Typ-C USB 5V 2A Boost Konverter Step-Up Power Modul Lithium Akku Aufladen
1,25 €
When the load current continues to be less than 50mA, the output will be turned off. Support external buttons, connect the button to the K point and output negative pole, short press to turn on the battery display and turn on 5V output, and two consecutive short presses will turn off the battery display and turn off 5V output.
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