Power bank PCBA 1 USB 5V 1A board Motherboard 18650 3.7V battery charging board


Input: 5V 1A
Output: 5V 1A


Charge Lighting method: The chargig indicator light flashes. After one bar is fully charged, the next bar flashes.
Fully lit when fully charged, dimming when discharging, flashing when low battery


Power-on method: double-click the large chip to turn on the light; automatically shut down when there is no load


Standby power consumption: 50-100uA