IBM CMOS Battery CR2032 02K6572 BIOS RTC Backup for ThinkPad Notebooks

Maintain Your IBM ThinkPad's System Settings

A functioning CMOS battery is essential for powering your motherboard's clock and retaining BIOS settings even when the device is disconnected from power. Without a healthy CMOS battery, your IBM ThinkPad may display error messages related to the system battery, CMOS checksum, system timer, or real-time clock, requiring you to reset the date and time settings.

Before ordering, please verify the part number of your existing CMOS battery to ensure compatibility.

Compatible Error Messages:

• ERROR 0250: System Battery Error
• ERROR 0251: System CMOS Checksum Bad
• ERROR 0260: System Timer Error
• ERROR 0270: Real-Time Clock Error
• ERROR 0271: Check Date & Time Settings

Specifications:

• IBM FRU P/N: 02K6572
• IBM P/N: 02K6541
• Battery Type: Panasonic CR2032 (Lithium Manganese Dioxide)
• Voltage: 3V
• Battery Dimensions: 20.3mm (Diameter) x 3.6mm (Height)
• Connector Dimensions (without collar): 3.5mm (Length) x 3.5mm (Width) x 2.5mm (Height)
• Connector Dimensions (with collar): 4mm (Length) x 4.3mm (Width) x 3.2mm (Height)
• Weight: 4g
• Condition: New Original Product with current manufacturing date for extended operational life.