The motherboard battery is used to record the time of the computer system, that is, to maintain the accuracy of the system clock. When the power is not enough, the time will return to the factory date, as well as the hardware information used to record the startup, that is, to maintain the CMOS BIOS information.
Now ordinary PC motherboard batteries are generally CR2032, which can not be charged during the process we use. It is a misunderstanding to think that the motherboard battery is rechargeable. The packaging or battery body of the CR2032 indicates that the lithium battery or LITHIUM refers to a lithium compound battery, not a lithium ion battery, and the latter can be charged.
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