Description
A CMOS battery powers the motherboard’s BIOS chip, preserving system time, hardware configurations, and BIOS settings when the computer is unplugged. This 3 V lithium cell — typically a CR2032 or equivalent — is compatible with most desktop and laptop motherboards from Dell, HP, Lenovo, Asus, Acer, and similar brands. The lithium construction is leak-proof and corrosion-resistant, and replacement requires no tools: remove the old cell, insert the new one in the designated socket, and settings are retained.
- Type: Lithium (CR2032 or equivalent)
- Voltage: 3 V DC
- Function: Retains BIOS settings and system clock
- Compatibility: Most desktop and laptop motherboards
- Safety: Leak-proof, corrosion-resistant
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