PORTABLE OR HAND HELD VEHICLE BATTERY JUMP STARTING APPARATUS WITH BATTERY CELL EQUALIZATION CIRCUIT
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United States of America
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Issued Date -
Dec 5, 2024
app pub date -
Aug 12, 2024
filing date -
Aug 12, 2024
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Abstract
A hand held, portable jump starter device includes a rechargeable battery with a plurality of battery cells connected in series, and a battery cell equalization circuit connected to the rechargeable battery. The battery cell equalization circuit includes an individual battery cell equalization circuit for each of the plurality of battery cells, with each of the individual battery cell equalization circuits configured to discharge a particular battery cell upon the particular battery cell reaching a cell voltage exceeding a pre-determined upper voltage threshold until the particular battery cell reaches a pre-determined lower voltage level below the upper voltage threshold, and where the individual battery cell equalization circuits are configured to charge lower voltage individual battery cells at a higher rate allowing lower voltage individual battery cells to catch up in voltage to an individual battery cell having a highest voltage.
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