Lenovo CMOS FRU for ThinkPad S531 20B0 (04Y1784)

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Description The Lenovo CMOS FRU 04Y1784 is a replacement motherboard battery assembly manufactured by Mitsubishi for the ThinkPad S531 20B0. It provides backup power to preserve BI OS settings when the main system battery is removed. This Level 2 Field Replaceable Unit installs directly into the S531’s CMOS socket. The assembly matches Lenovo’s OEM specifications for seamless system initialization. Key Features - CMOS backup battery assembly - Model FRU 04Y1784 - Manufacturer Mitsubishi - For ThinkPad S531 20B0 Specifications Brand: LENOVO Model Number: 04Y1784 Product Type: CMOS battery Compatibility: ThinkPad S531 20B0 Manufacturer: Mitsubishi Show more