Patent ID: 8242749
Filing Date: 2012-08-14
Classification: G01R

Abstract:
1. A battery testing apparatus, comprising: a charge circuit coupled to a direct current (DC) adapter, the DC adapter to charge a battery through the charge circuit; a discharge circuit to discharge the battery; a computer to record charge/discharge time and charge/discharge cycles of the battery, and to calculate capacity and cycle life of the battery according to the time and cycles of charge and discharge; and a control circuit comprising an input terminal coupled to the computer, and a plurality of output terminals respectively coupled to the charge circuit and the discharge circuit, wherein the control circuit controls the charge and discharge circuits charging and discharging the battery; wherein the control circuit comprises a single chip microcomputer (SCM) and a relay, the SCM comprises an input terminal, a first output terminal, a second output terminal, a third output terminal, and a fourth output terminal, the input terminal of the SCM acting as the input terminal of the control circuit is coupled to the computer, the first and second output terminals acting as the output terminals of the control circuit are coupled to the charge circuit, the third output terminal acting as the output terminal of the control circuit is coupled to the discharge circuit, the fourth output terminal of the SCM is grounded via the relay.