Patent ID: 8667610

Claim:
A portable computer, comprising: a charge integrated circuit (IC); a south bridge chip; a basic input/output system (BIOS) and embedded controller (EC), wherein after the portable computer is connected to a battery, the BIOS and EC control the south bridge chip to read a sealed security (SS) bit of the battery and check whether the sealed security bit equals a default value to confirm that a security seal of the battery is sealed such that original battery data of the battery will not be changed, and if the sealed security bit equals the default value, then the BIOS and EC control the south bridge chip to read battery data of the battery, and control the charge IC via the south bridge chip to charge the battery according to the battery data, if the sealed security bit does not equal the default value, then the BIOS and EC controls the south bridge chip to reduce a working frequency of a central processing unit (CPU) used for controlling the south bridge chip and a north bridge chip; a north bridge chip; and a central processing unit (CPU) used for controlling the south bridge chip and the north bridge chip; wherein the battery data includes static data and dynamic data, the static data include manufacture and device information, and the dynamic data include relative state of charge (RSOC) and battery status.