USB Powerbank

A simply USB powerbank with a 18650 li-ion battery and J5019 charge step-up module.

The source of project on Tinkercad: https://www.tinkercad.com/things/ghVSfCTIYud-li-ion-18650-recharge-base

Instructions:

• print the case (2 part: bottom and upper)
• print the 18650 battery holder

Other parts and hardware needed:

• No. 1 - 18650 Battery
• No. 1 - J5019 charge step-up module (see photo of Amazon or follow this code ASIN: B0BGKXMFV4)
• wire (black and red)
• No. 1 - 2,5 x 2,5 x 22 mm plexiglass (optical fiber :D) for the LEDs
• No. 1 - USB female standard connector for charge output
• No. 4 - smallest screws (tipically used for the eyeglasses) 1x5 mm

The bottom part contains:

• the J5019 module housing
• the holes for:
  • the microUSB charge input plug
  • 2,5 x 2,5 x 22 mm plexiglass used as optical fiber for the two led on the shield.
    • pass the small piece of plexiglass through the hole on the front side and make sure that it rests on the 2 small LEDs (green and red)
  • USB female standard connector for charge output

Fix the parts with a glue