Lenovo CMOS Battery 5B10S34063 - 3V CR2032 Lithium Coin Cell with 2-Pin Connector

Unlike generic coin cells that require soldering or awkward holders, this Lenovo CMOS battery arrives ready to connect with its 2-pin lead and short cable, making replacement in compatible laptops straightforward. It keeps the real-time clock running and preserves BIOS settings when the machine is powered off.

Highlights

• 3V CR2032 lithium manganese dioxide coin cell
• 2-pin connector with short cable for direct motherboard connection
• Non-rechargeable primary cell with long shelf life
• Maintains RTC and BIOS settings for years

In daily use

When your laptop starts losing time or forgets BIOS settings after shutdown, this battery is the likely fix. Its compact 20 mm diameter and 3.2 mm thickness fit the standard coin cell socket, while the attached cable plugs into the dedicated header on the motherboard. No soldering, no adapters.

Full specifications

• Battery type: CMOS / RTC battery
• Cell type: CR2032 lithium coin cell
• Voltage: 3 V
• Chemistry: Lithium manganese dioxide (LiMnO2)
• Rechargeable: No
• Connector: 2-pin
• Cable length: 5–10 cm
• Diameter: 20 mm
• Thickness: 3.2 mm
• Operating temperature: -20 °C to 70 °C
• Storage temperature: -30 °C to 85 °C
• Manufacturer part number: 5B10S34063

Final note

Verify compatibility with your specific Lenovo model before ordering, as connector orientation and cable length may vary between laptop series.