[Short Review] Olight Seeker 2 Pro - 21700, 3 x XPL, Silicone grip, 3,200 lumens

Thanks for the review. Really detailed.

I see new development for flashlight : the led indicator status (wow). New sillicon grip. 21700 is just about perfect if consider size, capacity mah and high discharge current :+1:


You are right. It's not glue, easily unscrew.


I wish this were true, but it's a choice manufacturers made in the name of protecting consumers from "inferior" quality cells...
...but I'm secretly agreeing with you...


Thank you for the kind words.

Thanks for the review! The sustained output looks great. Only pity is the use of proprietary cell, I’d rather not have the magnetic charge function and have it accept regular 21700 cells.

So it is possible to do an emitter swap without much work?

Thanks for the kind words, but I’m sorry I can’t give you much confirmation in this area as I sucks at modding. We will have to wait for our more experience modder like maukka and/or many others in this forum to chip-in. :innocent:

is the bezel press fit or screwed?
get LH351D in there with NW and CRI

Agreed - wonder if it’s press-fit like the S-series. Throw some dogfarts in there and you’ve got a fantastic flooder. It’s not even showing on the AU store, so can’t even get an idea on how much it’d cost to start trying; not that I really want to open up a ~$200AUD light if it’s out of my pocket ;p

But yes, ouch, 5lm moonlight…

Exactly what I was thinking.

Oops, missed that.

Yep, LH351D for ultimate flooder.

Thanks for the review :+1:
Does anybody know who makes this optic? I’ve been looking all around for an optic to replace this but can’t find any. It seems to be 26.5mm with a distance between LED centers of 11mm.
I’m trying to do an emitter swap, but on one of my Seekers the head inner diameter seems a little low - it’s all very tight in there and I might not be able to get the white centering helper out of there without damage. As it’s needed to hold the optic in place I’d need a new centering thingy or a different optic entirely.

Any leads would be greatly appreciated :slight_smile:

Just picked up the orange version of this light and wanted to mention that unlike my 16340 and 18650 powered Olights, the magnetic tail on this light is much too weak to be used for anything other than holding the magnetic charger. You won’t be hanging this light on any metal objects for hands-free use.

I have 3 Seeker2 Pro’s(2Blk&1Orange), and 1 blue Seeker2, and a Klarus 21700 button top model 21GT-50 works in all of them. They just won’t charge it.

I have a button top 21700 Samsung 50E, and an Acebeam IMR21700NP-510 coming from Battery Junction.

I’ll let you know how they work in them, as well.

I bought the Seeker 2 Pro orange version from the BF sale. It is an amazing light. Very well built and beam from the optic is very Olight like. The tint is actually really nice. 5700K is afternoon sun and the tint is slightly rosy making it one of the nicest Olight CW tint I’ve seen. These are the measurements I took with the Texas Ace Lumen Tube calibrated with Maukka lights.
Turbo: 3387 lumens, CCT 5742K, DUV –0.0021, CRI 70.6, R9 –17.2, R12 45.2, Rf 64, Rg 99
High Mode: 1169 lumens, 5518K, DUV 0.0004, CRI 70.6

I also bought the Seeker 2 (non pro) which uses the Osram emitters instead of XP-L HI. The hotspot is smaller and the output is slightly lower at 3060 lumens. However it is a good bit more CW and not as rosy. I didn’t take any photometric measurement before I gifted it but I’m pretty sure tint is about 6500K and DUV is surely positive side. The Seeker 2 Pro tint looks far more pleasing and natural.

I know this thread is a little old, but for future readers: “Yes, this works great.”

I swapped in a set of LH351D LEDs on my Seeker 2 Pro. I went with high CRI 3000k warm white (bin code SPHWHTL3DA0GF4VPP6). The well-known “DA0GF4RTS6” SKU is 5000k, and would still be dimmer than the XP-L2, which I knew going in. The “DA0GF4VPP6” at 3000k is in the same quality range but there’s maybe a 15% hit to output going to the warm white dome vs. the 5000k Samsung chips, according to the datasheet. The reflow was fairly trivial, though there is really not a whole lot of length on the wires to re-attach them once the MCPCB is back in the light. The solder on there is lead-free and the metal PCB really, really eats up heat given that it has to be reassembled in contact with the body of the light – needs a good iron. I considered the SST-20 in a warm white, but have one in a 4000k EagTac D3A and it’s a bit too much throw for my taste in this light.

In terms of sizing and alignment with the lens, the LH351Ds are really a 1:1 replacement for the XP-L2s. The beam is beautiful, floody but still with a decent broad hotspot since this is mostly controlled by the stock TIR lens. It might be a tiny bit less defined at the edges. I looked into other lenses, but best I can tell it’s custom – there aren’t a whole lot of 26.5 mm diameter triples out there. Also, the white alignment / backing piece has pins that hold the PCB into the flashlight, so it would take a bit of hacking to keep the same mechanical design with a generic optic.

For me, the 3000k is perfect, sort of late afternoon sunlight. There is a noticeable dropoff in output, but honestly it’s still plenty bright for any reasonable use. Comparing to another OLight (the H2R Nova in NW), it’s similar in output, I’d say the modded Seeker 2 Pro is still a bit brighter. So, probably in the 2000–2500 lumens range – it’s difficult to be sure given the difference in colour temperatures. The colouring is night and day vs. the H2R. Way warmer and more pleasant, but also the CRI difference is huge – reds really pop.

If I had a line on TIR with a broader spill I’d probably go that way, as I’m a sucker for floody optics… but as a general purpose task light this is in a really good spot. Standard complaints about the OLight batteries aside, this is really a grail for me on ergonomics and the pleasant / useful output with the swapped emitters.

Nice review.

So you have to buy Olight batteries and you can’t charge them in standard desktop chargers? Not to mention, I cant use Olight batteries in my other lights?

That’s a rabbit hole to be avoided.

I just bought one of these, my first Olight. It is supposed to be new, and it looks it except there was a lot of oxide on the tailcap threads - is this a thing with Olights? It had as much oxide as lights I’ve had awhile, I’m constantly wiping that crud off of threads, this one came new with like that - Anyone else notice that?

Thanks! :beer:

No. Most of blf members are smrat and not buy Olight.

no u shouldnt, and using them in normal charger u can damage battery as it has both the negative and plus on the top for the magnetic to work. i guess they want protect their lights so ppl not throw in crappy batteries. in older lights that dont use magnetic its no problem use any decent battery tho.

I’d like to mod my seeker2-pro as I hardly use it due to the really cool emitters. The more time I’ve spent on BLF the less Olight product I’ve bought.

yeah usually most tend to avoid olight due to their cool white emitters… and price is also a factor, we are at budget light forum afterall xd