Lenovo CMOS RTC Battery CR2032 3V 220mAh with Cable for ThinkPad P15 Gen 2, P17 Gen 2, T15g Gen 2, T15p Gen 2, P1 Gen 4, X1 Extreme Gen 4 (5B10S34082)

When your ThinkPad starts forgetting the date and time or displays CMOS checksum errors on boot, the culprit is often a dead RTC battery. This genuine Lenovo CMOS battery (part number 5B10S34082) restores reliable real-time clock and BIOS settings retention, eliminating those frustrating startup interruptions.

Who is it for

This component is intended for IT technicians, system administrators, and advanced users who need to replace the CMOS battery in compatible Lenovo ThinkPad mobile workstations. It is a genuine OEM part, ensuring a perfect fit and long service life.

Main features

• Genuine Lenovo OEM part (5B10S34082)
• CR2032 lithium manganese dioxide cell, 3V nominal voltage, 220mAh typical capacity
• Integrated 2-pin motherboard connector with cable for easy installation
• Maintains system date, time, and BIOS settings when the laptop is powered off
• Compatible with ThinkPad P15 Gen 2, P17 Gen 2, T15g Gen 2, T15p Gen 2, P1 Gen 4, and X1 Extreme Gen 4

Specifications

• Brand: Lenovo
• Model: 5B10S34082
• MPN: 5B10S34082
• EAN: 5715063025901
• Product type: CMOS RTC battery
• Battery cell type: CR2032
• Battery chemistry: Lithium manganese dioxide (LiMnO2)
• Nominal voltage: 3V
• Typical capacity: 220 mAh
• Connector type: 2-pin motherboard connector
• Cable: Integrated
• Function: Real-time clock (RTC) and CMOS memory power
• Application: Laptop internal component
• Installation: Internal, requires opening device
• Original part: Yes (OEM)
• Compatibility: Lenovo ThinkPad P15 Gen 2, P17 Gen 2, T15g Gen 2, T15p Gen 2, P1 Gen 4, X1 Extreme Gen 4

Tips

Before installation, disconnect the laptop from power and remove the battery. Handle the new CMOS battery by its edges to avoid static discharge. After replacement, you may need to reset the date and time in BIOS. Always verify compatibility with your exact ThinkPad model before ordering.