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Sony Quietly Revises PS5 Slim to Add User-Replaceable CMOS Battery

Independent teardowns say the undocumented change improves repairability for owners.

Overview

  • Independent teardowns led by technician Modyfikator89 and reported by PlayStation LifeStyle, Wccftech and Android Headlines revealed a hardware revision to the PS5 Slim that shipped in September 2026.
  • The new Slim uses a user-removable CR2032 CMOS battery so owners can replace the small clock/BIOS battery without motherboard surgery, reducing a common future repair need.
  • Technicians found a refreshed EDM-051 motherboard with a simplified layout and a different heatsink and liquid-metal containment that follows the PS5 Pro approach to limit liquid-metal exposure to the APU.
  • Reporting also notes a changed HDMI retimer that appears aimed at cost or signal-path optimization, but that detail has less independent verification and the consoles were shipped with older manuals that do not document the battery update.
  • The revision builds on past Sony updates to address liquid-metal cooling failures and suggests Sony is refining thermal reliability and production efficiency to reduce future failures and service costs for owners.