For sale : LD-2 and LD-M2 driver (Updated)

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led4power
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For sale : LD-2 and LD-M2 driver (Updated)

LD-2 driver info thread:

http://budgetlightforum.com/node/39673

 

Price:

14.9$/piece

 

Note: NTC resistors (1 per driver) are included by default.

 

Additional DIY parts

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   3.5$/set (for one driver)

Resistor for 5A,7A,8A,9A,10A or 12A mod      0.1$/piece

Equation for max. current set :

Rset=900/I; 

(Rset- required resistance in kOhm,I -desired current in Amperes)

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

Changing/soldering max. current resistor fee    0.5$/driver

 

_______________________________________________________________________________________


LD-M2 driver info thread:

http://budgetlightforum.com/node/43510

 

There are two max. current versions: 6Amps - optimized for 4-12Amp range

                                                      12Amps -optimized for 12-20Amp range

 

Price:

19.9$/piece

 

Note: NTC overtemp. resistor,moonlight parts and 1S-4S multicell parts are already on board by default.


Equation for max. current set(same 0603 resistor as on LD-2) :

6Amp version: Rset=900/I;
12Amp version: Rset=450/I;

(Rset- required resistance in kOhm,I -desired current in Amperes)

 

Other
Changing/soldering max. current resistor fee    0.5$/driver

 

 

 

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

               Tracking number option:  +5$

Estimated shipping times:

EU  3-5 days

World 5-20 days

Paypal fees-included

Paypal: led4power@hotmail(dot)com  (replace (dot) with .)

Note:for Italy only tracked shipping is available

Thanks

Edited by: led4power on 06/14/2016 - 04:30
Ejected Filament
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Maybe some of us should get together with an EU member and order that way? Which EU country has the cheapest postage, and trustworthy member?

Nice to see its finally ready.

DavidEF
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50 pieces? :_(

PLEASE, somebody do a GB for us poor guys in the states who can’t afford to buy 50 pieces! Tired

The Cycle of Goodness: “No one prospers without rendering benefit to others”
- The YKK Philosophy

Jensa41
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I take 5 pcs Smile

MRsDNF
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Thank you sir. Can I please reserve two as I am heading out the door to work. l'll PM you later today to get a cost on what I think I need. Cheers.

Fixed.

 

djozz quotes, "it came with chinese lettering that is chinese to me".

                      "My man mousehole needs one too"

old4570 said "I'm not an expert , so don't suffer from any such technical restrictions".

Old-Lumens. Highly admired and cherished member of Budget Light Forum. 11.5.2011 - 20.12.16. RIP.

 

Jubeldum
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MRsDNF wrote:

Thank you sir. Can I please reserve two as I am heading out the door to work. l’ll PM you later today to get a cost on what I think I need. Cheers.

You’ll need to reserve 48 more.

djozz
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Jubeldum wrote:
MRsDNF wrote:

Thank you sir. Can I please reserve two as I am heading out the door to work. l'll PM you later today to get a cost on what I think I need. Cheers.

You'll need to reserve 48 more.

Hi Steve, I could buy two for you and send them to AU if you're ok with that. (btw, before I'm going to be the world's postman, this is a one-time thing).

KawiBoy1428
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I’ll take at least 10 drivers for somebody interested in a U.S. group buy?

KB1428 “Live Life WOT

MRsDNF
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djozz wrote:
Jubeldum wrote:
MRsDNF wrote:
Thank you sir. Can I please reserve two as I am heading out the door to work. l'll PM you later today to get a cost on what I think I need. Cheers.
You'll need to reserve 48 more.
Hi Steve, I could buy two for you and send them to AU if you're ok with that. (btw, before I'm going to be the world's postman, this is a one-time thing).

Thanks djozz. I hate reading things twenty times and still not understanding whats said or missing the point totally. I'll get there yet, maybe. Appreciate the offer.

 

djozz quotes, "it came with chinese lettering that is chinese to me".

                      "My man mousehole needs one too"

old4570 said "I'm not an expert , so don't suffer from any such technical restrictions".

Old-Lumens. Highly admired and cherished member of Budget Light Forum. 11.5.2011 - 20.12.16. RIP.

 

pinkpanda3310
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If I could onsell 45 of them, I would buy 50 but I just don’t see it as a viable option.

cajampa
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One possible solution could be if MTN or IOS could stock these, so you non-EU based guys could get some easier.

MTN has a request new products form in the OP of RMM’s sales thread, maybe those interested could put in a request Wink

led4power, are this going to be available for now & can we/i get an heads up if you plan to take this product of the market please :),
I plan to order some but i can afford it just now unfortunately.

Fern
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Sucks |(

Anonym
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I’m in with two. PM send.

Regards

led4power
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Guys I'm really sorry about that 50pcs for rest of the world,there a few reasons for that;first I have very little free time now,and "spamming" local post office isn't my favorite free time activity;second thing if I'm sending letters outside of EU,they must be opened for inspection,that takes more time(generally PITA). I hope I'll decrease that min. quantity to 4-5pcs after some time,when things "settles" a bit.

 

Ejected Filament
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led4power wrote:

Guys I’m really sorry about that 50pcs for rest of the world,there a few reasons for that;first I have very little free time now,and “spamming” local post office isn’t my favorite free time activity;second thing if I’m sending letters outside of EU,they must be opened for inspection,that takes more time(generally PITA). I hope I’ll decrease that min. quantity to 4-5pcs after some time,when things “settles” a bit.

 


I think most people, if you let them know, would be fine with posting once a week. Thats saves you trips to the PO at least.
LSX
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Subscribed to this thread in the hope that the minimum order qty will come down at some point.

Xandre
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I am in for ten

Great Driver !

Regards Xandre

eebowler
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I’ll have to join the US bandwagon and take two pieces from whoever’s doing the GB. I can’t afford more Sad

My gratitude to those who are willing and able to help others (in whatever way you can)! Being human is more than just existing for yourself. Smile

MountainKing
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Can someone explain to me why is this driver ‘good’ and why is it so expensive? I don’t get it at all.

Never ever forget and forgive. Niwal**er new kid on the block trying to act tough.
http://budgetlightforum.com/node/24847
Do not support this brand.

DINODIRECTSCAM COMPANY. DO NOT BUY
http://budgetlightforum.com/node/11324?page=2#comment-254983

DavidEF
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MountainKing wrote:
Can someone explain to me why is this driver ‘good’ and why is it so expensive? I don’t get it at all.

Best way is to read the original thread, linked at the top of this thread. That thread also has links in the OP to the review threads by djozz and HKJ, as well as a link to the LD-1 thread, which this driver replaces. Once you successfully read all of those, you’ll know why this driver is so special, and worth the money.

For a quick fix, here are the stats that I find significant:

Current controlled (no PWM) This makes the lower modes more efficient. If you look at the Cree PCT, or any datasheet, you’ll find that LED emitters are more efficient at lower drive current. A driver using PWM is giving the emitter the full current rating of the driver, and just turning it on/off really fast to imitate lower current modes. The human eye is tricked by this, but the emitter is not. By truly lowering the current for the lower modes, this driver taps into the increased efficiency of the emitter.

High power capable This is desirable to just about everyone here on BLF, and should need no explanation. Wink

Low circuit resistance This goes along with the high power capability. With lower resistance in the circuit, the LED gets more of the available power from the cell(s) so you get more light output and greater efficiency overall compared to other drivers.

Disclosure: These are my observations, based on my understanding. If I’m wrong, someone please correct me.

The Cycle of Goodness: “No one prospers without rendering benefit to others”
- The YKK Philosophy

DavidEF
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I’ve never done a GB before, but if nobody else steps up, I’d be willing to do one for the US. Better would be for RMM or IOS to grab some of these and resell them, as cajampa suggested. If a GB is performed, remember that total time from order to receipt will be long, because one person would have to take orders, collect funds, order the drivers, wait for led4power to ship, re-package, and re-ship them. Price would have to be a little higher as well, to cover shipping costs for the extra ship step. Would it be better to add a fixed cost increase to all the US orders, or charge actual shipping to each?

Edit: Oh yeah, the shipping will most likely be pretty cheap for anywhere in the US, and with the price breaks given by led4power for larger quantity orders, it would probably wash out at worst, or at best, still be cheaper than buying smaller quantities from him. :bigsmile:

The Cycle of Goodness: “No one prospers without rendering benefit to others”
- The YKK Philosophy

Fern
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led4power wrote:

Guys I’m really sorry about that 50pcs for rest of the world,there a few reasons for that;first I have very little free time now,and “spamming” local post office isn’t my favorite free time activity

That’s the reason for the HUGE 50 piece minimum? Wow.

I was looking forward to this release. What a disappointment.

DavidEF
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Fern wrote:
led4power wrote:

Guys I’m really sorry about that 50pcs for rest of the world,there a few reasons for that;first I have very little free time now,and “spamming” local post office isn’t my favorite free time activity

That’s the reason for the HUGE 50 piece minimum? Wow.

I was looking forward to this release. What a disappointment.


You’d be surprised how much your free time is worth, when you start to run out of it. I understand and agree with led4power’s position. Instead of trying to shame him into reducing the MOQ, how about getting in touch with Hank at IOS, and see if he will become a reseller? By the way, 50 pcs is no where near a HUGE minimum, when you are talking about international sales. Wink

The Cycle of Goodness: “No one prospers without rendering benefit to others”
- The YKK Philosophy

Fern
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DavidEF wrote:
You’d be surprised how much your free time is worth, when you start to run out of it. I understand and agree with led4power’s position. Instead of trying to shame him into reducing the MOQ, how about getting in touch with Hank at IOS, and see if he will become a reseller? By the way, 50 pcs is no where near a HUGE minimum, when you are talking about international sales. Wink

Not shaming anyone that’s your assumption.

I understand the value of ‘free’ time and am very familiar with MOQ when quoted in an appropriate context so no need to get condescending.

I doubt he’s selling these at a loss so it’s not exactly fitting the definition of free time is it?

If he’s not interested in international sales no problem I’ll keep my money for something else.

DavidEF
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Fern wrote:
DavidEF wrote:
You’d be surprised how much your free time is worth, when you start to run out of it. I understand and agree with led4power’s position. Instead of trying to shame him into reducing the MOQ, how about getting in touch with Hank at IOS, and see if he will become a reseller? By the way, 50 pcs is no where near a HUGE minimum, when you are talking about international sales. Wink

Not shaming anyone that’s your assumption.

I understand the value of ‘free’ time and am very familiar with MOQ when quoted in an appropriate context so no need to get condescending.

I doubt he’s selling these at a loss so it’s not exactly fitting the definition of free time is it?

If he’s not interested in international sales no problem I’ll keep my money for something else.


That’s fine.

The Cycle of Goodness: “No one prospers without rendering benefit to others”
- The YKK Philosophy

Hikelite
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There some other aspects that I would like to point out, but aren't they actually explained by Led4Power already? Like working with old-school clickies and also with tactile switches (aka digital switches), moonlight level select, thermistor....

Also the circuit was designed and created by Led4Power.

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If we in the US could put together a group buy, I will commit to at least five (maybe more if kept close to 50 pc. price) with additional shipping once in US. I’m not sure I could handle the group buy side as I don’t have experience with that sort of thing. Please let me know if there is any way of working something out with those of us in the states.

MG
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DavidEF wrote:
I’ve never done a GB before, but if nobody else steps up, I’d be willing to do one for the US. Better would be for RMM or IOS to grab some of these and resell them, as cajampa suggested. If a GB is performed, remember that total time from order to receipt will be long, because one person would have to take orders, collect funds, order the drivers, wait for led4power to ship, re-package, and re-ship them. Price would have to be a little higher as well, to cover shipping costs for the extra ship step. Would it be better to add a fixed cost increase to all the US orders, or charge actual shipping to each?

Edit: Oh yeah, the shipping will most likely be pretty cheap for anywhere in the US, and with the price breaks given by led4power for larger quantity orders, it would probably wash out at worst, or at best, still be cheaper than buying smaller quantities from him. :bigsmile:

Thank you for taking a constructive approach to the MOQ issue. It looks like, with a little luck, a GB will indeed be forthcoming. If so, I too will place an order.

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If someone is looking to do a US group buy I could do 2 or 3. I guess we’ll see who else speaks up.

djozz
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Fern wrote:
I doubt he's selling these at a loss so it's not exactly fitting the definition of free time is it? If he's not interested in international sales no problem I'll keep my money for something else.

I have yet to come across someone who sells a own design dedicated flashlight part at these low quantities who has become rich of that.

Led4power has been an active BLF-member for a few years, I think his motivation has not solely been making money. No doubt he has spend numerous hours developing and testing these drivers, and I would be a bit surprised if the total sales will result in any form of descent wages for all those hours.

led4power
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Ok,I give up,min. order for non EU countries is 10pcs,best I can do currently.

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