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How long does CMOS battery (3V) on a motherboard last?

Fresh5 days ago
Mar 15, 202683227 views
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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. I did a calculation below but I believe that i may have missed something. What is the minimal voltage required for a motherboard's date/time function…

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Fix for: How long does CMOS battery (3V) on a motherboard last?

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Unfortunately, the number of variables involved is large: the standby current of the motherboard the actual capacity of the battery (every battery is a little different, and differences between manufacturers can significantly change run time) how lo…

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