How to make 6s li-Ion 18650 battery for long range FPV PART 1

In this one I'll be showing you how to make your own 6s Li-Ion battery pack from 6 18650 batteries. All the parts needed are in the links below.
Li-Ion cells https://eu.nkon.nl/sony-us18650-vtc6.html
Cable with XT60 connector https://www.banggood.com/custlink/3DDvnidnaV
Balance connector
https://www.banggood.com/custlink/KmmDbZRbaB
Heath shrink https://www.banggood.com/custlink/DvvKAIybLn
Kapton tape https://www.banggood.com/custlink/3mvDNZdsLz
Battery tester https://www.banggood.com/custlink/DvDGnZybl7
LIPO chardger https://www.banggood.com/custlink/GKGK0Ema6k