| 摘要 |
A wireless communication terminal includes a battery module, a monitor module, a battery-capacitance update module, and a display module. The monitor module detects a working state of the wireless communication terminal including idle and communication states, periodically detects and records a voltage of the battery module, calculates dynamic average voltages of the battery module in the idle and communication states, and subtracts the dynamic average voltages in the idle and communication states to calculate a dynamic voltage compensation of the battery module in the communication state. The battery-capacitance update module includes a timer, and detects a voltage of the battery module after the timer has timed out, compensates the detected voltage with the dynamic voltage compensation when in the communication state, and reads battery capacitance of the battery module according to the compensated voltage. The display module displays the battery capacitance.
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