(Updated price)For sale: LD-3 driver

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led4power
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(Updated price)For sale: LD-3 driver

LD-3 driver info thread:

http://budgetlightforum.com/comment/1027741

 

Available as 3Amp, 6Amp, 9Amp and 12Amp, please specify current range when ordering!

Drivers are calibrated and tested before shipping.

Price:

14.9$/piece

12.9$ / 12.2€  pc (EU buyers can pay directly in € to avoid conversion fees)

 

 

Additional DIY parts (for price in € divide price in $ by 1.06)

Moonlight parts                        0.25$/set (for one driver)

2xLi-ion("6V") support parts     1.0$/set (for one driver)
3xLi-ion("9V") support parts     1.0$/set (for one driver)
4xLi-ion("12V") support parts   3.0$/set (for one driver)

 

 

30AWG 200C silicone wire        0.5$/set (25cm RED + 25cm BLACK)
Great wire for e-switch and NTC connections,super-flexible and high temp. resistant (picture with 22AWG for size comparison)

 

STANNOL 0.7mm HS10 solder wire     0.3$/25cm   

Probably one of the best solder wires for DIY,incredible flow, mirror-like finish!   

                            

Other

Soldering moonlight and/or 6V parts fee           1.0$/driver

Note: NTC resistors(1 per driver) for external overtemp. protection (optional feature) are included by default.

 

Shipping: Priority airmail shipping(pretty fast):  2$

              Registered shipping with tracking number :  5$

Estimated shipping times:

EU  3-5 days

World 5-20 days

Paypal fees-included

Paypal mail: 

 

Note:for Italy only tracked shipping is available

Thanks

Edited by: led4power on 03/13/2017 - 07:32
DB Custom
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Wonderful! I’m gonna need some, gotta figure out how many at this point. I’ll need all the bits to go with em so I’m figuring $28 each, shipped, Sound about right?

Will return when I get it figured out, might be a couple days cause I’m in the middle of something else…. Thanks Neven!!! Big Smile

Dale

KawiBoy1428
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Hey Neven, PM sent and thanks!! Wink

KB1428 “Live Life WOT”

CRX
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Very nice driver, thanks.

DavidEF
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Wish I had the excuse (and the money!) to buy some of these. Have fun, guys!

Reason is not automatic. Those who deny it cannot be conquered by it. Do not count on them. Leave them alone.
-Ayn Rand

hannesremo
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now this is exactly what I need! I need to power an xhp50 in a host that takes 18650 and 17mm driver, will buy this for sure awesome.

giorgoskok
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hannesremo wrote:
now this is exactly what I need! I need to power an xhp50 in a host that takes 18650 and 17mm driver, will buy this for sure awesome.

You will need 2× 18350 in series to operate the xhp50 , i hope you already know . Smile

hannesremo
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On the spec sheet it said, that you could solder a jumper on pin 1, for single cell operation. Otherwise 2 or more cells in series

giorgoskok
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With 1 cell you operate 3V leds like xp-e2 xp-g2 xp-l xm-l2 etc .

With 2 cells you operate 6V leds like xhp50 xhp70 etc .

This isn’t a boost driver so you can’t use 1 battery to operate a 6V led . That’s why you will need 2×18350 in the flashlight , with the 2-cell operation “pin” soldered and “6V parts” soldered.

hannesremo
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ah right.

Evgeniy
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From which country you ship this driver ?

mattlward
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My pair shipped from Croatia.

EDC rotation:
Convoy S2+, 6*7135, XM-L2 3D, 10 degree TIR, PilotDog lighted tailcap.
Convoy S2+, H17F, XM-L2 4C, lighted tailcap
Zebralight SC52w-L2
Olight S1A
Olight S1R

led4power
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Croatia, EU.

led4power
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Time for price update : 12.9$ / 12.2€ (EU buyer can pay in € to avoid conversion fees).

Details are in OP.

 

mattlward
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Oh… now they get cheaper… Mine made it to the US yesterday!!!

EDC rotation:
Convoy S2+, 6*7135, XM-L2 3D, 10 degree TIR, PilotDog lighted tailcap.
Convoy S2+, H17F, XM-L2 4C, lighted tailcap
Zebralight SC52w-L2
Olight S1A
Olight S1R

DavidEF
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mattlward wrote:
Oh… now they get cheaper… Mine made it to the US yesterday!!!

Maybe he was looking to sell a set number of them before lowering the price, and yours was the one that put him over. In which case, we thank you! Silly

Reason is not automatic. Those who deny it cannot be conquered by it. Do not count on them. Leave them alone.
-Ayn Rand

TWN
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Will this fit for Convoy C8?
I would love to change the led with XHP50 OR XHP70?

mattlward
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This is not a buck or boost driver, it can be set up in 2S. So, with 2 18350’s you could drive a 6 volt led with this driver. That said, PM and ask if it works well for that or not… I have not gotten my first 2 in yet, so I really have not experience with them.

EDC rotation:
Convoy S2+, 6*7135, XM-L2 3D, 10 degree TIR, PilotDog lighted tailcap.
Convoy S2+, H17F, XM-L2 4C, lighted tailcap
Zebralight SC52w-L2
Olight S1A
Olight S1R

Rufusbduck
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If set up for a 6Ved then it will work for MTG or XHP 50/70.

Three Tanna leaves to give him life, nine to give him movement. But what if he eats the whole bag?

Scott

niko82
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Hi,
Is this is FET Driver ?
Can I use it for two XHP70 in parallel , I want to give 10a to each one emitter , is this is possible with this driver ?

led4power
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It is a constant current driver,but it has "software" DD option on high mode. 20Amp and two big 6V emitters would be out-of-spec for this 17mm driver.

Jerommel
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I’ll be contacting you when i have funds.
Is the LD2 with e-switch also still available?

Looking for:

5” parabolic reflector (for recoil light)

led4power
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Yes,I can reflash driver with old LD-2 firmware.

sac02
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Looking to buy at least two (more likely three) LD-3. What I’m trying to figure out is which amperage range to get.

They will go in Solarforce P60 quads (4x XP-L Hi), specifically one P1 (plastic body) and one P1D (aluminum body).

The LED MCPCB is soldered to the large hunk of kiriba-ru copper…

… so it sucks away heat fairly well, but the overall thermal management of the P60 format is not the best as we know. (And plastic is worse)

Trying to determine what is the highest amperage I can run reliably. I did read the info so I realize:
1. the CC mode can be reduced a certain amount, and
2. the driver can output higher currents in DD mode.
I think I’ll use the CC mode, but… maybe not?

For reference, I’m fairly responsible with my lights and not abusing them.
I am not asking “what amperage should I choose if I want to leave the light unattended on Turbo?”
Instead, I am asking “What amperage should I choose if I will always be the one handling the light, and will be quick to step it down if I think I might be overheating it?”

6A for the plastic P1 and 9A for the aluminum P1D?
9A for the plastic P1 and 12A for the aluminum P1D?
Some other recommendation?

djozz
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Hmmm, I don’t know, I’m that knowledgable and responsable flashoholic too and I damaged the three 219C leds in a Reylight Ti direct drive triple because on the outside you just can not feel how hot the pill with leds get. One two-minute run on Turbo did the damage while I was not monitoring the time Sad
It will never happen to my S41, the copper chunk gets hot to the touch almost immediately.

So IMO be very moderate in how hard you drive the leds in a flashlight with a poor thermal path to the shell, without the direct feedback to your hands sooner or later you run it too hot and stuff gets damaged.

So 3 amps maybe? Innocent

sac02
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djozz wrote:
So 3 amps maybe? Innocent

Minimum per LED, obviously. Crazy

FWIW, the plastic P1 has been operating as my work EDC for about 4 or 5 months now with 4.5A worth of stacked 7135’s, and has not had any issue. I think the heat is definitely not an issue at 4.5A the way I use it, and now I want a nicer driver and also more lumens, because… well I don’t really need to explain myself there, I think. lol

Just realized I should have posted this in the LD-3 thread that is more focused on discussion, rather than the sale thread. Sorry. I’ll ask a mod to move it if led4power would like to keep this thread uncluttered.

Lightbringer
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sac02 wrote:
Instead, I am asking “What amperage should I choose if I will always be the one handling the light, and will be quick to step it down if I think I might be overheating it?”

6A for the plastic P1 and 9A for the aluminum P1D?
9A for the plastic P1 and 12A for the aluminum P1D?
Some other recommendation?

Uhhh, I wouldn’t go more’n 1.0A-1.5A or so in a plastic-body light.

How long can your car’s engine’s last without coolant?

I got a refitted Taskforce rubber-over-plastic light that perfectly fits a P90 (after dremelling out the molded-in reflector). I’m using an 800mA boost driver from 2 AAs, and after being on a while and quickly unscrewing the cap, the whole assembly underneath is hot. Almost too hot to handle.

Doubling that to 1.6A? Not for long.

That plastic body is a nice down-filled winter-coat for that P90. Treat it accordingly.

Hotwire bulbs love that heat, and even work marginally better if heat isn’t shed. LEDs and drivers, nah, not so much.

09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0

Jerommel
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I bit the bullet, just ordered 6 of these (12 Ampere version).

2 for Jaxman E2L hosts
1 for an Eagle Eye X6 triple host
1 for an S41S xp-g3
1 for an S41 219b

Hope i’m gonna like it. Smile

Looking for:

5” parabolic reflector (for recoil light)

TWN
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Love to hear more about your setup later, Jerommel.
Myself order 2 pcs with 6v parts, not sure which host I choose later. But one probably C8 with either XHP50 or Nichia. Still a month to wait though.

led4power
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Discontinued: replaced by LD-4:

http://budgetlightforum.com/node/55806

LightRider
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Led4power, is it possible to tell what is the output version by just by looking at the driver? I have an ld3 and don’t know which version it is:)

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