Electronic battery tester with internal battery
First Claim
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1. An electronic battery tester for testing a storage battery, comprising:
- storage battery test circuitry having test connections configured to test a battery, the storage battery test circuitry configured to receive power through a power input;
an internal battery configured to provide power to the power input of the storage battery test circuitry; and
a switch configured to selectively couple test connections of the storage battery test circuitry to the internal battery to thereby configure the test circuitry to test the internal battery.
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Abstract
An electronic battery tester for testing a storage battery include storage battery test circuitry configured to receive power through a power input. An internal battery is configured to provide power to the power input of the storage battery test circuitry. A switch is provided to selectively couple the storage battery test circuitry to the internal battery such that the internal battery can be tested.
297 Citations
56 Claims
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1. An electronic battery tester for testing a storage battery, comprising:
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storage battery test circuitry having test connections configured to test a battery, the storage battery test circuitry configured to receive power through a power input;
an internal battery configured to provide power to the power input of the storage battery test circuitry; and
a switch configured to selectively couple test connections of the storage battery test circuitry to the internal battery to thereby configure the test circuitry to test the internal battery. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. An electronic battery tester for testing a storage battery, comprising:
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storage battery test circuitry having test connections configured to test a battery, the storage battery test circuitry configured to receive power through a power input;
an internal battery configured to provide power to the power input of the storage battery test circuitry; and
a power supply configured to draw power from the storage battery and responsively generate a charging signal to charge the internal battery. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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38. An electronic battery tester for testing a storage battery, comprising:
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storage battery test circuitry having test connections configured to test a battery, the storage battery test circuitry configured to receive power through a power input;
an internal battery configured to provide power to the power input of the storage battery test circuitry; and
wherein the internal battery is configured to provide power to an automotive vehicle which contains the storage battery when the storage battery is disconnected from the automotive vehicle. - View Dependent Claims (39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56)
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Specification