Laser power ratings - Should we trust them?

How accurate are the power ratings on lasers? Can we really trust the values from manufacturers? in this episode I put 5 lasers from 4 manufacturers to the test as to whether the output ratings really live up to what is advertised and we can see which is the most powerful laser.

Fox Alien 20W/80w Laser - https://bit.ly/3I76N7J
Lasertree 20W/80W - https://amzn.to/3wBtKZO
https://lasertree.com/products/20w-optical-power-laser-module-lt-4lds-v2
The Sculpfun S10 from GeekBuying -https://www.geekbuying.com/go/7A3Gj7kH
Sainsmart Genmitsu Jinsoku LC-40 https://shrsl.com/3i1bx

Intro 00:00
Method 00:52
Tests 02:38

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