| 摘要 |
A mobile power source for use with a hand-held machine and a method of operating the power source are described. The mobile power source comprises a power supply having an attachment device configured to couple the power supply to an operator, whereby the coupling of the power supply to the operator permits substantially free movement of the hand-held machine by the operator while providing power to the hand-held machine. Furthermore, a power controller is coupled to the power supply and configured to control the output of power from the power supply to the hand-held machine, whereby the power controller is remotely coupled to the power supply via a wireless connection.
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