring width, height and depth. They are further tested for proper voltage and visually inspected by the QC department.

Specifications

  • Weight: .5lbs
  • Size: 2-1/8" W x 3-3/8" H x 5/8" D
  • Type Alkaline Manganese
  • Voltage: 9.0 Volts

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Reviews

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William H Verified Purchase

GS21 ELT BATTERY
December 22, 2021

good

Certified A Verified Purchase

GS21 ELT BATTERY
October 23, 2021

Thank you Aircraft Spruce for continuing to support this ELT.

Bart C Verified Purchase

GS21 ELT BATTERY
October 12, 2021

Works as advertised

Mike P Verified Purchase

GS21 ELT BATTERY
August 19, 2021

Shipped on time next day !!

Burt S Verified Purchase

GS21 ELT BATTERY
June 30, 2021

Good Job, ACS Shipped only current battery when it was available.

Michael D
March 2, 2019

Good quality, lasts as expected

Roy S
September 17, 2018

Works fine....old one was fine too but two years old so replaced.

Duane J
August 22, 2018

Item as advertised. Easy to install by owner. Just use the supplied twist on cable connectors.

Dirk S
February 28, 2018

Never had any problems with this battery packs.

Karl
February 9, 2018

Q&A

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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.

Q: Is this the correct replacement battery pack to fit an Emergency Beacon Corp, Model EBC-102A ?

Yes, this is the correct replacement battery for the EBC-102A ELT.

Q: Does this GS-21 battery come with certification?

The ELT battery is TSO'd. Manufacturer C of Cs must be requested at the time of order.

Q: What is the difference between this and the MERL BP-1045? If they are both acceptable for the EBC-102A, do they both have the same life limit time?

Part # 11-17925 (BP-1045) is a battery made for the EBC-102A as well as other ELT's whereas the GS-21 p/n:11-04771 was made specifically for EBC ELTs

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