04X0443 – Lenovo Laptop CMOS Battery – Genuine

This Lenovo Laptop CMOS Battery (04X0443) is a genuine part, specifically designed for Lenovo laptops. Known for ensuring the real-time clock and CMOS settings are maintained while the laptop is turned off or unpowered, this battery is essential for your device’s performance. Commonly referred to as an “RTC Battery” or simply a “CMOS Battery,” it plays a crucial role in holding data about your laptop’s system settings.

If you notice that your laptop is losing time or your system settings are resetting after a shutdown, this could indicate that your CMOS battery needs replacement. Replacing this battery is straightforward and can help keep your laptop’s performance stable.

Before purchasing, please check your laptop’s model number to ensure compatibility with the 04X0443 CMOS Battery.