Nixon & Vanderhye P.C.
Rechargeable battery enabling reduction of battery overheating probability during charging
 A battery for an electronic device includes a device engaging side having structure that operatively secures the battery to the electronic device to provide power to the electronic device, an exterior side opposite from the device engaging side, which faces a supporting surface during charging, and a spacer attached to the exterior side that engages the supporting surface during charging, thereby spacing the exterior side from the supporting surface during charging. By virtue of the structure including a spacer attached to the exterior side of the battery, the exterior side is spaced from the supporting surface during charging, and heat dissipation and air circulation are improved. The spacer may be formed integral with the exterior side and may be formed in any of a plurality of shapes and configurations. Spacing the exterior surface of the battery from the supporting surface provides an efficient and inexpensive method of reducing the probability of battery overheating during charging. 
Ericsson Inc.
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Jiewen
Liu