Lenovo 5B10S34092 CMOS-paristo kaapelilla – 3V CR2032 litium-nappiparisto IdeaPad, ThinkPad, Yoga

Keep your Lenovo laptop's BIOS settings and system clock intact with this genuine 3V CR2032 lithium coin cell backup battery. Engineered for long-term reliability, it delivers a stable 220 mAh capacity and comes pre-wired with a 2-pin connector and 80 mm cable for straightforward internal installation.

Overview

The Lenovo 5B10S34092 is a field-replaceable CMOS battery designed to preserve critical system configuration data when your laptop is powered off or unplugged. It uses lithium manganese dioxide chemistry, offering a shelf life of up to 10 years and dependable performance across a wide operating temperature range from -20°C to 70°C. Whether you're servicing an IdeaPad, ThinkPad, or Yoga series notebook, this battery ensures your system boots correctly without date/time resets or BIOS errors.

What stands out

• Authentic Lenovo FRU part (5B10S34092) for guaranteed compatibility
• Pre-attached 2-pin JST-style connector and 80 mm cable for easy plug-in replacement
• Long 10-year shelf life reduces the need for frequent replacements
• RoHS compliant and built with reliable lithium manganese dioxide chemistry

Technical details

• Battery type: Lithium coin cell (CR2032)
• Nominal voltage: 3V
• Nominal capacity: 220 mAh
• Chemistry: Lithium manganese dioxide (LiMnO2)
• Connector: 2-pin (JST-style)
• Cable length: approx. 80 mm
• Application: CMOS/BIOS memory backup
• Operating temperature: -20°C to 70°C
• Installation: Internal (requires opening laptop chassis)
• Package contents: 1x CMOS battery with cable
• RoHS compliant: Yes

Our verdict

A must-have spare for IT technicians and DIY repair enthusiasts. This genuine Lenovo CMOS battery restores reliable BIOS memory backup and eliminates frustrating boot errors, all in a compact, ready-to-install package.