DWEII 10PCS Type-C USB 5V 2A Boost Converter Step-Up Power Module Lithium Battery Charging Protection Board LED Display USB for DIY Charger ( no Welding Version)

❃❃10PCS ( no welding version) Type-C USB 5V 2A Boost Converter Step-Up Power Module Lithium Battery Charging Protection Board LED Display USB For DIY Charger ❃❃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 power display and turn on the 5V output. Two consecutive short presses will turn off the power display and turn off the 5V output. ❃❃When the load current is less than 50mA continuously, the output will be turned off. ❃❃1; When the charging current drops to 100mA after reaching the final floating charging voltage, the charging cycle will be automatically terminated; 2; When the battery voltage drops below 4.1V, the charging cycle starts again. 3; When the battery voltage is lower than 2.8V, the battery will be pre charged with a current of 180mA.