Sofirn SP33 26650 e-switch flashlight

127 posts / 0 new
Last post

Pages

DB Custom
DB Custom's picture
Offline
Last seen: 3 hours 59 min ago
Joined: 01/13/2013 - 22:28
Posts: 18501
Location: Heart of Texas
Sofirn SP33 26650 e-switch flashlight

I was asked by Tracy at Sofirn to review a couple of lights. This first one is the SP33, a new side switch light with lighted battery level indicator in the side switch, similar to some Thrunite lights and the UTorch UT02.

The AliExpress store listings show it HERE in the $25 range, a good deal for this light in my opinion.

The AliExpress site above shows it coming with a cell and a small single cell charger… I didn’t receive those with this sample light but it did come in the nice box shown and it has the adapter sleeve to allow use of 18650 cells.

Below is what they say about it on the site…

Notice:Turbo brightness level automatically turns to High brightness level after working 5 minutes, so the running-time of Turbo brightness level is accumulated time.
​The tail could not uncrew (note from DB, the tail cap is glued on, probably to keep the spring captured)

Specification:
※ Use CREE XP-L LED with a lifespan of 100,000 hours.
※ Correlated Color Temperature Range(CCT Range): 5350K-5700K, NW
※ Working Voltage: 2.8-4.3V, Max Current 3A
※ Battery Supported: 1pcs 18650 Battery or 26650 Lithium batteries
※ Dimension: 124mm(length)× 31.5mm(diameter) × 36mm(head)
※ Net Weight: 70.8 gram (no batteries included)
※ Mode Memory : Yes
※ Smooth Reflector
※Made by Aircraft 6061 grade-aluminum alloy, used CNC machines, Premium type Ⅲ hard-anodized anti-abrasive finish to get solid built body, anti-crash and better heat exchange
※ Toughened glass lens with AR coating, anti-crash and wearable
※ The waterproof level is IP68, it can be used in rainstorm.
※ Lock-out function: to avoid accidentally activating flashlight in pocket or handbag
Off : Please double clicks the side switch to lock, the signal is that the light flashes twice times.
OFF and Lock out: please double clicks the side switch to unlock. The signal is that the light turn on in a previously used mode.
※ Smart Power Indicator (on the side switch):
Green Light: the battery capacity > 50%;
Orange Light: the battery capacity between 50% and 20%
Red Light: the battery capacity <20% (please recharge or replace the battery )
※Low Voltage Protection: lower than 2.8 Volts, the flashlight turns off automatically to avoid over-discharge. If then reactivate it, the Low Voltage protection function does not work.
Operation:
The side switch to control all function:
1, To press the side switch for 0.5 second to turn on or turn off;
2, click the side switch to cycle through LL→Low→Mid→High→Turbo.
3, When unlock, three clicks to turn on”Strobe”, and one click to turn back.
4,Lock-out function:
When the light is off, please double clicks to activate the “Lock-out” function, “lock-out” works when the light flashes 2 times.
When the light is lock-out, please double clicks to unlock, then the light turn back to the previously used mode.

Warning
LED flashlight is high intensity lighting, and equipment can cause eye damage, avoid direct exposure to the eyes.

The emitter appears to be a Genuine Cree XP-L HD, it’s probably a 3C tint as it’s a very nice Neutral White in color.

This is a nicely made light, the finish is clean and well done, the knurling is grippy without being sharp, overall fit and finish are as good as any light you’re likely to receive from anybody… albeit not the matte finish of some.
The reflector is well made and the beam profile is much to my liking with a defined hot spot, gentle aura, and notably faint spill. Very useful in a lot of general application type scenario’s.

I got these numbers from a LiitoKala light blue 5000mAh 26650…

0.02A for 15.08 lumens
0.12A for 53.13 lumens
0.52A for 212.52 lumens
1.48A for 545.79 lumens
3.31A for 1097.1 lumens

Strobe seems to be on the level of the highest output and is hidden behind a double click when on.

I’ll be disassembling this to show how it’s put together and show the driver, will be back with pics on those details…

At this point, I have to say this one is a well made light and I like it quite a bit. Smile
Thanks Tracy, job well done!

Dale

Back, after disassembly… first thing to point out is that the spring in the tail is a large one and it’s captured by the tail cap so it stays in place. With the tail cap glued pretty solid, reckon I won’t do a bypass till my neck is better. (can’t crank down on trying to unscrew it without pain. Wink )

The next thing to point out is that the driver retaining ring is left-hand thread, turns to the right to remove. This is good, seeing as how you have to unscrew the battery tube to get to the cell. The threads are separate from the tube threads, which is how this works out.

I don’t recall ever seeing a driver quite like this one… it’s pretty nice and easy to get to and the sense resistors add up to 0.02185 ohms in stock trim. This is at 3.31A tail current, notable Wink

Check out the MCU on this one!

This is a Stainless Steel bezel that fits down over the top of the reflector, with the lens pressing the o-ring into a shelf at the outer top edge of the reflector. Well made, a bit difficult to reassemble as the o-ring is on the small side.

The mcpcb is copper, but not direct thermal path.

Inside the driver bay… note that the vertical pcb which holds the switch is slotted into the bay so it won’t be able to be pressed askew by the switch. Nice stable set-up. Well done! Smile

Ok, so with regulated drivers you have to be careful bumping them as it doesn’t take much sense resistor change to blow the driver. I stacked an R100 on top of the R068/R040 combination and this lowered the resistance to a total 0.020118 (down from 0.02185). Not much less, but enough to gain 2A at the tail! Big Smile (also put a 22ga wire bypass on the driver spring)
Now I get readings like this, with the XP-L emitter transferred to a BLF Special Edition Alex Wells DTP 16mm mcpcb….

0.08A for 20.7 lumens
0.22A for 73.49 lumens
0.81A for 298.77 lumens
2.34A for 769.35 lumens
5.31A for 1566.3 lumens

Now THAT’s more like it! Big Smile

I like this one, quite a lot actually. Hope y’all find it as well made and easy to use as I do!
Dale

Dale

Edited by: DB Custom on 09/16/2017 - 20:24
nofearek9
nofearek9's picture
Offline
Last seen: 13 hours 52 min ago
Joined: 07/08/2012 - 08:46
Posts: 1337
Location: Cyprus

nice find,waiting for more pics!

freeme
freeme's picture
Online
Last seen: 42 sec ago
Joined: 11/14/2013 - 22:00
Posts: 6681
Location: freedailydeals.org

Might be a good host for Narsil drivers.

khas
Offline
Last seen: 2 weeks 1 day ago
Joined: 08/08/2014 - 07:20
Posts: 909
Location: Denmark

Thanks for the first view, looking forward to the tear down.

Sofirn has come up with some great flashlights lately, especially their new version of the C8 the C8F :

Pete7874
Pete7874's picture
Offline
Last seen: 4 hours 8 min ago
Joined: 11/23/2011 - 16:47
Posts: 1972
Location: USA
Quote:
the beam profile is much to my liking with a defined hot spot, gentle aura, and notably faint spill. Very useful in a lot of general application type scenario’s.

Thanks for the review.

So, would you say the beam pattern is somewhere half way between a thrower and a flooder?

DB Custom
DB Custom's picture
Offline
Last seen: 3 hours 59 min ago
Joined: 01/13/2013 - 22:28
Posts: 18501
Location: Heart of Texas

The beam is closer to a stock C8 in profile, with a semi-large hot spot due to the domed XP-L. I’m even thinking this may be an XP-L2 as the flats on the sides are smaller, that’s the only way I know to tell the XP-L apart from the XP-L2.

It’s nice, the tint is really nice as well with it being a hint on the warm side of pure white…. gentle on the eyes without being overly tinted in the warm direction.

Dale

bikenber73
bikenber73's picture
Offline
Last seen: 14 hours 3 min ago
Joined: 11/12/2011 - 15:09
Posts: 1832
Location: Maryland USA

khas wrote:
Thanks for the first view, looking forward to the tear down.

Sofirn has come up with some great flashlights lately, especially their new version of the C8 the C8F :

Want!

khas
Offline
Last seen: 2 weeks 1 day ago
Joined: 08/08/2014 - 07:20
Posts: 909
Location: Denmark

It’s on sale on Aliexpress for $20.80 now

bikenber73
bikenber73's picture
Offline
Last seen: 14 hours 3 min ago
Joined: 11/12/2011 - 15:09
Posts: 1832
Location: Maryland USA

I am trying not to spend any more money on lights for awhile Facepalm

Thanks

DB Custom
DB Custom's picture
Offline
Last seen: 3 hours 59 min ago
Joined: 01/13/2013 - 22:28
Posts: 18501
Location: Heart of Texas

This is one of those that’s great for people only having one or two lights. It has all the protections, the lighted warning to charge the cell, takes a high capacity 26650 so it’ll run a good long time (less, of course, if modified for output, but still good)

De-soldering the emitter it was quickly noticeable that the heat spread throughout the head, so the design is efficient even without a DTP MCPCB. All in all, I find it fairly impressive and a good competition for the big name brands out there.

Dale

TBone
Offline
Last seen: 1 hour 51 min ago
Joined: 01/27/2016 - 16:42
Posts: 274
Location: Europe

Thanks for the review, Dale. Interesting light, just ordered one. Could be a great host for XHP with TIR.
Have you by chance measured the size of the driver and the reflector?

Tally-ho
Tally-ho's picture
Offline
Last seen: 2 hours 15 min ago
Joined: 07/23/2011 - 04:15
Posts: 652
Location: France

Quote:

0.5 second to turn on or turn off

DB Custom
DB Custom's picture
Offline
Last seen: 3 hours 59 min ago
Joined: 01/13/2013 - 22:28
Posts: 18501
Location: Heart of Texas

Yes, no different than a great many e-switch only flashlights. Double click to put in lockout, double click to remove lockout.

Edit: Gotta admit, watching that “no” reaction is funny. Wink

Dale

DB Custom
DB Custom's picture
Offline
Last seen: 3 hours 59 min ago
Joined: 01/13/2013 - 22:28
Posts: 18501
Location: Heart of Texas

Looks like (without removing it) the driver is 26.2mm diameter, the left hand thread brass retaining ring has a shelf in it that the driver sits into, centering the driver and making good solid ground contact. And the lens is approx 30.8mm. The reflector opening is 27mm.

Dale

RobertB
RobertB's picture
Offline
Last seen: 5 hours 10 min ago
Joined: 12/18/2015 - 17:49
Posts: 2772
Location: USA, Michigan

Is there 1 o-ring around the reflector, but none between the lens and the reflector, or the bezel and the lens? Seems like you would need an o-ring around the outside of the bezel threads, and one in between the glass and bezel to keep water out.

DB Custom
DB Custom's picture
Offline
Last seen: 3 hours 59 min ago
Joined: 01/13/2013 - 22:28
Posts: 18501
Location: Heart of Texas

That’s what I thought too. There is the one o-ring between reflector/lens/inside of bezel, but no o-ring between the bezel and head. What stops ingress between the bezel and head? For all that they did right, they may have missed something right there. Should be an o-ring up at the top of the threads on the SS bezel and a landing inside the aluminum head.

Edit: Ok, so I checked the actual physical aspect of the bezel and head… there is indeed an o-ring groove in the SS bezel and there is a landing, there just wasn’t an o-ring applied. There are 2 extra o-rings in the bag included in the box so I put one on the bezel and it does fit to seal, so that’s covered even if they left it out on my sample when assembling the light.

Edit II: In a similar way that the newer Eagle Eye X6’s have a ramped shelf on the reflector that squeezes the o-ring out into the bezel, this one does the same thing. When tightened down the bezel is sealed by the o-ring on top of the reflector in a 3 way contact of lens/reflector/bezel. It’s somewhat difficult to get this o-ring to spread out into this shelf once taken apart, I found that a back and forth on/off as I tightened it allowed it to flare out into the reflector shelf.

Dale

RobertB
RobertB's picture
Offline
Last seen: 5 hours 10 min ago
Joined: 12/18/2015 - 17:49
Posts: 2772
Location: USA, Michigan

So, if there’s no o-ring sealing where the lens sits up against the bezel, can water get past the lens around the inside of the bezel and down into reflector housing? or do you think that o-ring around the reflector sufficiently seals that off?

DB Custom
DB Custom's picture
Offline
Last seen: 3 hours 59 min ago
Joined: 01/13/2013 - 22:28
Posts: 18501
Location: Heart of Texas

It seems as though the o-ring around the reflector get’s smashed out into the sides of the bezel, like the Eagle Eye X6. When putting the reflector/o-ring/lens into the SS bezel it wants to hang up on the o-ring, so when tightened it should press out and make the seal.

Dale

RobertB
RobertB's picture
Offline
Last seen: 5 hours 10 min ago
Joined: 12/18/2015 - 17:49
Posts: 2772
Location: USA, Michigan
DB Custom wrote:
It seems as though the o-ring around the reflector get’s smashed out into the sides of the bezel, like the Eagle Eye X6. When putting the reflector/o-ring/lens into the SS bezel it wants to hang up on the o-ring, so when tightened it should press out and make the seal.

Ok sounds good. Nice review btw!

DB Custom
DB Custom's picture
Offline
Last seen: 3 hours 59 min ago
Joined: 01/13/2013 - 22:28
Posts: 18501
Location: Heart of Texas

I have an Lumintop SD26 that is of comparable size. The Lumintop has a fancier X patterned knurling and a slightly larger head diameter but they’re pretty close to the same overall size. The hot spot from the Sofirn SP33 is smaller but both are well defined. The Lumintop emitter color is blue-white, as compared to what is a now noticeable pink or slightly rosy hue in the Sofirn. I had thought the Sofirn hue was around a 3C, and that may well be, but it’s either that or a 3D.

The Sofirn has the lighted side switch cover, a nice touch, and also a SS bezel, again a nice touch. The Sofirn also comes in around half the price of the Lumintop, so all in all it’s a nice deal on a well made light.

Dale

NikolaS
NikolaS's picture
Offline
Last seen: 1 month 5 days ago
Joined: 02/07/2014 - 13:26
Posts: 1268
Location: intersection of all roads

Great review Dale, and really interesting light, Sofirn also have some new C8 models with 5,6Amp on highest level in stock with XPL , and 1700+ lumens they claim… Also driver have two setup with moonlight, and without blinking modes. They look good as Thorfire C8, so I am tempting to order one from Ali store.

Sofirn
Sofirn's picture
Online
Last seen: 13 min 10 sec ago
Joined: 04/06/2017 - 04:22
Posts: 157
Location: Shenzhen, China

Hello Khas,

The C8—C8F are ready on Aliexpress.com. If you are interested in testing the torch with 2 light groups, please feel free to contact us on Aliexpress:

https://www.aliexpress.com/store/product/Sofirn-New-C8-Tactical-Cree-XPL...

Have a good time

Tracy

Sofirn is owned by a factory, contact us for any lights you wanna make or contact to be a dealer.

Sofirn Flashlight Deals Group

AMAZON US Store

Authorized AMAZON DE Store

Aliexpress Worldwide Store

Thailand Shopee Store 

Malaysia Shopee Store

khas
Offline
Last seen: 2 weeks 1 day ago
Joined: 08/08/2014 - 07:20
Posts: 909
Location: Denmark

Tracy Wan—-Sofirn wrote:
Hello Khas,

The C8—C8F are ready on Aliexpress.com. If you are interested in testing the torch with 2 light groups, please feel free to contact us on Aliexpress:

https://www.aliexpress.com/store/product/Sofirn-New-C8-Tactical-Cree-XPL...

Have a good time

Tracy

I have ordered one it’s currently :

“Waiting for pick up” Since : 2017-09-15 09:26:11 [GMT+8]

Hope somebody will pick it up soon Wink

Wildcat
Offline
Last seen: 4 hours 39 min ago
Joined: 06/26/2016 - 00:34
Posts: 176
Location: Russia, Siberia

SP33 works fine with light diffuser for Convoy M1/M2. Good camping lamp with lot of light Thumbs Up

DB Custom
DB Custom's picture
Offline
Last seen: 3 hours 59 min ago
Joined: 01/13/2013 - 22:28
Posts: 18501
Location: Heart of Texas

Cool info, thanks for posting… I really like this one a lot, used it last night and am just really impressed with it’s coverage. This is one of those that a person would do well to have if only having a couple of lights. This and a Klarus G35 or an Olight M2X-UT Javelot and a guy would be pretty well fixed. (or gal)

Dale

JasonWW
JasonWW's picture
Online
Last seen: 1 sec ago
Joined: 10/22/2016 - 11:41
Posts: 8702
Location: Houston Texas

freeme wrote:

Might be a good host for Narsil drivers.


Not really. The side switch design is all wrong. You need a light with a seperate switch, not one built into the driver.

My Convoy L6 thread with XHP70.2, Texas Avenger FET driver, Narsil v1.2 ramping firmware (old), lighted side switch and cut down SMO reflector. Lots of amp draws on stock driver as well. 

My Supfire L5-S thread with XHP70.2, 26350 cells (4,100 lumen!), Texas Avenger FET driver, NarsilM v1.0 ramping firmware and lighted side switch. My mini L6! 

Modded S70S with MTN FET driver, RampingIOS (D4) and lighted side switch.

10 NarsilM user videos for BLF Q8, GT, GT Mini and ROT66

Texas_Ace BLF Calibrated Lumen tube

Maukka Calibration Lights for DIY Lumen Measuring Devices - Headlight List with prices, specs and features

Review Jaxmnve M1 Stainless 10180 Keychain light - Lumintop ODF30 Review - Sofirn C8F 21700 Teardown and Review

bidh
Offline
Last seen: 2 weeks 5 days ago
Joined: 10/26/2018 - 07:28
Posts: 1

I was searching this forum for a 26650 flashlight and settled for the sofirn one but apparently that model has been recently upgraded.

Those are the notable differences I found.

 

※ Emitter: CREE XHP50.2 LED

※ Working Voltage: 2.8V-4.3V

※ Battery Options: One 18650 Li-ion battery or single 26650 battery

※ Dimension:128mm (length)*37mm (head diameter)

※ Weight: 150±2 gram (without batteries)

※ Aerospace grade 6061 grade aluminum alloy, CNC manufactured to hard-anodized anti-abrasive finish to get solid built body, anti-crash geometry and better heat exchange.

※ Toughened mineral glass lens; Orange peel reflector

※ The waterproof level: in accordance with IPX8 (Ingress Protection X8- resistant to submersion up to a maximum depth of 2 m underwater for up to 30 minutes)

※ Mode Memory: It memorizes the last brightness level used in the general modes (except Strobe and Turbo)

※ Advanced Temperature Regulation (ATR) technology: ATR will adjust the brightness automatically when the temperature reaches 55℃ (131 °F) to prevent overheating.

※ Automatic Step-down: Turbo mode steps down to High mode after 2 minutes of working to prevent overheating.

Step-down and Advanced Temperature Regulation (ATR) coexist.

※ Power Indicator: The LED indicator on side switch displays Green for 5 seconds if remaining battery power is good. The indicator is Red, if battery power is poor. Red Flashes indicates extremely low power - replace or recharge battery as soon as possible.

※ Reverse polarity protection from improper battery installation.

※ High Voltage Protection: The light cannot turn on if the voltage was over 5 Volts

※ Low Voltage Protection: the light turns off automatically when the voltage was lower than around 2.6 Volts; The Turbo will be disabled autocratically when the voltage is lower than 3.4 volts; It steps down to lower modes automatically when the voltage is lower than 3 Volts

 

Has anyone else noticed or reviewed the updated version ?

Thanks for your time

Lux-Perpetua
Lux-Perpetua's picture
Online
Last seen: 13 min 56 sec ago
Joined: 03/01/2018 - 04:39
Posts: 715
Location: Germany

Yes, I recently became aware of this updated version when Sofirn asked me to translate the new manual into German language. AFAIK it's more or less some kind of a "silent relaunch" with the new XHP50.2 version and according to their webshop on AliExpress it has started to roll out this month. I have purchased it for something like $ 23,- which is in my opinion a really nice price. They might also offer it on Amazon later on both with and without battery and charger just like they did with the C8F 21700 but this is yet to be confirmed by Sofirn.

DB Custom
DB Custom's picture
Offline
Last seen: 3 hours 59 min ago
Joined: 01/13/2013 - 22:28
Posts: 18501
Location: Heart of Texas

Thanks for the heads up, hadn’t seen that. Wink

Dale

PBWilson
Offline
Last seen: 5 hours 30 min ago
Joined: 08/24/2016 - 17:49
Posts: 589
Location: Rochester, NY

About how many lumens does it put out with the new XHP50.2?

What do you think the change in emitter will do to the hotspot?

I’m becoming more and more interested in 26650 lights. This could be a nice addition.

BlueSwordM
BlueSwordM's picture
Offline
Last seen: 3 hours 57 min ago
Joined: 11/29/2017 - 12:34
Posts: 2019
Location: Canada

Ehhhh, about that.

The XHP50.2 is going to be a tint mix of the rainbow. Not as bad as an XHP70.2, but still worse than the XHP50.

So around 2250 lumens that it would output I reckon.

Pages