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Sony Quietly Revises PS5 Slim With Replaceable Battery and Updated Liquid‑Metal Cooling

The unannounced change adds a user‑serviceable CMOS battery to make repairs easier.

Overview

  • Multiple teardowns of a Wolverine Limited Edition unit published Oct. 1–2 show a September 2026 internal revision centered on a refreshed EDM‑051 motherboard.
  • The new board exposes an easily replaceable CR2032 CMOS battery so users and technicians can swap the clock battery without major disassembly.
  • Sony revised the liquid‑metal thermal interface to a design closer to the PS5 Pro and altered the heatsink to better contain liquid metal and lower overheating risk.
  • Other internal changes include a simplified layout and a newer, lower‑cost HDMI retimer, and the revised units reportedly shipped with older manuals and no formal Sony announcement.
  • Reporters and the teardown poster interpret the tweaks as targeted fixes to improve long‑term reliability and cut service needs, and the next step to watch is whether Sony issues official documentation or a public statement.