Beginners guide/tutorial wanted

[flightless22]

How to choose flashlight. Main things in simple words.

What is the difference between thrower and flooder? What is a Cree T6 LED? What is the focus of a flashlight with focus? How do flashlights manufacturers cheat flashlight users? In this text, I will tell you in simple language about the basic terms that will help you to choose flashlight exactly for your needs. Hope you agreee, that you will not choose a car without understanding the difference between a automatic and mechanic transmission? *I`ve been planning to write this guidance for those…

Darn, Jack beat me to it.

This is a deep dive into batteries: https://batteryuniversity.com/