Abstract: An automotive battery charging system tester for testing the charging system of an automotive vehicle includes AC and DC voltage measurement circuits and a microprocessor controlled testing sequence. The microprocessor is used to perform a series of tests and to instruct an operator to perform steps associated with performing those tests. Through the application of various loads at various engine speeds, the tester is capable of identifying faults in the battery charging system including a bad battery, problems in the alternator or associated electronics, and problems in the starting system.

Abstract: Battery maintenance equipment is provided for use in maintaining storage batteries. The battery maintenance equipment includes battery maintenance circuitry. A redemption code output is provided and configured to provide an output having a redeemable value in response to the battery maintenance circuitry. A method includes outputting a redemption code in response to usage of battery maintenance equipment.

Abstract: Battery maintenance equipment is provided for use in maintaining storage batteries. The battery maintenance equipment includes battery maintenance circuitry. A redemption code output is provided and configured to provide an output having a redeemable value in response to the battery maintenance circuitry. A method includes outputting a redemption code in response to usage of battery maintenance equipment.

Abstract: Battery maintenance equipment is provided for use in maintaining storage batteries. The battery maintenance equipment includes battery maintenance circuitry. A redemption code output is provided and configured to provide an output having a redeemable value in response to the battery maintenance circuitry. A method includes outputting a redemption code in response to usage of battery maintenance equipment.

Abstract: Battery maintenance equipment is provided for use in maintaining storage batteries. The battery maintenance equipment includes battery maintenance circuitry. A redemption code output is provided and configured to provide an output having a redeemable value in response to the battery maintenance circuitry. A method includes outputting a redemption code in response to usage of battery maintenance equipment.

Abstract: An alternator tester includes an alternator output measurement circuit configured to measure an electrical output of an alternator. A microprocessor determines a alternator condition as a function of the electrical output. The microprocessor encrypts information and provides an encrypted output which is related to the alternator electrical output. A method includes outputting such encrypted data.

Abstract: An automotive battery charging system tester for testing the charging system of an automotive vehicle includes AC and DC voltage measurement circuits and a microprocessor controlled testing sequence. The microprocessor is used to perform a series of tests and to instruct an operator to perform steps associated with performing those tests. Through the application of various loads at various engine speeds, the tester is capable of identifying faults in the battery charging system including a bad battery, problems in the alternator or associated electronics, and problems in the starting system.

Abstract: An alternator tester includes an alternator output measurement circuit configured to measure an electrical output of an alternator. A microprocessor determines a alternator condition as a function of the electrical output. The microprocessor encrypts information and provides an encrypted output which is related to the alternator electrical output. A method includes outputting such encrypted data.

Abstract: An electronic battery tester for testing a storage battery includes first and second Kelvin connections configured to couple to the battery. A forcing function applies a time varying signal to the battery through the first and second Kelvin connections. Further, a resistive load is configured to couple across the first and second terminals of the battery and draw a relatively large current. The storage battery is tested as a function of a dynamic parameter measured through the first and second Kelvin connections and as a function of a response of the storage battery to the relatively large current drawn through the resistive load.

Abstract: An automotive vehicle electrical system tester includes a starter motor or charging system voltage measurement circuit configured to measure a voltage of an electrical system of a vehicle. A microprocessor is configured to diagnose the electrical system as a function of the measured voltage and responsively output the diagnosed condition on a display. The microprocessor is further configured to encrypt the diagnosed condition and responsively output encrypted information related to the condition.

Abstract: An electronic battery tester for testing a storage battery includes first and second Kelvin connections configured to couple to the battery. A forcing function applies a time varying signal to the battery through the first and second Kelvin connections. Further, a resistive load is configured to couple across the first and second terminals of the battery and draw a relatively large current. The storage battery is tested as a function of a dynamic parameter measured through the first and second Kelvin connections and as a function of a response of the storage battery to the relatively large current drawn through the resistive load.

Abstract: An automotive battery charging system tester for testing the charging system of an automotive vehicle includes AC and DC voltage measurement circuits and a microprocessor controlled testing sequence. The microprocessor is used to perform a series of tests and to instruct an operator to perform steps associated with performing those tests. Through the application of various loads at various engine speeds, the tester is capable of identifying faults in the battery charging system including a bad battery, problems in the alternator or associated electronics, and problems in the starting system.

Abstract: An apparatus for testing a storage battery includes battery test circuitry configured to perform a battery test on the storage battery. The battery test circuitry responsively provides a test result output related to a condition of the storage battery. A test count memory configured to store a test count and test count circuitry is configured to maintain a test count in response to an occurrence of a battery test performed by the battery test circuitry.

Abstract: A method and apparatus for testing JIS rated batteries is disclosed. A JIS battery type reference number is provided to a battery tester. Battery test information for the JIS rated battery is determined as a function of the JIS battery type reference number. The battery tester provides a battery test on the JIS rated battery using the determined battery test information. A battery tester output indicative of a condition of the JIS rated battery is provided based upon the test result.