SECONDARY BATTERY WITH AN OVERCHARGE PROTECTION DEVICE
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United States of America Patent
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Issued Date -
Oct 22, 2015
app pub date -
Dec 29, 2014
filing date -
Apr 21, 2014
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Abstract
A secondary battery with an overcharge protection device includes a battery case with a chamber for holding a plurality of secondary battery cells; a heat dissipation plate fixed to the battery case; and an overcharge discharge device disposed in the battery case and including a plurality of overcharge discharge modules electrically connected to the secondary battery cells. Each overcharge discharge module includes a balance resistor fixed to the heat dissipation plate. The battery case and the heat dissipation plate are made of metal, the balance resistors are cement resistors, a plurality of first connectors are electrically connected to the overcharge discharge modules, and a plurality of second connectors are electrically connected to the cement resistors and removably fixed to a corresponding one of the first connectors.
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