Abstract: A storage battery is provided which has a first and second post for electrically coupling to an electrical system. A test plug is provided for use in coupling the storage battery to an electronic battery tester. In another aspect, a battery tester is provided having a plug configured to couple to a test plug of a storage battery for use in performing an electronic battery test on the storage battery.

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 automotive vehicle electrical system tester is provided for testing an electrical system having wiring which couple a load to a battery. The automotive vehicle electrical system tester is configured to measure an electrical parameter of the wiring and includes a first battery terminal connection configured to couple to a first terminal of the battery. A test connection is configured to couple to a wire of the electrical system which extends between the first terminal of the battery and the load. Test circuitry coupled to the first battery terminal connection and the test connection is configured to draw current from the battery along a path through the wire and to the test connection. The test circuitry measures an electrical parameter of the wire.

Abstract: A method of repairing a used battery pack from an electric vehicle include removing the battery pack from the vehicle. Battery tests are performed on at least some of the plurality of batteries and a battery test result for each of the batteries tested are obtained and stored in a database. A plurality of replacement batteries are tested and test results for each of the replacement batteries are stored in the database. The battery test results from the database are retrieved and used to create a refurbished battery pack. An apparatus includes a database for storing test results.

Abstract: A method that includes affixing a radio frequency identification tag on a storage battery at a battery manufacturing plant. The method also includes storing battery manufacturing information into the radio frequency identification tag at the battery manufacturing plant. The battery manufacturing information includes a battery algorithm suitable for use in testing the storage battery.

Abstract: An apparatus for measuring electrical parameters for an electrical system measures a first and second parameters of the electrical system between connections to the electrical system. A processor determines a third electrical parameter of the electrical system as a function of the first parameter and the second parameter. Wireless communication is provided between components of the apparatus.

Abstract: An apparatus and a method of monitoring a battery in an automotive vehicle are provided. An output is provided which can be a relative output as a function of minimum and maximum parameters of the battery.

Abstract: A battery maintenance device configured to maintain a storage battery. An electrical connection couples the battery maintenance device to the storage battery. Maintenance circuitry couples to the battery through the electrical connection and performs maintenance on the battery. The maintenance circuitry includes an electrical load configured to draw an electrical current from the battery. The electrical current causes the electrical load to heat. A phase change material is thermally coupled to the load. The phase change material has a specific heat index which has a non-linear relationship to temperature to thereby reduce a rate of change in temperature of the electrical load.

Abstract: A method and apparatus for repairing or testing a used battery pack from an electric vehicle include removing the battery pack from the vehicle. Battery tests are performed on at least some of the plurality of batteries and battery test results for each of the batteries tested are obtained. A cradle is configured to receive at least two different types of batteries. The cradle includes connectors to electrically couple circuitry of a battery tester to the battery.

Abstract: An electronic battery tester for testing a storage battery including electrical connectors configured to couple to the storage battery. Measurement circuitry is coupled to the electrical connectors and a display is configured to display information to an operator. A manual input is configured to receive an input from a user. A microprocessor is coupled to the measurement circuitry and is configured to perform a battery test on the storage battery as a function of a battery parameter measured with the measurement circuitry. The microprocessor is configured to display characters and receive a character select input from the manual input which identifies one character of a plurality of characters displayed on the display. In another aspect, a forcing function is coupled to the battery and has first and second selectable frequencies. The microprocessor is configured to select between the first frequency and the second frequency.

Abstract: A vehicle electrical system tester for testing the electrical system of a vehicle is provided. The electrical system has a wiring harness which extends between components of the vehicle and includes a plurality of wires. The vehicle electrical system tester is configured to measure an electrical parameter of at least one of the plurality of wires through a first connection to coupled to a first end of the at least one of the plurality of wires and a second connection coupled to a second end of the at least one of the plurality of wires. An electrical signal is applied between the first and second ends of the at least one of the plurality of wires and the electrical parameter of the at least one of the plurality of wires is responsively measured.

Abstract: An electronic battery tester for testing a storage battery, includes connections configured to couple to terminals of the battery. Measurement circuitry is coupled to the connections and configured to measure a parameter of the battery. An input is configured to receive a battery age input variable. Computation circuitry is configured to provide a test output related to a condition of the battery based upon the measured parameter and the battery age input variable.

Abstract: A battery monitoring device configured to monitor a storage battery. The battery monitoring device includes Kelvin connectors configured to couple to the terminals of the storage battery. The battery monitoring device is configured to receive data from a second battery monitoring device. Further, the battery monitoring device is configured to measure a parameter of the storage battery. The measured parameter and the data received from the second battery monitoring device are communicated to a receiving station.

Abstract: A cable for connecting to an electronic battery tester, includes a first end configured to couple to a databus of a vehicle and a second end configured to couple to the electronic battery tester. An electrical connection extends between the first end and the second end and is configured to couple the electronic battery tester to the databus of the vehicle.

Abstract: An apparatus and a method of monitoring a battery in an automotive vehicle are provided. An output is provided which can be a relative output as a function of minimum and maximum parameters of the battery.

Abstract: A battery maintenance tool, which electrically couples to a battery, includes a maintenance tool housing and electronic circuitry within the maintenance tool housing. A cable, substantially external to the maintenance tool housing includes a plurality of conductors. At least some conductors of the plurality conductors are configured to electrically couple to the electronic circuitry within the maintenance tool housing. At least one probe light that is configured to electrically couple to at least two of the plurality of conductors in the cable is also included. The probe light, which is separate from the maintenance tool housing, receives power via the at least two of the plurality of conductors to which it is electrically coupled.

Abstract: A clamp that is capable of attaching to a battery post and also to a female receptacle terminal. The clamp includes a post-grasping portion that is capable of attaching to the battery post. The clamp also includes a male plug feature that is configured to fit into a female receptacle terminal.

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 electronic battery tester for testing a storage battery includes test circuitry configured to provide an output based upon a selected test criteria. Additionally, circuitry is provided to assist in balancing batteries used in a string of multiple batteries.