04W6920 - Lenovo Laptop CMOS RTC Battery - Genuine

This CMOS RTC Battery (04W6920) is a genuine Lenovo part designed for Lenovo laptops. Compatible with Lenovo brand laptops, this battery is also known as a "RTC (Real-Time Clock) Battery." As the power source for the real-time clock system, it maintains system time and settings when the laptop is powered off. Symptoms indicating the need to replace the CMOS RTC Battery include incorrect date and time settings upon startup, receiving error messages related to the BIOS settings, or the laptop having trouble saving BIOS settings between shutdowns and startups. Before purchasing, kindly verify your laptop's model number to ensure compatibility with this part.

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