Patent 6329793 Issued on December 11, 2001. Estimated Expiration Date: May 22, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
320/132, With state-of-charge detection320/134, With battery or cell condition monitoring (e.g., for protection from overcharging, heating, etc.)324/430, To determine internal battery impedance324/433To compare battery voltage with a reference voltage
An apparatus for charging a battery, includes a first electrical connector configured to couple to a positive terminal of the battery and a second electrical connector configured to couple to a negative terminal of the battery. The first and second connectors are used to charge the battery. A microprocessor is configured to test the battery and provide an encrypted output related to the battery test.
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