Electronic battery tester
First Claim
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1. An electronic battery tester for testing a storage battery, comprising:
- a first pair of connectors configured to couple to a positive terminal of the battery;
a second pair of connectors to couple to a negative terminal of the battery, the first and second pairs of connectors forming a Kelvin connection with the battery;
a non-volatile memory storing a fixed battery rating reference value;
a microprocessor configured to test the battery through the Kelvin connection and based upon the fixed battery rating reference value stored in the memory, the microprocessor configured to provide an output based upon a measured dynamic parameter and the stored fixed battery rating reference value.
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Abstract
An electronic battery tester includes a calibration interface. A microprocessor is configured to calibrate the battery tester by coupling to a calibrator through the calibration interface.
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Citations
33 Claims
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1. An electronic battery tester for testing a storage battery, comprising:
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a first pair of connectors configured to couple to a positive terminal of the battery;
a second pair of connectors to couple to a negative terminal of the battery, the first and second pairs of connectors forming a Kelvin connection with the battery;
a non-volatile memory storing a fixed battery rating reference value;
a microprocessor configured to test the battery through the Kelvin connection and based upon the fixed battery rating reference value stored in the memory, the microprocessor configured to provide an output based upon a measured dynamic parameter and the stored fixed battery rating reference value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. An electronic battery tester for testing a storage battery, comprising:
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a first pair of connectors configured to couple to a positive terminal of the battery;
a second pair of connectors configured to couple to a negative terminal of the battery, the first and second pairs of connectors forming a Kelvin connection with the battery;
a memory;
a microprocessor configured to test the battery through the Kelvin connection based upon a reference;
a visual output configured to display a result of the battery test, the visual output including an LED and wherein a first test result is indicated with the LED on and a second test result is indicated with the LED off. - View Dependent Claims (20, 21, 22, 23)
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24. An electronic battery tester for testing a storage battery, comprising:
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a first pair of connectors configured to couple to a positive terminal of the battery;
a second pair of connectors configured to couple to a negative terminal of the battery, the first and second pairs of connectors forming a Kelvin connection with the battery;
a memory;
a microprocessor configured to test the battery through the Kelvin connection based upon a reference;
a visual output configured to display a result of the battery test, the visual output including an LED and wherein a first test result is indicated by displaying a first color on the LED and a second test result is indicated by displaying a second color on the LED. - View Dependent Claims (25, 26, 27, 28)
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29. An electronic battery tester for testing a storage battery, comprising;
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a first pair of connectors configured to couple to a positive terminal of the battery;
a second pair of connectors configured to couple to a negative terminal of the battery, the first and second pairs of connectors forming a Kelvin connection with the battery;
a memory;
a microprocessor configured to test the battery through the Kelvin connection based upon a battery rating and selectively test a charging voltage of a battery charger; and
a user input configured to select from a battery test and a charging voltage test. - View Dependent Claims (30)
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31. An electronic battery tester for testing a storage battery, comprising:
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a first pair of connectors configured to couple to a positive terminal of the battery;
a second pair of connectors configured to couple to a negative terminal of the battery, the first and second pairs of connectors forming a Kelvin connection with the battery;
a memory;
a calibration interface configured to provide a calibrator control output to a calibrator;
a microprocessor configured to test the battery through the Kelvin connection in the memory, wherein the microprocessor is placed in a programming mode which can be entered during power-up of the battery tester.
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32. An electronic battery tester for testing a storage battery, comprising;
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a first pair of connectors configured to couple to a positive terminal of the battery;
a second pair of connector configured to couple to a negative terminal of the battery, the first and second pairs of connectors forming a Kelvin connection with the battery;
a non-volatile memory;
a microprocessor configured to test the battery through the Kelvin connection based upon an industry standard battery rating; and
wherein measured voltage extremes are stored in the memory for subsequent recovery. - View Dependent Claims (33)
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Specification