DIY Power Bank | 18650 | Emergency From Laptop Battery

In this video, I will show you how to make your own DIY power bank with 18650 battery. As you already know 18650 battery is similar to laptop battery. Thus you can use your scrap laptop battery to build this emergency mobile phone charger or power bank.
Name it whatever you like. We have named it 5x Gear power bank.
Here's what you'll need:
1) Power Bank Circuit
2) 18650 Battery
3) Casing (you can make with whatever you like)