How long does cmos battery last. However, on average, a CMOS battery can last up to 5 years. Just wondering usually how long does CMOS battery last on a regular motherboard? I read that motherboard leakage current of about 3 - 6 micro ampere. 5 year old laptop, should I replace it? I also do not have any experience with soldering. The CMOS (Complementary Metal-Oxide-Semiconductor) battery is a crucial component in a PC, responsible for powering the motherboard’s real-time clock (RTC) and storing essential configuration settings, such as the date, time, and BIOS settings. Feb 17, 2025 · Statistics reveal that a CMOS battery typically lasts 2 to 10 years. This CMOS battery powers the chip, holding information about the system's configuration, such as the hard disk, date and time, etc. How Long a CMOS Battery Can Last? The lifespan of a CMOS battery can vary depending on various factors such as usage, temperature, and brand. I did a calculation below but I believe that i Mar 6, 2025 · A motherboard battery, commonly referred to as the CMOS battery, typically lasts between 3 to 5 years, depending on various factors. Aug 9, 2025 · CMOS Batteries: How Long Do They Really Last? In short, CMOS batteries typically last between 3 to 5 years. You can even get tips to improve battery lifespan. v23heg mok iyvx 6cjpwz yhz az4nv8 yr5 os2 z3aghqt yq7ybb