I'm going all in on Milwaukee REDLITHIUM USB 3.0 batteries to bring light to the darkness at work.
Update: The Milwaukee 800L flashlight randomly stopped working after 5 months. Can't recommend this flashlight based on my personal experience.

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Lite Holster Stretch Flashlight Holder with Belt Clip
I checked right before posting this and the HARBOR FRIGHT is the same price
https://amzn.to/3QCFXHp

Milwaukee 211421 USB Rechargeable Rover Pivot
https://amzn.to/47cTUmc

Other stuff and contact info
https://direct.me/funk_fpv