Tinkercom
A CR2032 3V lithium coin cell battery used to power the CMOS chip on motherboards, which retains BIOS settings and the system clock when the computer is powered off.
CMOS/BIOS Power: Maintains BIOS settings and real-time clock when system is off
CR2032 Standard: Industry-standard 3V lithium coin cell
Long Shelf Life: Typically lasts 2–10 years depending on usage
Drop-In Replacement: Easily slots into the motherboard's CMOS battery holder