| 摘要 |
A method and apparatus for performing compensation to adjust a battery voltage level output in a portable terminal without incorporating a dedicated battery gauge integrated circuit may include: calculating a color rate of an image when the image is output on an active matrix organic light-emitting diode (AMOLED), determining a current battery voltage value, performing compensation to adjust a battery voltage value based on the color rate of the image and the current battery voltage value, and displaying a battery residual quantity icon indicating a residual quantity of a battery based on the adjusted battery voltage value.
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