0:07 - introduction of usb module0:35 - 18650 battery use0:45 - sample build of power bank 1:45 - building of power bank2:45 - soldering iron to use4:25 - us
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❃❃It supports the external key, which is connected to the K point and the output negative pole. Short press to turn on the power display and turn on
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❃❃USB is no welding version ❃❃It supports the external key, which is connected to the K point and the output negative pole. Short press to turn on the
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It supports the external key, which is connected to the K point and the output negative pole. Short press to turn on the power display and turn on the
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