Rechargeable batteries
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United States of America Patent
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Dec 2, 2008
Grant Date -
Feb 10, 2005
app pub date -
Jun 28, 2004
filing date -
Mar 6, 2000
priority date (Note) -
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Abstract
An improved rechargeable battery which comprises: a plurality of battery cells connected together to discharge in parallel, each of the cells, or each group or groups of the cells having its own respective recharging input; and an electrical switching circuit to switch a number of the battery cells or groups of cells to connect to their respective recharging input for recharging each cell or group of cells individually.
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