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Title Author Replies Last Postsort icon
4.3v charger options for multiple cells ??? FmC 10 04/18/2014 - 15:35
Can someone explain the Heartbleed vulnerability? flashination 33 04/18/2014 - 15:35
*FS: MT-G2 on Noctigon + Qlite Driver w/Zener Mod and 5 added chips tallboybass 8 04/18/2014 - 15:34
Best flood light <$100 aoeu 54 04/18/2014 - 15:15
DIY Titanium Light Built from Scratch - WIP (Complete) sinner 9 04/18/2014 - 15:12
WALLBUYS SMAL SUN ZY-T08 and ZY-T13 Group buy - CLOSED +MT-G2 mod soon! SEE POST #26 Old-Lumens 65 04/18/2014 - 15:11
Sunwayman D40A XM-L2 980 Lumens (4xAA)----- $49.99 Shipped ----- CW or NW --- Lowest price ever! blfdemigod 39 04/18/2014 - 15:03
Bench Power supply - any recommended? Tom E 25 04/18/2014 - 14:53
Mini review of MINI :D Sirius9 59 04/18/2014 - 14:36
Caution: Wallbuys "New Arrivals" TexasToasted 16 04/18/2014 - 14:27
RMM's Sales: Noctigon - Batteries - XTAR Chargers -XinTD V4 - BTU Shocker- DQG Triple - Hosts - Drivers - Components - US Source RMM 1,556 04/18/2014 - 14:22
Get the Convoy C8 AK47 from Banggood (8*7135) Rusty Joe 172 04/18/2014 - 14:19
Review: SingFire SF-326 (in progress) Sirius9 10 04/18/2014 - 14:16
Trustfire x6 SST90 $49.99 shipped (possible scam, read comments) Siskiyou 15 04/18/2014 - 14:09
Thrunite Ti turned itself on? Haterade 30 04/18/2014 - 13:58
New Mini AAA XP-G2 R5 CW/NW SS EDC Clicky – 140 Lumens John-Galt 25 04/18/2014 - 13:52
chipping a light down?? sedstar 3 04/18/2014 - 13:50
In search of 2 different lights. 1. large high output keep around the house like to replace a 3d maglite and 1. pocket light Acousticranger 13 04/18/2014 - 13:38
Hi! jealous57 12 04/18/2014 - 13:38
Beginner Amp Question Bright_Mike 13 04/18/2014 - 13:32
CREE Q5 300LM LED 3 Mode Zoomable Headlight - Mod to XM-L2 NW Mule garrybunk 23 04/18/2014 - 13:19
Build for stage effects Dead Goat 5 04/18/2014 - 13:11
MT-G2x3 TR-J19 90W zeremefico 23 04/18/2014 - 13:10
This will be my most powerful build yet. (12) XM-L2@3A Hyprmtr 105 04/18/2014 - 13:03
CLOSED! Group Buy: Starry Light SA-22 BLF Edition (NW emitter, better modes, faster PWM, BLF logo) _the_ 620 04/18/2014 - 12:46
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2nd. Annual BLF Scratch Made Light Contest is NOW OPEN

2nd. Annual BLF Scratch Made Light Contest

IS Now Officially Open

Hello everyone,

First things first, I need to do a little advertising. As you already know, all of the prizes this year are coming from Dealers who are well known in this forum. Here they are:

[26-MAR-2014] CPF discussion threads temporarily closed

Hi everyone,

At least for the time being, threads discussing CPF moderation issues and policies will be considered a controversial and divisive subject. I have taken the three main problem threads offline.

My intention is not to quell freedom of speech, but rather to extinguish the flames that have been raging here, which have resulted in hurt feelings, insults, and arguments between users that are normally a lot more amicable. These heated discussions haven’t achieved anything productive or enjoyable, and additionally have created a moderation nightmare for me.

My apologies to any who were offended in the arguments, and sorry for not stepping in sooner to put an end to the fighting.

Old-Lumens does it again! New tech fused into a traditional design and exuding generosity all over.

When Old-Lumens chose his BLF username, I imagine he was referring to old age. However, I interpret it as “Old style craftsmanship that produces a lot of lumens”. And I just received tangible proof of my definition in the mail today…

[13-DEC-2013] Another new server, another new hosting company, you know the drill!

Enough said. Smile

Apologies and thanks to everyone for their patience.

[02-NOV-2013] Performance improvements

Hi everyone,

I imagine that most of you have probably noticed that post submission has been a pretty pokey process lately. We were commonly observing delays of 5 to 20 seconds after hitting the post button. So I finally managed to do a bit of performance profiling, and I think I found the source of the hangup. (It was a subsystem that I never thought to check for performance issues.) So I made a fairly significant configuration change that seems to have greatly improved the speed of post submission. Please let me know how it works for you.

Thanks for your patience and support! Have fun.

Review: Lumintop SD10 (2nd generation) XM-L2 NW 1xD/3xAA/1x32650/1x26650/1x18650

Lumintop SD10 (2nd generation, NW emitter)

Reviewer's Overall Rating:  ★★★



Battery: 1xD / 3xAA / 1x32650 / 1x26650 / 1x18650
Switch:  Electronic Side Clicky
Modes:  Low - Med - High - (Hidden Strobe)
LED Type:  XM-L2, neutral white 3C bin
Lens:  "Coated tempered glass"
Tailstands:  Yes
Retail Price:  $52.99
From:  Review Sample
Date Received:  19-OCT-2013



  • Incredibly versatile battery compatibility
  • Superb runtime
  • Generally excellent design and build quality
  • Beautiful neutral white tint now available
  • Smooth beam profile with new orange peel reflector
  • Tailstands perfectly
  • Mode memory
  • Cool illuminated switch with much improved tactile feel


  • Somewhat expensive
  • No reverse polarity protection and no orientation marking
  • Briefly holding switch to turn on/off feels unnatural
  • Hidden strobe mode can still be activated by accident

[01-OCT-2013] Welcome yet again to yet another server!

Hi everyone,

The nice thing about being the administrator of BLF is that I frequently have the opportunity to welcome you to a new server. The bad part about being the administrator of BLF is that I frequently have to welcome you to a new server… Tongue Anyway, if you’re reading this message, you’re on the new server. It may not be any faster than the previous one, but the backend configuration should be much easier to maintain for the long run, and it should be a lot more reliable.

I did my best to make email notifications arrive reliably without being flagged as spam. But at any rate, there are far too many variables to take into account, and it’s very possible that some messages initially might end up in the spam folder. Please mark them as “not spam” if that happens. And please tell me how email notifications work for you.

You’ll probably see frequent brief periods of downtime as I continue to tweak settings and fix bugs.

As always, please let me know if you find any NEW bugs with this new configuration. Thanks for your patience! Have fun.

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

Lumintop SD10 "Household Searchlight" Review

Reviewer's Overall Rating:  ★★★★★



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
Date Ordered: 7/12/13 (received 7/31/13)



  • 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)


  • 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.

Review: UltraFire LZZ-F15


I received an UltraFire LZZ-F15 in the mail and I thought I would give a short review on it.


It will accept a 26650, an 18650 or 3xAAA batteries in it.

Reviewer's Overall Rating: ★★★1/2



Battery: 26650/18650/3xAAA
Switch: Tail Clicky
Modes: H/M/L/Strobee/SOS
LED Type: XML-U2
Lens: Glass
Tailstands: Yes
Price Paid: Gift
Date Ordered: 08-01-13

Test / Review: Unknown 17355 3.0V 1000mAh (Green)

Unknown 17355 3.0V 1000mAh (Green)


Official specifications:

  • Capacity: 1000mAh
  • Voltage: 3.0V
  • Rechargeable Times: Up to 500 times
  • Size: 33.5mm(Length ) x 17mm(Diameter )

Review: NIWALKER Vostro BK-FA01 & BK-FA02 (XM-L2 U2 / MT-G2 P0, 4x 18650...)

Click to view images at full resolution Wink

Battery: 18650 4x / 8x CR123
Modes: 7 (6 Light leves + strobe)
Switch: Magnetic Ring
Price: BK-FA01 $159.95 / BK-FA02 $179.95
Date: August 2013
Niwalker / RdL / Thread in ForoLinternas

Test / Review: Panasonic Pro Power AAA

Panasonic Pro Power AAA


Official specifications (I could not find any realspecifications):

  • Up to 80% longer lasting
  • Panasonic’s Pro Power battery offers premium energy for your personal appliances.
  • Developed to provide reliable and dependable power, any place any time.
  • The improved capacity of the new Panasonic Pro Power battery has up to 80% extra performance compared to last years Alkaline ranges.
  • Premium alkaline range: developed to provide reliable and dependable power, any place any time.
  • Ideal for high and medium drain appliances.

Review: CK36 Recoil Thrower

CK36 Recoil Thrower
Reviewer’s Overall Rating: ★★★★☆


Battery: 1×18650 (fits protected cell)
Switch: Rear, reverse clicky
Modes: 3-mode, no memory
LED Type: XR-E Q5
Lens: glass lens, uncoated
Tailstands: Yes
Price Paid: $13
From: http://dx.com/p/new-ck36-recoil-cree-xr-e-q5-350lm-3-mode-white-light-fl…
Date Ordered: Q4 2012

+This review (including the pictures) is made after using the light for half a year. The light arrived clean and undamaged from the factory. +

Extremely compact reflector
TIGHT beam

No pouch
Not extremely bright
No mode memory

Review: Sipik SK98 from Tmart


Tmart sent me this Sipik SK98 for review


It's a zoomie using an XM-L and a single 18650 battery.


Reviewer's Overall Rating: r1r1r1r1  




Battery: 18650
Switch: tail clicky
Modes: H/L/Strobe/SOS
LED Type: XM-L
Lens: Plastic Aspheric
Tailstands: Yes
Price Paid: Sample, lists for $12.95
Date Ordered: 08-12-13


Review: Charger ConttonPickers Dual 4.2V-4.35V

 CottonPickers Dual 4.2V-4.35V


CottonPickers has been making chargers for a long time, mostly he sells them on cpfmarketplace, but you can also sometimes find them in webshops. This model here is for some special LiIon batteries (LG 18650 D1 3000mAh (Pink) and Sanyo UR18650ZTA 3000mAh (Magenta)), but can also charge normal LiIon batteries, depending on a switch setting.

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