| 摘要 |
A method of supplying an AC voltage with a battery pack comprises the steps of providing a battery pack having two DC output terminals and two AC power output terminals, producing a low DC voltage by the battery pack, converting the low DC voltage to a high DC voltage, outputting a high DC voltage through the two DC output terminals, and alternately connecting the two AC output terminals to the two DC output terminals with a frequency to produce an AC voltage.
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