| 摘要 |
An auxiliary power is supplied for use on a cell phone in case the power is lost or not available in an emergency. The auxiliary power supply consists of a casing having a spare battery therein. One end of the casing has a plug-in thereon that will fit into the receptacle for the charging cable that is normally used. The battery in the casing will now be instrumental in powering the cell phone. The other end of the casing has a ring attached thereto that can be used to attach the casing to a key chain as a standby in case an emergency arises and the internal power of the cell phone is lost.
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