iHaospace 4 Pcs 5V 2A Charge Discharge Integrated Module 3.7V 4.2V 18650 Lithium Battery Boost Module Mobile Power Protection Board

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Description du produit

  • Charge voltage DC 4.5 V-5.5 V (DC 5 V recommended),Charging current 0-2.1A
  • Lithium battery protection function over-current, overvoltage, over-temperature, short circuit protection.
  • Allows download while charging (note output voltage 4.7
  • In discharge mode (The charging mode KEY function is invalid), trigger the KEY port once to open the output; continuously trigger the KEY port twice to close the output.

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