Review: Lumintop SD10 1D/3x AA/32650/26650/18650 "Household Searchlight"

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jmpaul320
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Lumintop SD10 "Household Searchlight" Review

Reviewer's Overall Rating:  ★★★★★

 

Summary:

Battery: 3x AA, 1x D, 1x 18650/26650/32650
Switch: Electronic side switch
Modes: L/M/H with memory, hidden strobe (double click)
LED Type: XM-L2 T6 Cool white
Lens: AR coated lens
Tailstands: Yes
Price Paid: $53
From:hkequipment
Date Ordered: 7/12/13 (received 7/31/13)

 

Pros:

  • Runs on basically any battery config you could imagine
  • Low mode is in fact low enough
  • Easy lockout prevents parasitic drain (loosen tail cap 1/4 turn)
  • Good build quality (except battery carrier)

Cons:

  • Might be a tad on the expensive side for some.
  • Might be difficult to mod?? - more on this later
  • No reverse polarity protection
  • Battery carrier is cheap and not well built.

Manufacturer specs:

SD10 is one of the world’s smallest, lightest and brightest 32650 searchlight. It is compatible with a wide range of batteries through intelligent control, and thus it has different outputs based on different battery types. It ensures not only enough brightness but also product stability and long runtime. With premium CREE XM-L2 T6 LED, its output reaches up to 800 lumens.

 

 

 

Construction:
1. Coated tempered window resists impact.
2. Aerospace aluminum uni-body design combined with a stainless steel retaining ring offers superior impact resistance. Mil-Spec hard-anodized. O-ring Sealed.
3. Front side switch.
4. Superb heat release system provides excellent heat transport capacity.
5. Slip-resistant body design.
6. Lengthened lanyard hole with tail-standing design.

 

 

 

Operation:
A. OFF State:
Press and hold the front side switch for more than 0.5 seconds to turn on the light, while another press for 0.5 seconds will turn the light off.
B. ON State:
Click the front side switch to switch between 3 output modes: High, Medium and Low. Double click the switch to enter into Strobe mode, after another click, the light will go back to original brightness. It memorizes last brightness level when the light is turned off, while Strobe will not be memorized.

 

 

 

Note:Putting the SD10 battery carrier into the body reversely may cause a breakdown in the circuit.

 

Length

4.69 inches (120.3mm)

Diameter

1.56 inches (40mm)

Weight

4.03 ounces (115g)

 

 

 

 

 

Features / Value:  ★★★★★

Light arrived sealed in a bubble envelope in a nice box with extra o-ring and a lanyard.

 

This light runs on any batteries pictured below!

 

The light will run on any of the following batteries: 1x 18650 (with a 26650 spacer), 1x 26650 (protected might not work depending on cell length), 1x 32650 (feilong unprotected), 3x AA (nimh or alkaline), and 1x D size alkaline.

I did try to fit a C size battery, but the cell is too short to make contact on the negative spring and would need a spacer.

I did not try 3x AA lithium as I do not have any on hand.

 

Design / Build Quality: ★★★★

Threads are square and do not wobble.

Switch is a little on the "squishy" side, but works fine and glows a nice green when you press down on it. It would have been nice if this switch always glowed green when batteries were inserted. (like the terminator). Switch is electronic and can easily be locked out by loosening the tail cap a quarter turn.

Knurling is adequate and provides sufficient grip.

Emitter is well centered and the lens is AR coated Smile - note I believe the bezel can be unscrewed and removed to access the emitter. I do not have a way to open the bezel without fear of scratching it, but I suspect you modders could access the emitter through the bezel. The reflector is shallow enough where I believe it wouldn't be too hard to swap the emitter through the front of the light.

Other thoughts:

The reason for the 4 star rating is the battery carrier. Frankly - its a piece of crap. It does get the job done, but it made of plastic and has puny springs. It will wobble around in the light as well since the battery compartment of the light is larger than the carrier itself. I would have liked to see something along the lines of the battery carrier the Xintd x3 uses - especially since this is a $53 light.

Battery Life: Not reviewed.

I have not done extensive runtime testing with batteries yet. Here are the manufacturer specs though.

Battery type

1×32650

3×AA

1×D

Low output / runtime

10lm / 280h

10lm / 150h

2lm / 60days

Medium output/ runtime

100lm / 26h

100lm / 15h

30lm / 80h

High output/ runtime

800lm / 7.5h

500lm / 6h

200lm / 7.2h

 

 

 

 

 

Light Output:  ★★★★★

For its size, the SD10 does quite well. Output on high on any battery config is enough to light up my living room. The low mode on any cell config is also "low enough" for you moonlight mode freaks as well.

Here are some comparative ceiling bounce numbers for reference.

1x D alkaline

L - 0.1 lux

M - 4.5 lux

H - 19.3 lux (18.5 lux @ 30 sec)

3x AA eneloop

L - 0.8 lux

M - 8.8 lux

H - 62.8 lux (59.0 lux @ 30 sec)

1x Li-Ion

L - 0.8 lux

M - 10.2 lux

H - 76 lux (73.8 lux @ 30 sec)

 

Here is a shot on high (I took more photos of the different output levels, but I really do not like the way they came out - I am still figuring out my new camera)

 

One last note - the hot spot of this light is slightly on the "square" side - I believe this is due to the shallow reflector and the XML2's square die shape. This does not bother me at all and does not detract from the light in any way - but I felt it was worth mentioning. I tried measuring current - but I my cheap multimeter/leads are not up to the task. Sorry!

 

Based on the "relative" ceiling bounce numbers and comparison to other lights I feel the manufacturer's lumen claims to be accurate.

 

Summary:  ★★★★★

This is a great light - It will run on basically any type of battery you want and provide a good amount of usable light on any output setting. Tint is cool white & free of any purples/greens etc. The cheap battery carrier can be overlooked as it really has not interfered with the general day to day use of my light. I regularly use 3x eneloops with no issues. Is this light worth $53? To me it is. I have seen this light for sale at wallbuys for $45 during an "instant kill" sale - so it is probably possible that we will see some prices in the high $40s in the future.

jmpaul320
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reserved.

reserved.

jmpaul320
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here is another review with

here is another review with some additional information

http://www.candlepowerforums.com/vb/showthread.php?368500-Lumintop-SD10-…

vēer
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Thanks for your review,

Thanks for your review, jmpaul320, well done Wink!

I hope you will be able to provide some tailcap measurements and also see how much the output Amp draw sags over time!

It seems that you love yours, good to know that its a decent light!

Cheapest one Ive seen is 47$ shipped, others sell at well above 50$, probably due to MAP restrictions.

One question – how is the PWM on med/low modes? According to review at CPF it says that it has ugly PWM on low and slightly noticeable on medium?

Also, Ive found out at this russian forum that someone has supposedly replaced its emitter with XP-G2 and that it uses some sort of sticky compound instead of hard one to glue parts together, so at least we know that someone has done successfull emitter swap!

Also, couple of posts lower it is said that Lumintop has confirmed that this light should work with 4*AA and that FT’s 4*AA holder will be used by forum member to try it out. Interesting…

jmpaul320
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vēer wrote:Thanks for your

vēer wrote:
Thanks for your review, jmpaul320, well done Wink!

I hope you will be able to provide some tailcap measurements and also see how much the output Amp draw sags over time!

It seems that you love yours, good to know that its a decent light!

Cheapest one Ive seen is 47$ shipped, others sell at well above 50$, probably due to MAP restrictions.

One question – how is the PWM on med/low modes? According to review at CPF it says that it has ugly PWM on low and slightly noticeable on medium?

Also, Ive found out at this russian forum that someone has supposedly replaced its emitter with XP-G2 and that it uses some sort of sticky compound instead of hard one to glue parts together, so at least we know that someone has done successfull emitter swap!

Also, couple of posts lower it is said that Lumintop has confirmed that this light should work with 4*AA and that FT’s 4*AA holder will be used by forum member to try it out. Interesting…

I am sensitive to PWM – I do not notice any dizzying effects or flickering on any mode.

Good to know about the emitter!

And also good to know about the 4AA carrier option – this means the light should work fine on 3 AA lithiums and the driver will accept up to ~6v

C-channel
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So high score? Sounds like a

So high score? Sounds like a perfect light.
Nice review. Thanks…

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sesgum
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Thank you for the nice

Thank you for the nice review! It is especially interesting that it takes d cells and lasts 7 hours at 200 lumens.

gords1001
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I’m glad I’ve maxed my PayPal

I’m glad I’ve maxed my PayPal for now or I’d definitely be ordering one of these

jmpaul320
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sesgum wrote:Thank you for

sesgum wrote:
Thank you for the nice review! It is especially interesting that it takes d cells and lasts 7 hours at 200 lumens.

its 200 lumens on a fresh d cell

the output will taper over time

I believe ansi specs are runtimes to 5% output

vēer
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Let me just add that one

Let me just add that one thing this light should have but doesnt is holster.

I would like to see NW/WW version released too.

baldo21
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Thank you for the

Thank you for the review.
After my experience with Super Storm Sandy, I made sure to purchase 4 of the SD10.
To me the SD10 is a real emergency illumination instrument.
Cosmetic appearance, thousands of lumens and miles of reach is all child play in a real SHTF situation.

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baldo21 wrote:Thank you for

baldo21 wrote:
Thank you for the review.
After my experience with Super Storm Sandy, I made sure to purchase 4 of the SD10.
To me the SD10 is a real emergency illumination instrument.
Cosmetic appearance, thousands of lumens and miles of reach is all child play in a real SHTF situation.

yes i agree – same reason why i bought this like – was out of power for 9 days during irene

welcome to blf

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Great review, jmpaul 320!I

Great review, jmpaul 320!I think this is the ultimate bug out bag flashlight with a myriad of power options.The AA battery carrier is really disappointing in the fact that you get these carriers with "cheapo" lights.I'm glad to see that you couldn't notice PWM because it would be a definite deal breaker for me.Thanks for the review and congrats on the new camera,lol.

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Still I will hold out and see

Still I will hold out and see what other SD10 owners say about PWM, there should be few of them here at BLF Laughing out loud!

spaceboy
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Here is a carrier you can use

Here is a carrier you can use with this light running the 3 AA in parellel rather than series, for longer run time:

http://www.ebay.co.uk/itm/181152170832?ssPageName=STRK:MEWAX:IT&_trksid=…

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Thanks for the review

Thanks for the review jmpaul320. Its a very interesting little light.

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jmpaul320 wrote: Thanks for

jmpaul320 wrote:


Thanks for the review. How did you make this graph?

jmpaul320
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spaceboy wrote:Here is a

spaceboy wrote:
Here is a carrier you can use with this light running the 3 AA in parellel rather than series, for longer run time:

http://www.ebay.co.uk/itm/181152170832?ssPageName=STRK:MEWAX:IT&_trksid=…

!http://imageshack.us/a/img138/1236/x74q.jpg!

interesting! so with 3 eneloop you should get about 6 amp hours +/-

thats about half what a D cell is i believe but still another cool option!

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Moonface wrote:jmpaul320

Moonface wrote:
jmpaul320 wrote:


Thanks for the review. How did you make this graph?

the graph is from another review on CPF – i have no idea how to do such a thing LOL

spaceboy
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jmpaul320 wrote:spaceboy

jmpaul320 wrote:
spaceboy wrote:
Here is a carrier you can use with this light running the 3 AA in parellel rather than series, for longer run time:

http://www.ebay.co.uk/itm/181152170832?ssPageName=STRK:MEWAX:IT&_trksid=…

!http://imageshack.us/a/img138/1236/x74q.jpg!

interesting! so with 3 eneloop you should get about 6 amp hours +/-

thats about half what a D cell is i believe but still another cool option!

Depends on the capacity of the D cell. You could use 3 Turnigy 2400mAh AA

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Nice Review any good sources

Nice Review Smile any good sources selling this light ?

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nice review, nice light, nice

nice review, nice light, nice camera work….glad you got one.
i really like the size and look of this light, just not the price tag it comes with. still a maybe though, ill see.

spaceboy
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blueb8llz wrote:nice review,

blueb8llz wrote:
nice review, nice light, nice camera work….glad you got one.
i really like the size and look of this light, just not the price tag it comes with. still a maybe though, ill see.

I agree. I like everything except the price.

jmpaul320
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i think we will start seeing

i think we will start seeing these pop up on wall buys and other vendors soon… i would expect to see these drop into the 40$ price range soon

spaceboy
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I’ll buy when they go under

I’ll buy when they go under $25

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spaceboy wrote:I’ll buy when

spaceboy wrote:
I’ll buy when they go under $25

IMO not likely to happen, unless some magical mega-group buy happens, for that price Id buy 2 or 3 Laughing out loud!

BTW, Wallbuys has it for 59$, not cheap.

Cheapest Ive found, as I said earlier, has been 47$ Wink!

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Mine failed to work after 20 days

I bought mine from hkequipement.net on 3 Aug 13.

Start using it from 24 Aug13. Use it every day as night light. Using low mode with a silicon diffuser.

Then two days ago (12 Sep 13), it suddenly refuses to turn on. The power switch still give green light when press on.

Tried with 3 x AAA with adaptor, Li-Ion 32850, D Cell and 1 x AA using AA to D Cell adaptor but the SD10 still won’t turn on.

Superior
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KD

KD has it for lowest price now – http://kaidomain.com/product/details.S022428

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Just wondering if 10 lumens

Just wondering if 10 lumens will satisfy the ‘low is not low enough’ crowd, of which I may be a member. Wink

leaftye
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tallboybass wrote:Just

tallboybass wrote:
Just wondering if 10 lumens will satisfy the 'low is not low enough' crowd, of which I may be a member. ;)

Not even close, not unless there's a firefly mode below it.

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leaftye wrote:tallboybass

leaftye wrote:

tallboybass wrote:
Just wondering if 10 lumens will satisfy the ‘low is not low enough’ crowd, of which I may be a member. ;)

Not even close, not unless there’s a firefly mode below it.


I had a feeling, Mr.“The low mode should be lower.” Wink

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