Here are all the parts inside a typical Olight, in order of assembly. This is common to basically every Olight which use single TIR optics. : r/flashlight
Olight Baldr Mini
OLIGHT I3T Plus 250 Lumens EDC Pocket Slim Flashlight with 2 AAA Batteries and a PMMA Optic Lens, Tail-switch LED Flashlight with Dual Direction Pocket Clip for Camping, Outdoor, and Emergency (Black) - -
Olight Warrior 3S CU | Limited edition flashlight with 2,300 lumens | 1Lumen.com
Olight R50 spare parts - LED Flashlights – General Info - BudgetLightForum.com
OLIGHT Warrior Mini2 1750 Lumens Rechargeable Tactical Flashlight with Dual Switch and Proximity Sensor, High Performance LED Flashlights for EDC, Outdoor, Camping and Emergency (Black) - - Amazon.com