Lenovo 1-cell 3V lithium battery for ThinkPad (5B11Q26224)

This Lenovo CMOS battery keeps your ThinkPad's real-time clock and BIOS settings alive when the main battery is removed or discharged. Unlike generic coin cells, it arrives with the correct 2-pin connector and short cable already attached, so installation is plug-and-play.

Highlights

• 3V lithium manganese dioxide chemistry for stable, long-term power
• Non-rechargeable single cell, equivalent to a CR2032 with cable
• Pre-fitted 2-pin JST-style connector, approx. 60 mm cable
• Field replaceable unit (FRU) part number 5B11Q26224

In daily use

When your ThinkPad starts losing date and time settings or shows CMOS checksum errors, this battery restores reliable startup behavior. It is designed for low-drain RTC applications and has a shelf life of up to 10 years, so you can keep a spare on hand without worry.

Full specifications

• Battery chemistry: Lithium Manganese Dioxide (Li-MnO2)
• Nominal voltage: 3 V
• Nominal capacity: 220 mAh
• Number of cells: 1
• Rechargeability: Non-rechargeable
• Connector type: 2-pin (JST-style)
• Cable length: approx. 60 mm
• Cell diameter: 20 mm
• Cell thickness: 3.2 mm
• Operating temperature range: -20°C to 60°C
• Shelf life: up to 10 years
• Equivalent cell type: CR2032 (with cable/connector)

Final note

A direct replacement for Lenovo ThinkPad CMOS batteries, identified by FRU 5B11Q26224.