Patent ID: 8716980

Claim:
An electronic device comprising: a secondary battery having at least one bare cell, the secondary battery comprising: a charge/discharge switching module comprising a charge switching device for placing the secondary battery in a charging state for charging the at least one bare cell and a discharge switching device for placing the secondary battery in a discharging state for discharging the at least one bare cell; and an analog front end for generating an analog signal based on information of the secondary battery and for transmitting the analog signal directly out of the secondary battery; and a processor external to the secondary battery for receiving the analog signal from the analog front end and for controlling the charge/discharge switching module to control the charging and discharging of the bare cell in accordance with the analog signal; wherein the information comprises voltage information of the at least one bare cell, and the analog signal is a signal representing the voltage information of the at least one bare cell scaled by the analog front end.