How to Make a 12v Battery Pack with 18650 Batteries

How to Make a 12v Battery Pack with 18650 Batteries taken from used notebooks. This 12 volt battery pack is safely and professionally assembled. In this video you learn How to Make a 12v Battery Pack with 18650 Batteries spending little money and using good cells and with few tools. Then in the video I use the 18650 cell real capacity tester real cell capacity tester.