Build a Power Bank in $2

by Steve Willson Kujur in Circuits > Electronics

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Build a Power Bank in $2

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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


Features

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Power Input

  • 5v 2A via a micro USB

Power Output

  • 5v 1A And 5v 2A Dual USB

Capacity

  • It depends on how much battery you added


Safety Features

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

Things You Need

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Banggood

Amazon

Aliexpress


Suggested Buy

  • 18650 Battery - Click
  • Vichy VC99 Multimeter - Click

Where to Get Free 18650 Batteries

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

Click Here to See The Video

How to Check How Much Capacity Is Left

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

Click Here to See The Video

Assembling Part 1

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  • 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

Assembling Part 2

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

Completing

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  • 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