I've problems with my Photon II Pro green LED keychain flashlight

https://www.youtube.com/watch?v=kAQk391iPic
Compared to my blue and white one, this green struggles to stay lit.
Why this is happening?

File information
Filename:	MVI_8141_MP4_snapshot_00_13_234.jpg
Album name:	dor123 / Videos
Filesize:	133 KiB
Date added:	28 Apr, 2024
Dimensions:	1920 x 1080 pixels
Displayed:	161 times
URL:	http://80.229.24.59:9232/gallery/displayimage.php?pid=20701
Favourites:	Add to Favourites