Greenberg Traurig, LLP
Cordless tool system
A tool discharges one battery pack and a charger simultaneously charges another battery pack to provide for continuous and circular operation of the tool. Tool system includes a tool and a lithium based battery pack having a nominal voltage of at least 56 volts for supplying power to the tool. A heat absorbing device is associated with the battery pack and includes a phase-change material.
Chevron Intellectual Property Limited
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G01K G01K A01D A01D H02J A01D
inventional inventional inventional inventional inventional additional
Dezhong Qichun Haishen Junya Hao
Yang Zhang Xu Duan Du