Rechargeable headlamp comparison: Milwaukee vs. Klein vs. "budget" (GoForWild)

Comparing rechargeable head lamps / work lights ("forehead lights").
The objective is to find the best value unit that will provide light for the entirety of an 8-hour work shift .

Comparing three units at three price points: Milwaukee 2111-21 (~$60), Klein 56034 (~$40), and GoForWild (~$15).
Which one will give the best light throughout, while providing the best value?

GoForWild intro: 0:32
Milwaukee intro: 2:16
Klein intro: 4:32
Test - beginning of the shift: 7:03
Test - end of the shift: 10:48
Milwaukee letdown: 11:54
My verdict: 12:55

Milwaukee: https://www.amazon.com/Milwaukee-2111-21-475-Lumen-Rechargeable-Headlamp/dp/B0775FVML3

Klein: https://www.amazon.com/Klein-Tools-56034-Rechargeable-Headlamp/dp/B07CJPGWCD/

GoForWild: https://www.amazon.com/Rechargeable-Headlamp-Lightweight-Waterproof-Adjustable/dp/B07D587F5D

Видео Rechargeable headlamp comparison: Milwaukee vs. Klein vs. "budget" (GoForWild) канала Russian Sparky