Single USB power Bank Module with LED Display of battery indicator. This Power Bank circuit have single usb and Type B Charging port. The display shows battery parcentage with red LED. You can connect many battery to this power bank. Battery should be 3.7v 18650 lithium ion battery. Switch facility also there to check out battery percentage. 

Single USB & Display Power Bank Module

  • 1 x With Display SIngle USB power bank Circuit

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