923-05589 Apple iMac 24″ M1 2021 A2438 A2439 Battery Board Cable

Product Details:

Apple Part Number: 923-05589
Component Name: Battery Board Flex Cable

Compatible Models:

iMac 24″ M1 (2021) – Model A2438 (4-Port)
iMac 24″ M1 (2021) – Model A2439 (2-Port)
EMC Number: 3662

Technical Description:

The Battery Board Cable connects the internal CMOS/PRAM battery module (also referred to as RTC battery) to the logic board in the iMac 24″ M1 models. It helps maintain system time, settings, and hardware state memory when the device is powered off.

Key Features:

Precision OEM Flex Cable with gold-plated connectors
Stable RTC Functionality: Enables preservation of BIOS/firmware settings
Form-Fitted Routing: Tailored to match internal pathing of the M1 iMac design
High Signal Integrity: EMI-resistant construction for reliable low-voltage signal transmission
 

Installation Notes:

Professional installation recommended due to delicate connectors and tight internal tolerances
Installs between the logic board and the onboard battery cell
No configuration or pairing required after installation
 

Compatible with both:

A2438 (iMac 24″ M1 2021 – 4-Port version)
A2439 (iMac 24″ M1 2021 – 2-Port version)