Introduction: Build a Power Bank in $2

Hey! everyone My name is Steve.

Today I'm going to show you How to make a Power Bank in just $2 not believing?

Follow me and you'll get it

Click Here to See The Video

Let's Start

Step 1: Features

Power Input

  • 5v 2A via a micro USB

Power Output

  • 5v 1A And 5v 2A Dual USB


  • It depends on how much battery you added

Safety Features

  • Short Circuit Protection
  • Over Voltage Protection
  • Over Charge Protection
  • Over Discharge Protection

Step 2: Things You Need




    Suggested Buy

    • 18650 Battery - Click
    • Vichy VC99 Multimeter - Click

    Step 3: Where to Get Free 18650 Batteries

    I used my old laptop battery to get the cells check the video down below

    Click Here to See The Video

    Step 4: How to Check How Much Capacity Is Left

    I used a Battery Capacity tester to check the real capacity check the video down below

    Click Here to See The Video

    Step 5: Assembling Part 1

    • I used 18650 battery holder to hold the 6 battery that I salvaged from an Old laptop battery
    • After that, i used a thick wire to solder all the 18650 in parallel configuration

    Step 6: Assembling Part 2

    • I used dual sided tape to stick the battery and the Board to the Acrylic sheet

    Step 7: Completing

    • And then I soldered the 2 wire to the board ( see the image )

    : Notice - Please be careful about the polarity

    Click Here to See The Video

    You Just Made It

    Now just Plug the power and enjoy

    Thank you for visiting my Instructables Stay tuned for next Projects


    Rufus Akerele (author)2017-08-14

    I would have instructables be in downloaded formats which can be followed up after switching off the handset. Rufus Akerele

    AshokK17 (author)2017-08-11

    Nice Power Bank.


    wow that's great

    About This Instructable




    Bio: Hi my name is Steve and i'm a Creative and I got Technical skills i can build anything just stick to my account . I ... More »
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