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Home / Electrical / Batteries / D Cell /Ultralife Lithium D Cell Battery U10029 - Ak-451 Replacement
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Ultralife Lithium D Cell Battery U10029 - Ak-451 Replacement

28 Reviews 7 Answered Questions
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Single Battery4 Battery Kit
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Overview

AK-451 Replacement Battery

3.3V 11.1Ah LiMn02 Non-rechargeable UHR-CR34610 Cell:

  • High energy density
  • No voltage delay
  • Wide operating temperature range
  • Lightweight
  • Long operating life
  • Cell is hermetically sealed Ni-plated steel can

Specifications

Product Type: Cylindrical, Non-Rechargeable, Cell
Chemistry: LiMnO2
Voltage (Nominal): 3.0 V
Capacity (Nominal): 11.1 Ah
Class 9: Yes
PTC (Re-settable Fuse): No
Operating Temperature: -40 to 72 °C
Storage Temperature: -40 to 95 °C

Benefits

Common Applications for the Ultralife Lithium D Cell Battery (U10029):
  • Emergency Locator Transmitters (ELT) devices
  • Consumer telematics
  • Commercial telematics
  • Search & rescue devices
  • Military communications, detectors & imaging
  • Medical devices

Documents

Reviews

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Works perfectly

Souther F Verified Purchase

Ak-451 Replacement 4 Pack Batteries
May 5, 2025

all right, thanks

Renato C Verified Purchase

Ak-451 Replacement 4 Pack Batteries
March 23, 2025

Older experation date.

Edgar M Verified Purchase

Ak-451 Replacement 4 Pack Batteries
March 15, 2025

Expensive but necessary. Surprisingly the expired ones still had plenty of voltage. New ones still have four years to expiration but were a year old since manufacture

James Z Verified Purchase

Ak-451 Replacement 4 Pack Batteries
October 8, 2024

Fits right, works well, 4 year validity.

Vine A Verified Purchase

Ak-451 Replacement 4 Pack Batteries
June 27, 2024

As described

David M Verified Purchase

Ak-451 Replacement 4 Pack Batteries
June 19, 2024

A quick delivery, with the batteries needed for my ELT

Jeff C Verified Purchase

Ultralife Lithium D Cell Battery U10029
April 11, 2024

Good product

Mike G Verified Purchase

Ultralife Lithium D Cell Battery U10029
February 20, 2024

Fresh batteries that last 5 years. Very grateful to Aircraft spruce for offering them!

Viatcheslav K Verified Purchase

Ak-451 Replacement 4 Pack Batteries
October 20, 2023

Washington P Verified Purchase

Ak-451 Replacement 4 Pack Batteries
July 24, 2023

Q&A

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Please note, Aircraft Spruce Canada'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 Canada 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: I have a 5 year old AK-451 in my home build plane. Purchased from Aircraft Spruce. How many batteries do I need to replace the existing batteries in it? I believe the U10029

The AK-451 takes 4 batteries, so to replace them all, we recommend ordering the 4 battery kit.

Q: Does this battery fit and is legal in an Ameriking ELT AK-451 for a certified aircraft?

This battery is not FAA TSO approved. It will fit the Ameriking ELT. Please check with your A&P or local aviation authority for eligibility of legal installation.

Q: Are these batteries hazmat for shipping internationally?

Yes, these are considered hazardous for air shipping.

Q: Do these batteries come with an expiration date sticker for the ELT?

Yes, the batteries have the manufacture date / month and expiration date / month on the sticker.

Q: Can you please provide the MSDS for this part?

We have added the MSDS to the web page. Please see the Documents section to download and review.

Q: Does these batteries come with Form 8130?

No, they do not come with 8130.

Q: What does an expiration date of 0113 mean on the Ultralife Lithium D Cell Battery U10029 - Ak-451 Replacement?

Month and year of manufacturer. So manufactured in January 2013. With 10 year shelf life, those would be expired.

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