Special code for BLF from Sofirn. New arrivals— C8A 2 light group and max up to 1747 lumens.

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Sofirn
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Hawaiian Eyez wrote:
Hawaiian Eyez wrote:
Just got the SF11 light from Amazon US…

$23.99 for a 4AA light… cool deal! This will be my third 4AA light next to a Nitecore EA41 & EA45S. Hope it works out.

Got my light in from Amazon today fast shipping, but big disappointment!!!

Fresh set of eneloops and it worked okay but a little funny. Switch operated slow… real slow. (some reviews mentioned it) Then it just started acting crazy! Changing modes by itself, indicator light kept changing from red to green to yellow and back again. Pulled the batts out and popped in another fresh set of Eneloops. Same deal! Light was tripping out, changing modes and the switch would barely work. That was enough for me!

Definitely not a reliable light. Back in the box and returning to Amazon.

Hi, Hawaiian

I’m so sorry for the problems you are experiencing

Thank you for your feedback. We have feedback to the our factory who have find the issues occurred and get solutions to avoid the issues in next batch.

Sorry again for the inconvenience caused to you
If there have other problem, please feel free to contact with me, we will make explanation or assist you solve that.
Thank you very much
Have a nice day
Sofirn

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

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Sofirn
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Jensen567 wrote:
I got my SF11 yesterday and tested it this morning, also had some switch troubles, at first it would turn on to a random mode, then not switch modes or turn off no matter what I did with the switch, had to remove the batteries. The second time it went into strobe and did the same thing until I just started pressing the button like crazy, then it started functioning like normal. Not sure what was up with that, but it seems to work fine now. I am using lithium primary cells (energizer ultimate lithium AA cells).

One thing I do really like, the head on mine was not glued shut, so I can actually get in there for modding. Think I will put in an XP-L HI in warm white.

Hi,

I’m so sorry for you have met.

We have feedback to the our factory. And there will someone to find the issues occurred and get solutions to avoid the issues in next batch.

Sorry the inconvenience caused to you again

If there have any other problem, please contact with me. We will assist you to solve that.
Thank you
Have a nice day
Sofirn

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

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Sofirn
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glockboy wrote:
Got the SP32 today from Amazon. The light work for a minute, the it go haywire, on by itself, cannot switch mode, cannot turn off, I take the battery out and put it back in, it Strobe. Fix? I really it this light if it work.

Hi, friend

I’m so sorry for the inconvenience.

We have feedback to the our factory who have find the issues occurred and get solutions to avoid the issues in next batch.

Sorry again

Have a nice day

Sofirn

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

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Sofirn
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kotobuki wrote:
Hawaiian Eyez wrote:
… I left the light in the off mode to take care of something else and came back to find the light on in a low mode. Came on by itself! Thankfully it did not come back on in turbo, and burn something up! Luckily it runs on AA’s and not our favorite 18650’s or similar….

It happened to my just arrived SF11 this morning but I thought it was my fault! will check again to day.

Thanks Hawaiian Eyez.

Hi, friend

If you met any problem, please feel free to contact with me

Have a nice day
Sofirn

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

Sofirn Flashlight Deals Group

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Sofirn
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AgentSteel wrote:
Now, I suddenly don’t feel too compelled to buy this light Facepalm

Please don’t worry, we have feedback to our factory.
If you met any problem, please feel free to contact me, i’ll assist you to solve it.

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

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Sofirn
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AgentSteel wrote:
Would you offer coupon codes for amazon.FR too? Would be nice Blushing

The SF11 is tempting me Smile

PM Wink

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travis
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My SF11 is great—it just has a sort of “slow” eswitch that takes some getting used to.

A well regulated Militia, being necessary to the security of a free State, the

right of the people to keep and bear Arms, shall not be infringed.

kotobuki
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kotobuki wrote:
Hawaiian Eyez wrote:
… I left the light in the off mode to take care of something else and came back to find the light on in a low mode. Came on by itself! Thankfully it did not come back on in turbo, and burn something up! Luckily it runs on AA’s and not our favorite 18650’s or similar….

It happened to my just arrived SF11 this morning but I thought it was my fault! will check again to day.

Thanks Hawaiian Eyez.

I checked SF11 for all day: set OFF with a pack of fully charged battery, faced up; its still OFF for all the time. Looked like it was my real mistake before!

Dusty
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kotobuki wrote:
kotobuki wrote:
Hawaiian Eyez wrote:
… I left the light in the off mode to take care of something else and came back to find the light on in a low mode. Came on by itself! Thankfully it did not come back on in turbo, and burn something up! Luckily it runs on AA’s and not our favorite 18650’s or similar….

It happened to my just arrived SF11 this morning but I thought it was my fault! will check again to day.

Thanks Hawaiian Eyez.

I checked SF11 for all day: set OFF with a pack of fully charged battery, faced up; its still OFF for all the time. Looked like it was my real mistake before!

I have gotten mine to work a few times, without it acting up. I would still be cautious about leaving batteries in, if you’ve experienced the same issues, some of the rest of us have.

According to the manual, a half twist of the tailcap will perform a lockout. Do those of you with a working SF11 get that? Mine has power pretty much as soon as the locating pins of the tailcap are inserted.

Brianbug

Jensen567
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Mine has also worked normally a few times, then it goes back to being unresponsive and having a mind of its own. Thankfully Sofirn are working with me to resolve the issue, will update when the replacement comes.

Pulsar
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Sounds like a loose or dirty connection somewhere.

kotobuki
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Dusty wrote:
…..

According to the manual, a half twist of the tailcap will perform a lockout. Do those of you with a working SF11 get that? Mine has power pretty much as soon as the locating pins of the tailcap are inserted.

You absolutely right, it still works until I nearly removed all tail cap out!!!! Facepalm

Dusty
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kotobuki wrote:
Dusty wrote:
…..

According to the manual, a half twist of the tailcap will perform a lockout. Do those of you with a working SF11 get that? Mine has power pretty much as soon as the locating pins of the tailcap are inserted.

You absolutely right, it still works until I nearly removed all tail cap out!!!! Facepalm

Well, it might just be a mistake in the manual. I think sometimes they just update between different models, and sometimes miss things.

Brianbug

Sofirn
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Prometheus wrote:
i wanna order the SF11, but it doesn’t ship to canada. is it sold on amazon.ca?

Hey, sorry. We did not sell on amazon.ca at present. Because shipment is a big problem.

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

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Dusty
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I wanted to post here, and thank Tracy for getting involved in the issue I had with my SF11. I received a new one today, and have been putting it through the ringer for the last couple of hours. It is working great. This one came from a different Amazon distribution center, so hopefully for Sofirn, it was just a small batch that were having problems.

Brianbug

Jensen567
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I also want to thank Tracy for the help on the SF11 Issues. She actually PMed me before I had a chance to send them a message or go through Amazon. My replacement light arrived last week and is working as it should. Very happy with the light now, should make a great emergency AA light.

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Hy Tracy

Sent a PM, also experiencing odd behavior.

hank
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Is there any way to identify which batch — flaky, or reliable — that a light came from?
I mean, besides sitting and watching to see if it turns itself on …

manithree
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Looks like I dodged a bullet on the SF11. The aliexpress store listing has 14500 in the title, in the url , and in the description.

I thought “COOL! A light that will use 4 NiMh AAs or 4 Lithium 14500’s!” and placed an order. Then I looked more closely at this thread and the description page, and the seller verified that it won’t use 3.7v 14500 batteries.

So, I’ll be getting a refund for now. I realize 14500 is, technically, the size of a AA, but that seems pretty shady and misleading to so prominently display that in the description since the commonly accepted meaning of 14500 is the lithium rechargeables. But maybe I’m wrong.

hank
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Does the tailcap lockout work on your lights?

Is that a way to tell the old flaky batch from the revised batch?

I applaud Sofirn making improvements — but I want something clearly visible showing which batch a flashlight comes from, even if it’s only a painted “v1.1” version number, or a paint dot, or something distinctive.

Sofirn, consider getting some glow-in-the-dark paint to put dots on revised lights. That would be a find-in-the-dark feature worth having, too.

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manithree wrote:
So, I’ll be getting a refund for now. I realize 14500 is, technically, the size of a AA, but that seems pretty shady and misleading to so prominently display that in the description since the commonly accepted meaning of 14500 is the lithium rechargeables. But maybe I’m wrong.

I seem to remember reading somewhere it could use one 14500 but not four of them.

hank wrote:
Does the tailcap lockout work on your lights?

I bought mine at the start of November from the Sofirn store on Aliexpress and don’t have any of the problems.

No half-turn lock-out. There was no listing of it on the store page as a feature so I’m not complaining. The printed manual still mentions it.

Dusty
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hank wrote:
Does the tailcap lockout work on your lights?

Is that a way to tell the old flaky batch from the revised batch?

No lockout. That’s about my only real gripe with this light. I have one of the bad ones, purchased in May. Tracy had a replacement sent within a couple of days. I’ve had both apart, and there is no difference in the driver. Same model/ revision number. I think they pulled them from Amazon, when they started having issues. It isn’t an issue that will just appear one day, either. It will show up as soon as the light gets heated up. (Or at least thats what everyone, including myself, experienced) Never did figure out exactly what was causing it.

Brianbug

hank
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One thought for Tracy/Sofirn — check your driver circuit for susceptibility to “electronic smog” like a cell phone operating nearby.

I have seen other electronics from China that would turn on or off if a cell phone or walkie-talkie radio operated nearby, for example.

I also noticed I could trigger a neighbor’s car alarm by changing modes on a flashlight as I was walking near it (a few years ago, I no longer have that light— not one of yours)

Quote:

A simple method of determining the location of electrical interference is by using a portable AM radio tuned to a quiet frequency at the lower end of the dial. You should hear static or a buzzing sound as you get close to the source of the interference. The closer you get, the more intense the static will be.
https://www.fcc.gov/consumers/guides/interference-radio-tv-and-telephone...

stephenk
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Will Sofirn start selling on Amazon Australia?

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manithree wrote:
I thought “COOL! A light that will use 4 NiMh AAs or 4 Lithium 14500’s!” and placed an order. Then I looked more closely at this thread and the description page, and the seller verified that it won’t use 3.7v 14500 batteries.

So, I’ll be getting a refund for now. I realize 14500 is, technically, the size of a AA, but that seems pretty shady and misleading to so prominently display that in the description since the commonly accepted meaning of 14500 is the lithium rechargeables. But maybe I’m wrong.

Eww. I don’t even trust 2 Li cells in series, so why would you want 4 in series??

All the headaches with matching them, balancing them, etc., just seems like too much of a risk to put the “fire” in “UltraFire”…

I got the Thorfire TK4As, and they’re damned nice for the price. Didn’t find out until after that there was a Sofirn equivalent. Big Smile

Get it, run eneloops in it, you won’t be disappointed.

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Sofirn
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Thank you very much for you guys kindly feedback of Sofirn light.

SF11 was something wrong in June but we have completely destroyed that products on Amazon and made improvement.

If you met any problem or question, please feel free to contact the sales servers and they will do their best to assist you to solve your problem as soon. We 100% stand with our customers.

Have a nice time on BLF Party

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Lightbringer
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Would a new version of the SF11 be coming out soon?

I’m getting to like that form-factor, and it’s just a nice simple but elegant design. Very clean.

Improving on the TK4A would make the SF11(A?) a winner. Keep the same UI as the TK4A, but make doubleclick turbo/100% instead of strobe, so this way you’d have instant access to both its lowest and highest settings.

The reflector of the TK4A seems to have some very fine leftover machining marks, making the beam slightly ringy. Smooth it out, and you’d have a perfect beam!

And it definitely needs 2 screws to hold down the emitter. Big Smile

And 4000K-4500K would be perfect!

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Mike C
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Tracy, do you only provide these deals with codes by Amazon? I get get anything shipped to Sweden from Amazon. Can you offer discount codes on AliExpress or similar?

BT100
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Hi Tracy
I would like to buy a sp10b from amazon. Do you have a discount code for this ??
Thank You

PM me if you can.

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BT100 wrote:
I would like to buy a sp10b from amazon. Do you have a discount code for this ??

See post #1 here. Got all colors, too!

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