The O’Pen from Olight Flashlight

Here’s the first product review.

Please applause the O’pen.

Olight Pen Flashlight

It’s a pen shaped flashlight created by Olight.

Manufacturer characteristics:

  • LED Type: Very bright CREE XP-G2 LED with life span of up to 50,000 hrs.
  • Battery: 2x AAA or AAA Ni-mh rechargeable
  • Function: Low-Medium-High. Simple UI – press on double press the tail switch.
  • Switch: Tail switch
  • Performance: Advanced digital power management provides the best smooth beam and even brightness during the battery lifetime.
  • Protection: Sealed with O-rings for excellent water resistance and improved service life. Waterproof and Dust Resistant to IPX-8
  • Dimension: 136.5mm (L), 13.5mm (D)
  • Weight: 22.5g (inc battery)
  • Finish: Aerospace aluminium body with stainless steel clip
  • Reflector: Orange peel to provide a smooth, flawless beam.
  • Lens: Tough ultra-clear tempered glass, with anti-reflective coating.

o'pen specs

Personal Impressions:

It comes packed with 2 AAA batteries. In the pack there is also a user manual, manufacturer specifications,a warranty card to fill in and 2 spare rubber o-rings.  The light looks quite impressive and elegant. A really stylish accessory for your EDC (Everyday Carry).

Olight pen Olight O'pen O'pen unboxed

At first I thought that it would be one of those lights with glossy paint that would shine. It is not. That was a pleasant surprise. The coating is kind of velvet like to the touch. Good one, Olight. The logo of Olight is engraved on the clip. The stainless steel ring beneath the clip is carrying the name of the O’pen.  The clip is also made of stainless steel. It cannot be moved but that’s not such a big loss because it’s ment to look like a pen.

It can hardly go for a pen because of it’s thickness. That is of course if you are taking interest in pens and flashlights 🙂

Here’s a comparison.

o'pen comparison


The on/off button is located exactly where a pen’s button would be – at the back.

You have to click it on and release the button for the light to turn on. This is the so called backward clicky.

It’s got 3 modes as it follows :

  1. Mode 1: Low – 5l (lumens) – 30h runtime
  2. Mode 2: Medium – 50l – 8h runtime
  3. Mode 3: High – 180l – 40minutes runtime

You can switch between the modes by fully clicking the button or using light pressure on the button by not clicking it fully.

It’s got the so called “mode memory”. There is a chip in it that “remembers” the last used mode and when you turn it on after turning it off it resumes the last mode used. A thing that I didn`t like is that when you use – for example – the mid mode and turn the light off then turn it on again and want to switch to a higher more it doesn`t. I don`t know if I have explained it correctly. I`ll try to visualise it – turn of the flashlight at mid mode (50l) -> turn it on (it starts at 50l again and when you decide to switch to the higher mode (180l) it starts from the beginning again: instead of – on 50l -> off -> on 50l (switch – should switch to 180l) -> 5l ->50l->180l. It should look like this 50->180 instead it goes 50->5->50->180.

So far that’s what I can say about the light. I`m very pleased it it and strongly recommend it to everyone who wants an EDC flashlight that will not draw too much attention.

Here’s a video review from Youtube.


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