Sofirn SP10B - Impact resistance issues?

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MascaratumB
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Sofirn SP10B - Impact resistance issues?

Well, a fellow member contacted me telling that after a small fall (+/- 35cm) his Sofirn SP10B stopped working.

I was going to write him a reply to eventually help in some troubleshooting, but then I decided to do the same to mine. So I left it fall for more or less 50cm.
Result: my SP10B also stopped working.

I opened it to see if any thing inside was broken (even the short wires), and it wasn’t, at least apparently. Even so, I soldered new wires to the driver and led, and put it back together again.
Result: didn’t work.

Then I started to move the switch (with the light properly assembled), and sometimes it was working, acting like a momentary “on”, but with flickers and not continuously. I re-opened it, added some solder near the switch, and closed it again.
Result: yup, it still doesn’t work.

So I’m making this thread with 3 motives:
1) ask: did anyone have the same kind of issue, letting the SP10B fall and then it stopped working?

2) warn owners of this light that it may suffer from an issue related to impact resistance, not being well protected, and provoking internal damage.

3) ask about warranty: can a small fall like the one from the other member be considered “user’s fault” and therefore not being considered “covered” by the manufacturer’s warranty?
Mine was my fault and I left it on purpose, but not his…

Also, I tested the Sofirn SF14, and it kept working correctly after 2 falls from above 1 meter! As well as my Amutorch S3, Olight S1R, Manker E11…

Thanks for the answers in advance

REVIEWS : Amutorch S3 /  AM S3 vs Neal 219c  /  Amutorch AM30 / Nitefox UT20 / Sofirn SF14 & SP10A / Sofirn SP32A / Sofirn SP10B / Odepro KL52 / Acebeam H20 / SS AAA / Wuben TO10R / BlitzWolf BW-ET1 / Odepro B018 / DQG Slim Ti / XTAR PB2 Charger / Nitefox ES10K / Nitefox K3 / Amutorch AX1 / Amutorch VG10 / Olight M2R Warrior  / OTR M1

Mods and tricks: 1 / 2 / 3 / 4 / 5 / 6 / 7     Convoy S2+ TIR Lenses: XML2 / XPL-HI     Others: Convoy S2+ Mini (Biscotti 3 & 1*7135)     Sofirn K6 Discussion: 1 / 2 / 3    Triple TIR & XP-G2                   MY GIVEAWAY (FW3A) = ACTIVE

DB Custom said: "Hide your billfold, cut up your credit cards... you're a perfect candidate for full blown flashaholism and will soon need dedicated flashlight cabinets. [...] Have fun! Modding is next... :P" 

 

Edited by: MascaratumB on 02/05/2018 - 12:52
Satan@103TFS
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Too bad just order one Facepalm

MascaratumB
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Satan@103TFS wrote:
Too bad just order one Facepalm

It is still a great light, despite this problem! But be sure to hold it well so it doesn’t fall !!!

REVIEWS : Amutorch S3 /  AM S3 vs Neal 219c  /  Amutorch AM30 / Nitefox UT20 / Sofirn SF14 & SP10A / Sofirn SP32A / Sofirn SP10B / Odepro KL52 / Acebeam H20 / SS AAA / Wuben TO10R / BlitzWolf BW-ET1 / Odepro B018 / DQG Slim Ti / XTAR PB2 Charger / Nitefox ES10K / Nitefox K3 / Amutorch AX1 / Amutorch VG10 / Olight M2R Warrior  / OTR M1

Mods and tricks: 1 / 2 / 3 / 4 / 5 / 6 / 7     Convoy S2+ TIR Lenses: XML2 / XPL-HI     Others: Convoy S2+ Mini (Biscotti 3 & 1*7135)     Sofirn K6 Discussion: 1 / 2 / 3    Triple TIR & XP-G2                   MY GIVEAWAY (FW3A) = ACTIVE

DB Custom said: "Hide your billfold, cut up your credit cards... you're a perfect candidate for full blown flashaholism and will soon need dedicated flashlight cabinets. [...] Have fun! Modding is next... :P" 

 

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I would try to reflow led,maybe there is the weakness ..

jon_slider
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MascaratumB wrote:
after a small fall (+/- 35cm) his Sofirn SP10B stopped working. … I decided to do the same to mine. So I left it fall for more or less 50cm. Result: my SP10B also stopped working.

that was very kind of you, to share his pain..

try stretching the spring
Ive had that solve a problem with a dropped light before
I hope it works

Thanks for the warning, Im not going to test drop my TK05, (looks very similar to the SP10)..

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NikolaS wrote:
I would try to reflow led,maybe there is the weakness ..

Hum, just tried to change the whole board and led, didn’t work… Sad Thanks of the suggestion!!

jon_slider wrote:
that was very kind of you, to share his pain..

try stretching the spring
Ive had that solve a problem with a dropped light before
I hope it works

Thanks for the warning, Im not going to test drop my TK05, (looks very similar to the SP10)..
!{width:90%}https://farm5.staticflickr.com/4618/40102465551_b76d99bb5a_h.jpg!

Thanks jon_slider, but it also didn’t work… I think the problem may be somewhere in the switch!
Sometimes it works when pressing, but it flickers, and sometimes it is higher others are in almost ML mode…

I’ll probably replace the driver (again)! Or maybe I quit this one and wait for the next good AA/14500 flashlight..

About my question # 3 on post #1, does anyone have a clue about “warranties”?

Thanks in advance Thumbs Up

REVIEWS : Amutorch S3 /  AM S3 vs Neal 219c  /  Amutorch AM30 / Nitefox UT20 / Sofirn SF14 & SP10A / Sofirn SP32A / Sofirn SP10B / Odepro KL52 / Acebeam H20 / SS AAA / Wuben TO10R / BlitzWolf BW-ET1 / Odepro B018 / DQG Slim Ti / XTAR PB2 Charger / Nitefox ES10K / Nitefox K3 / Amutorch AX1 / Amutorch VG10 / Olight M2R Warrior  / OTR M1

Mods and tricks: 1 / 2 / 3 / 4 / 5 / 6 / 7     Convoy S2+ TIR Lenses: XML2 / XPL-HI     Others: Convoy S2+ Mini (Biscotti 3 & 1*7135)     Sofirn K6 Discussion: 1 / 2 / 3    Triple TIR & XP-G2                   MY GIVEAWAY (FW3A) = ACTIVE

DB Custom said: "Hide your billfold, cut up your credit cards... you're a perfect candidate for full blown flashaholism and will soon need dedicated flashlight cabinets. [...] Have fun! Modding is next... :P" 

 

Sofirn
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Hello Guys,

Please feel free to contact us via Amazon or Aliexpress if you met issues about the Sofirn SP10A/B.We will do the related replacement or refund. We would like to make it right for all customers. Moreover, we will try to test this issues again that via video.

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

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MascaratumB
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Tracy Wan—-Sofirn wrote:
Hello Guys,

Please feel free to contact us via Amazon or Aliexpress if you met issues about the Sofirn SP10A/B.We will do the related replacement or refund. We would like to make it right for all customers. Moreover, we will try to test this issues again that via video.

Hi Tracy!

Thank you for your message and for stepping in to help on this situation.
As I mentioned above, the damage inflicted on mine it was my fault, to test the resistance, despite it was way below the 1 meter resistance advertised.
However, the other member’s flashlight it was a small fall (35cm) and so I hope you can solve that for him.

I will pass him this message and tell him to contact you through AliExpress or Amazon!

Thanks for helping out! Thumbs Up

REVIEWS : Amutorch S3 /  AM S3 vs Neal 219c  /  Amutorch AM30 / Nitefox UT20 / Sofirn SF14 & SP10A / Sofirn SP32A / Sofirn SP10B / Odepro KL52 / Acebeam H20 / SS AAA / Wuben TO10R / BlitzWolf BW-ET1 / Odepro B018 / DQG Slim Ti / XTAR PB2 Charger / Nitefox ES10K / Nitefox K3 / Amutorch AX1 / Amutorch VG10 / Olight M2R Warrior  / OTR M1

Mods and tricks: 1 / 2 / 3 / 4 / 5 / 6 / 7     Convoy S2+ TIR Lenses: XML2 / XPL-HI     Others: Convoy S2+ Mini (Biscotti 3 & 1*7135)     Sofirn K6 Discussion: 1 / 2 / 3    Triple TIR & XP-G2                   MY GIVEAWAY (FW3A) = ACTIVE

DB Custom said: "Hide your billfold, cut up your credit cards... you're a perfect candidate for full blown flashaholism and will soon need dedicated flashlight cabinets. [...] Have fun! Modding is next... :P" 

 

NT45
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Hello everyone!
First let me thank you @MascaratumB for helping me out ! Your support and dedication is amazing and you really help make this place even better. Obrigado BeerWink

The SP10B is a light that I immediately felt in love with. Very compact, good NW tint, lightweight, nice moonlight ( 1 lumen with Ni-mh batteries ) and in my opinion a decent mode spacing. 1-20-70-270 was perfect for me (I just used it with Ni-mh batteries , I don’t have a 14500 with me, yet ).
I am really careful with the things i like (maybe a little obsessive sometimes Facepalm ) and never let it fell.

But when exiting my car it felt from a compartment on the door of the car and hit the ground with an angle of 45º degrees . Angry As you can see on the images it was between 35-40cm .

https://imgur.com/a/XUnM3

Initially i was not that much worried, it was a small drop and the floor is not concrete, it’s a tiled floor. And from my experience with flashlights , such a small drop isn´t enough to make a flashlight stop working.
But when I pick it up and try to turn it on it doesn’t. I change the batteries, use alkalines , other Ni-mh, nothing .
But externally I couldn’t , and still can’t understand what’s the problem. The glass is intact; LED in on place; the rings make contact ( i used a Multimeter to test it ); the side switch feels normal, it clicks normally and I can’t listen anything differente with it when shaking it ; the spring is OK as far as i can see ( https://imgur.com/a/jxe1R) .

On the manual, the rated impact resistance is 1 meter. It felt 35-40cm without spinning or rotating. And that made me thinking that it could be a design flaw or some other problem because i haven’t seen such a thing happen, even with an incandescent light!
I decide to tell this to my friend MascaratumB and he decides to risk his own flashlight (thank you !! ) to help me and give me some more information and the rest you know, he described it very well on his post. Smile

I contacted Sofirn on Aliexpress and after some talk (Qidong Yang) helped me and thankfully believed on me. He asked me to send them my flashlight in order to analyse what went wrong and meanwhile they sent me a new SP10B that is on his way.
I agreed and as soon as I can I will send it ( it’s my first time sending something Internationally and I didn’t knew exactly how to do it Facepalm ) , I expect to ship it this Thursday !
I hope that this is helpful to other buyers of the SP10B and that helps Sofirn to find the problem and correct it on new generations of this flashlight to come.
@Tracy Wan—-Sofirn ,you have a amazing flashlight here, correct this problem and keep this attitude of standing solidly behind yours flashlights because on the long term with will be very positive for Sofirn and for it’s grow, on my opinion.

Thanks,

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Glad you told the story in the “first person” NT45!!
And I’m glad that Sofirn – here and in AliExpress – stepped in to solve the situation! More points to them on my book for manufacturers Wink

I hope you get your new light soon! I will probably buy a new driver for mine Thumbs Up

REVIEWS : Amutorch S3 /  AM S3 vs Neal 219c  /  Amutorch AM30 / Nitefox UT20 / Sofirn SF14 & SP10A / Sofirn SP32A / Sofirn SP10B / Odepro KL52 / Acebeam H20 / SS AAA / Wuben TO10R / BlitzWolf BW-ET1 / Odepro B018 / DQG Slim Ti / XTAR PB2 Charger / Nitefox ES10K / Nitefox K3 / Amutorch AX1 / Amutorch VG10 / Olight M2R Warrior  / OTR M1

Mods and tricks: 1 / 2 / 3 / 4 / 5 / 6 / 7     Convoy S2+ TIR Lenses: XML2 / XPL-HI     Others: Convoy S2+ Mini (Biscotti 3 & 1*7135)     Sofirn K6 Discussion: 1 / 2 / 3    Triple TIR & XP-G2                   MY GIVEAWAY (FW3A) = ACTIVE

DB Custom said: "Hide your billfold, cut up your credit cards... you're a perfect candidate for full blown flashaholism and will soon need dedicated flashlight cabinets. [...] Have fun! Modding is next... :P" 

 

Lightbringer
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Eep! I think switches may be the weak link in any light, ‘cause of my recent experiences with a TK4A. Slap-therapy helped it, though, and it’s working fine now.

Other possibilities might be loosening the driver and breaking the connection to ground. Jiggling it, reseating it, tightening any retaining ring(s), etc., might fix it.

I had driver issues look like a switch problem, switch issues look like a driver problem, etc. Once I was kinda panicked that my trusty SF31W might be going mental, but it was just a loose retaining ring that was holding in the driver. (No ground, no light.) Snugging it up carefully fixed it and it hasn’t misbehaved since. Whew! Big SmileBeer

The tough part about side-clickies is that you can’t just take the switch out of the equation by jumpering it with a key or screwdriver. If it doesn’t light up, it just doesn’t light up.

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MascaratumB wrote:
2) warn owners of this light that it may suffer from an issue related to impact resistance, not being well protected, and provoking internal damage.

Thanks for the heads up. I was debating whether to take this light with me on my upcoming vacation. Now I know I am not going to. Smile
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If I were Sofirn I’d want those drivers sent back to me to figure out what’s going on . Same with the UT01 driver that has so many issues. what do these drivers have in common and is there a overall better design used by someone else ?

καὶ τὸ φῶς ἐν τῇ σκοτίᾳ φαίνει καὶ ἡ σκοτία αὐτὸ οὐ κατέλαβεν

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Hello!

No news about this issue?
Just pondering about buying 2 SP10B ore not.
I had them in the cart when I found this topic which previously escaped my attention.

Thanks!

Tactman
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i have ordered blue sp10b and hope for the best…couple of days ago mine sofirn sf10 drop from my lap while standing up from the sofa onto tile floor and nothing happens…flashlight still works…not a scratch…

but, to be honest, sf10 looks like the sturdiest of ALL sofirn flashlights be it sf or sp series…it looks it could survive quite a good beating Smile sp series looks fragile to me in general…

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korkfoto wrote:
Hello!

No news about this issue?
Just pondering about buying 2 SP10B ore not.
I had them in the cart when I found this topic which previously escaped my attention.

Thanks!

Hi korfoto! Welcome to BLF!

Well, about this issue, the only things I can tell you is that my friend managed to get a new flashlight from Sofirn. He sent the damaged light to Sofirn as well!
About me, I bought a new driver for the SP10B host and I bought a “new” SP10A Big Smile

I wanna believe that these were all some “not so good” examples and that Sofirn managed to / will improve their design Wink

REVIEWS : Amutorch S3 /  AM S3 vs Neal 219c  /  Amutorch AM30 / Nitefox UT20 / Sofirn SF14 & SP10A / Sofirn SP32A / Sofirn SP10B / Odepro KL52 / Acebeam H20 / SS AAA / Wuben TO10R / BlitzWolf BW-ET1 / Odepro B018 / DQG Slim Ti / XTAR PB2 Charger / Nitefox ES10K / Nitefox K3 / Amutorch AX1 / Amutorch VG10 / Olight M2R Warrior  / OTR M1

Mods and tricks: 1 / 2 / 3 / 4 / 5 / 6 / 7     Convoy S2+ TIR Lenses: XML2 / XPL-HI     Others: Convoy S2+ Mini (Biscotti 3 & 1*7135)     Sofirn K6 Discussion: 1 / 2 / 3    Triple TIR & XP-G2                   MY GIVEAWAY (FW3A) = ACTIVE

DB Custom said: "Hide your billfold, cut up your credit cards... you're a perfect candidate for full blown flashaholism and will soon need dedicated flashlight cabinets. [...] Have fun! Modding is next... :P" 

 

korkfoto
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Thank you!
Long time lurker, first time poster here. Smile
I reckon that I’ more concerned as I want one of them to be gift for somebody.
How is the “new” SP10A performing? I think you didn’t try to drop it as well. Big Smile

MascaratumB
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korkfoto wrote:
Thank you! Long time lurker, first time poster here. Smile I reckon that I’ more concerned as I want one of them to be gift for somebody. How is the “new” SP10A performing? I think you didn’t try to drop it as well. Big Smile

Eheh, glad you posted Wink
Well, the “new” SP10A is still on the way as I ordered it last wednesday Big Smile
The old SP10A, I gave it to my girlfriend but never tried to drop it, so I don’t know how tough it would be LOL

But the new one…I’ll try not to drop it Silly

REVIEWS : Amutorch S3 /  AM S3 vs Neal 219c  /  Amutorch AM30 / Nitefox UT20 / Sofirn SF14 & SP10A / Sofirn SP32A / Sofirn SP10B / Odepro KL52 / Acebeam H20 / SS AAA / Wuben TO10R / BlitzWolf BW-ET1 / Odepro B018 / DQG Slim Ti / XTAR PB2 Charger / Nitefox ES10K / Nitefox K3 / Amutorch AX1 / Amutorch VG10 / Olight M2R Warrior  / OTR M1

Mods and tricks: 1 / 2 / 3 / 4 / 5 / 6 / 7     Convoy S2+ TIR Lenses: XML2 / XPL-HI     Others: Convoy S2+ Mini (Biscotti 3 & 1*7135)     Sofirn K6 Discussion: 1 / 2 / 3    Triple TIR & XP-G2                   MY GIVEAWAY (FW3A) = ACTIVE

DB Custom said: "Hide your billfold, cut up your credit cards... you're a perfect candidate for full blown flashaholism and will soon need dedicated flashlight cabinets. [...] Have fun! Modding is next... :P" 

 

pennzy
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The led on my first one came off. Sofirn sent me a new one no questions asked. Didn’t want the old one back. Gave me a good opportunity to learn how to reflow an emitter. Now I have 2 . Big Smile They are nice little lights with nice neutral even beam patterns.

Lightbringer
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I’ve been EDCing mine in my pocket for quite a while already, and no problems so far, thank B’harni (pbuh!).

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korkfoto
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Lightbringer wrote:
I’ve been EDCing mine in my pocket for quite a while already, and no problems so far, thank B’harni (pbuh!).

But you did not drop it, neh? Smile

Lightbringer
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korkfoto wrote:
Lightbringer wrote:
I’ve been EDCing mine in my pocket for quite a while already, and no problems so far, thank B’harni (pbuh!).

But you did not drop it, neh? Smile

Thankfully, no. I try not to.

Frankly, unless I do it up myself, pot the driver, seal everything up tight, I don’t count on any claims of drop-resistance, water-tightness, etc. Some bozo at the factory could run short of O-rings and keep assembling lights without them anyway, y’know? So even if everyone else’s is perfectly water-tight, you might be one of the lucky 0.1% whose light is missing a critical O-ring. And unless you take it apart first, or give it an unfortunate dunk, you’ll never even know.

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korkfoto
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pennzy wrote:
The led on my first one came off.

How did that happen? Shocked

pennzy
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korkfoto wrote:
pennzy wrote:
The led on my first one came off.

How did that happen? Shocked


Just happened. One day it stopped working. Unscrewed the head to find the emitter off.
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Pete7874 wrote:
Thanks for the heads up. I was debating whether to take this light with me on my upcoming vacation. Now I know I am not going to. Smile

Take more than one light…. or get a Zebralight and drop it as much as you like
Firelight2
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I’m impressed with Sofirn’s attention to this thread. Cool

It sounds like their light has a problem, but they are taking direct action to address it. Hopefully, they’ll figure out what is causing the problem and fix it for future manufacturing runs.

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I bought an SP10A and a SP10B. They both arrived today. The SP10A failed with the same symptoms as reported in the OP. The difference is I didn’t drop it. I just swapped the AA NiMH for a 14500 and the flashlight flickered and quit. It tried to start a few times but is now inert.
I’m thinking bad switch or flaky driver. This one will be going back to Amazon for replacement.

Tactman
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ahh, you guys are gonna make me regret my decision to order blue sp10b Facepalm i am thinking maybe better choice was to get another sf10, it is cheaper and looks more reliable…

pennzy
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cypherz wrote:
I bought an SP10A and a SP10B. They both arrived today. The SP10A failed with the same symptoms as reported in the OP. The difference is I didn’t drop it. I just swapped the AA NiMH for a 14500 and the flashlight flickered and quit. It tried to start a few times but is now inert.
I’m thinking bad switch or flaky driver. This one will be going back to Amazon for replacement.

Check to see if the emitter is attached. The head has to be removed because the spacer will hold it in place with reflector in it. Mine flickered before it died. I’m guessing cold solders.
djozz
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I have a blue and a red SP10B on order, when they arive I will do some throwarounds on the oak floor and see how they fare after that.

link to djozz tests 

“I used to think that top environmental problems were biodiversity loss, ecosystem collapse and climate change. I thought that thirty years of good science could address these problems. I was wrong. The top environmental problems are selfishness, greed and apathy, and to deal with these we need a cultural and spiritual transformation. And we scientists don’t know how to do that.”   (Gus Speth)

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I took my chance and I ordered 1 red and 1 blue.
The waiting process begun. Smile

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