5V 2A Power Bank Charging Module Circuit Board Step Up Boost Power Supply Module 2A Dual USB


Dual USB 5V 1A 2.1A Mobile Power Bank 18650 Battery Charger PCB Module Board Micro USB input: 5V 1A USB Output: 5V 2.1A / 5V 1A(Dual USB interface) Charging display: intelligent digital display Batteries Type: liquid lithium-ion batteries (18650) 3.7 lithium-ion battery only Product Size: 57mm x 28mm Screen size: 27mm x 17mm

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SKU: 5265 Category:


  • With a torch LED lamp (long press power button to turn ON or OFF)
  • Module has multiple safety circuits
  • Output voltage and current is stable, to protect USB devices during charging
  • Module has protection from overcharge,overdischarge,short circuit and no need to worry about the time of charging
  • Battery Level Display:4 blue LED light to display capacity, in non-operating state, intelligent power off

Mainboard Protection Function: Overcharge protection Overdischarge protection Overcurrent protection Module does not need battery protection board as it has inbuilt battery protection system. Installation Introduction: 1.Circuit board B- connects power negative,B+ connects positive. Don’t inversely connect,it will result in burning of board.Make sure there is insulation between power and circuit when install the battery 2. Press and hold the switch,flashlight LED light starts,then press and hold to turn it off 3. 2A output is not continuous current,it changes according to USB connecting load, automatic current output as per load 4. If battery is connected incorrectly, the reverse polarity will burn the circuit.So, make sure to check the battery polarity when connecting. Special Instruction: When connecting the board for the first time, connect the battery and then connect the micro USB charger and charge the battery to full capacity before using. It is required to prime the IC, so that it starts and shuts down accurately