Flashlight for my bike

How many amps got the dropin of the 504B?

Lol 118 posts. With all due respect, buy one already!! =P It's not rocket science, and I'm sure you'd be satisfied with just about any of the setups mentioned.

No rocket science, but still not so easy to get the best bang!


@ E1320: You have lately received some 504B from DX. Are they under driven, too?

Regarding the XM-L 6T dropin you have ordered seperately you wrote that the last ones ordered are direct driven.

So should I better order the XM-L dropin from DX and the 504B host from Manafont (as it is not available at DX)?

Triker serious man I have posted multiple times that DX stopped delivering the under driven drop in months ago you must be having a blast trying to confuse this poor guy. I posted a link on DX of my review of the drop in I posted a picture of 4 of these lights that I own poor Biker is getting seriously frustrated.

Triker do you own a 504B from DX with the DX drop in?

Triker do you own a new 5 mode drop in from DX?

Triker if you can answer yes to these questions please take your DMM and measure tailcap amperage on high so we can stop the nonsense.

I have a theory that DX was using XPG drivers when the XMLs first came out until they could source the right drivers for them that is why the under driven XML is no longer available from DX.

Biker I own this setup it works great the drop in is not under driven it is the same direct drive driver that Manafont, KD and DX all use. This drop in delvers over 3 amps on high about 800 lumens.

I am happy with this setup. This is the cheapest way to get the most light.

http://www.dealextreme.com/p/trustfire-tr-001-multi-purpose-lithium-batt...

http://www.dealextreme.com/p/trustfire-protected-18650-3-7v-true-2400mah...

http://www.dealextreme.com/p/ultrafire-wf504b-xm-lt6-5-mode-510-lumen-wh...

http://www.dealextreme.com/p/universal-bicycle-mount-for-flashlights-and...

I am sorry you had to PM me because people are purposefully trying to confuse you I am not posting anymore. If someone asks you about a product you don't own tell them that don't make stuff up.

Thanks for this clear statement E120!

I absolutely trust your recommendations as should have most experience having ordered several 504Bs and using them for biking, too.

So I will will order the complete 504B from DX and hope that I also will receive a direct driven version.

@ Be-Seen Triker: Have you ordered a 504B or a XM-L 6T 5-mode dropin lately? E1320 is right: It makes non sense to give statements without owning this flashlight/ this dropin and having made your own experience.

I have purchased them in hosts and just as a drop in I have a theory that DX was using XPG drivers when the XMLs first came out until they could source the right drivers for them that is why the under driven XML is no longer available from DX.

Yes, I ordered the complete package from DX on Sunday - splitted in 2 shipments in order to avoid paying import dues.
I hope it won’t take too long until I receive the shipment.
I will advise once I have tested the flashlight for the first time.

While waiting for the delivery, can you please advise if and how I should do anything regarding the heat dissipation of the dropin?
Is there somewhere a how to here in the forum? I couldn’t find anything.

Wrap the drop in with foil so it fits tightly in the host to help with the heat dispersion.

Don made a nice tutorial here.

here is more info

Edit: I fixed the links.

Thanks for your replies.
@ E1320: The links are not working. What key words shall I search for to find these threads?

Thanks for fixing the link, E1320.
I received the first pouch today with the batteries and the charger.
Unfortunately the charger has the wrong plug. So do they automatically pack a US plug and not the required country plug @ DX? Or shall I claim the wrong plug?
The other thing is that the batteries didn’t arrive welded in plastic foil, but in a damaged and scratched plastic case.
I wonder if I have received used batteries or if DX usually ships the batteries in a plastic case? Shall I claim this to get brand new batteries or (if I did receive brand new ones) to get a acceptable plastic case?

They should have included the correct plug by the location on your order. Definitely notify DX ASAP so they can send you the right plug. The batteries should have been shrink wrapped in plastic, I am sure they were damaged during shipping some of the packages I have received from them have been very beat up.

I finally received the delivery of the flashlight and the bike mount after returning from holiday today.
And I have to say that I’m again disappointed with it:
The flashlight has deep scratches on the head and the tail cap although packed well in bubble foil.
And the bike mount is not working as it should. The flashlight isn’t hold tightly even screwed absolutely tightly. And the plastic grip of the screw (for using by hand without a screw driver) that should fix the flashlight drops away when screwed tightly because it contacts the tube.
I have just prepared the dropin with aluminium foil and will test the flashlight tonight.
Hopefully I won’t be disappointed with the light itself.
Should I order this bicycle mount
http://www.dealextreme.com/p/universal-adjustable-bicycle-mount-for-flashlights-2cm-4cm-diameter-31871
in order to attach the flashlight securely on the handle bars?

Did you use the included rubber inserts to make sure the flashlight fits tightly, see the inserts in this picture.

Ofcourse I did use the rubber inserts, but the flashlight could still easily be moved back and forth.
I hope that the mount with the velcro strip will hold the flashlight stronger.

I tested the flashlight last night and I have to say that I'm also a little disappointed with it.
The light is really bright and the illumination in the close range is really good. But I asumed that the beam would be farther.

I think this is construction related issue of the P60 drop-ins, right?

In order to get a farther beam I probably need a flashlight with a bigger refelector. However the reflector may not be to big as the flashlight shall be wearable inside a trouser pocket.

So is there any recommendation?
I found the Keygos EK5 XM-LT6 which seams to have a farther beam and a refelctor seize I could live with. What do you think?

I have never heard (or seen) DX to change to correct plug. However, most of eBay sellers do this regularly.

In DX, there are some chargers available with different plug, but they are always listed with different SKU. If the charger you want can't be found with correct plug, you need to order also a converter. For example this converter can be used for US->EU.

Your drop-in was underdriven for longer runtimes, right? That might affect the throw significantly.

What I have read, that Keygos has a tight hotspot, possibly making it not suitable for a bike light. Of course you could use both! Your current light for flood and add Keygos for throw..

DX has already sent me the cable with EU plug.


I don't know if the drop-in is underdriven. How can I check this?


So, if the Keygos has a tight sport it doesn't come into consideration.
I should check if my drop-in is underdriven and may look for a directdriven one.

If you have a DMM, you can check the tailcap current. See instructions on HKJ's page: http://www.lygte-info.dk/info/Measurement%20UK.html

Anything over 2.5A is good, less than 2A is what I would call "underdriven".

A well-known good drop-in can be found here: http://www.manafont.com/product_info.php/ultrafire-cree-t6-3mode-memory-led-dropin-module-42v-max-p-5178

I got one of those and it draws about 3.4A from a XTAR2600.

Yup, OP reflector and 1.4A current afects the throw. Just get full current drop-in with SMO reflector and then interchange parts so you'll find the best combination for you.

As a mount I would suggest this - plain, simple and good grip for 18650 based lights. We are using it on several bikes. For biger dia hadle bars use some tight strip insted of screw.