Patent ID: 6344731
Filing Date: 2002-02-05
Classification: H02J

Abstract:
A battery gauging device, comprising:a charger to convert an AC voltage to a DC voltage, and to output the converted DC voltage; a battery pack including a battery coupled to receive an electric charge from the charger, a first switch to switch on/off the DC voltage from the charger, and a second switch coupled to receive a battery charge enable (BCE) signal and configured to switch on/off in accordance with a state of the BCE signal to interrupt the battery charging and discharge the charged capacity of the battery for a prescribed period of time; and a telecommunication terminal having a battery gauging section configured to measure a level of charge of the battery pack, and a microprocessor coupled to provide the BCE signal to the second switch, wherein the telecommunication terminal is configured to display the measured value of the battery charge on a display section of the telecommunication terminal.