Fandy Fire D99 Bicycle Lights

I new new to this so bear with me. I received these lights from Dxtreme for testing and did not get paid anything for them:

http://dx.com/p/fandyfire-d99-cree-xm-l-t6-2-led-1200lm-5-mode-neutral-white-bike-light-headlight-silver-black-199471

They are extremtly bright and the strobe can bee seen even during the day.
Easy to use and 4 settings for nighttime use.
The unit is 2 1/2” x 3 1/2” and the cord is long enough to hook up the battery pack amost anywhere. The controls are 2 buttons, 1 forthe strobe and 1 forthe main headlights.

They could use some silicon in the spaces betweenthe light & buttons housing in cas it rains.

I used them on the GAP trail tunnels in Md. and they really lit up the tunnels.

I hope there's more to this review coming. Or maybe not. If this is all that has to be done to get free lights, then I'm going to start hounding DX for lights to review.

There is a thread on MTBR that someone took apart the D99 and it has very little contact area between the LED pill and the housing. The Solarstorm/Fandyfire X2 seems to be a better dual emitter light as the LEDs rest on a complete piece of aluminum. However I can see that some would like the interface better on the D99 over the X2, as well as possibly the optics used.

Interesting, thanks for pointing that out. Right now I’m looking for a bicycle light with:

  1. No PWM at any level whatsoever
  2. A beam suitable for riding off road - wide and bright spill while having at least 50 meters of sharp bright throw.
  3. A battery carrier so I can put my own batteries in (4 or 6 18650s)
  4. Solid pill for good heat management

So far I haven’t been able to find one which ticks all the boxes.

I just saw a couple of months ago in bikeforums.net DX looking for reviewers and just signed up. They 1st sent 2 lights, no batteries, then after requesting some they sent Li-ion packs, but no charger. I ordered a charger just to get things moving. I cant figure how to attach my photos ( i don’t have a webv site) If you want my photos write to me at bktourer1@gmail.com

ed

Upload them to imgur, then get the image url. This can be done by right clicking the picture (after uploaded) and clicking ‘copy image url’

Paste it between two exclamation marks here. eg. ! link ! but don’t include the spaces.

You need to use a hosting sight like imageshack/photobucket/Dropbox. Make an account (its free) and upload [host] the photos there, then use the link to post pictures here or where ever else you want to put pictures on the internet.

Edit: slew beat me to it.

Worth mentioning that while they didnt pay you money if they provided you free products you don’t have to return you did technically receive compensation for the review, I’m not trying to give you a hard time about it or anything but it seems like they went above and beyond to help you (sent you batteries on top of the lighs, at your request) so the right thing to do would be to provide a more detailed/more in depth review for them. They’re sort of expecting it. What I got from this is that you actually complained they didn’t GIVE you a charger along with the lights and batteries. When companies provide me with a product for review I do the best review I can and I send them a copy and/or link to the review so they can see what they’ve “bought” themselves, the goal is to provide a fair review (doesn’t need to be positive, just fair and the best quality you can write) so that they want to send you more free stuff, I wouldn’t expect them to send you much more for free if this is the advertisement they can expect out of it.
Again I’m not tryin to come down on you or anything like that, you’re welcome to your opinion (be it positive or negative) but if they were asking for reviewers and you told them you would provide a review, and then asked them to send you more stuff on top of that, if it were me I would want to provide a well written review even if the product flat out sucked, their service was pretty damn good if you ask me.

I didn't explain what I meant when I said I hoping there was more to this review coming, so I'll explain now.

Everything in the review so far could have been done by looking at the pictures and product description of this light. A useful review provides information that you can only get by using the device.

How wide is the beam? How far does it throw? What's the tint like? Is the light balanced on the handlebars, or does it swing down when you hit bumps? How well are the modes placed? What's the battery life? Does the light get hot?

Pictures can answer some of those questions.

Much more information can be provided with a multimeter, lux meter and non-contact thermometer.

Some reviewers show disassembled photos of their lights and take measurements of the parts to help readers know how difficult it might be to upgrade that light.

You certainly don't have to do all that, but please provide some information that can only be gleaned by actually using the light. Or don't if that's all DX wants, and then I'll request all the products DX has and I'll write reviews on them before they arrive.

The battery carrier issue will be your toughest because I don’t think many if any come with such. I have seen one that is on Kaidomain that has a carrier that can have the batteries removed, but I would bet after unscrewing the screws they end up not being able to screw in again.

http://www.kaidomain.com/product/details.S021564

So chances are you’ll have to buy the light and a separate battery carrier…or make your own carrier.

HKE has an excellent battery carrier, a bit pricey but there is no way that anyone of us can make similar carrier for less $ and it’s from Spark…
http://hkequipment.net/index.php?sp=&p=6&cat2=178&cat1=66&cat0=1&id=1587&cat1=66&cat0=1&new=&more=&s=06fc4c8f6358dc8ba30938a920756778&lang=en
As per “review”, if you could call it like that: DX, I seriously recommend to consider contacting me next time when you want review for a bike light…

That carrier setup for 8.4v?

It looks like all springs are on the one side so that would be 4.2V and then you could use DrJones mobydrv + something like this. Not hard to make and much usefull because of versatile driver…

The one issue I have with a driver swap is how do you deal with the switch? I can double check later, but I don't think there's enough room inside to use the old driver as a contact board and another driver attached to its back.

If I knew how to resolve the switch issue, I'd already be doing a driver swap with my bike light that uses a battery tube like that above, but with a single removable 26650 instead.

It depends on what model of bike light you have. This one or this one and all similar models have enough space you would just have to remove all components (or at least biggest ones like coil or capacitor/s). You could also make a remote switch from old mobile phone head set like I did :slight_smile:

A remote non-electronic switch would make things so much simpler, but only if I didn't have to make it myself.

I think all bike lights use electronic switch, mobydrv is also built for electronic switch…

Yeah, but don’t expect miracles because DX and other vendors were burned too many times by people like bktourer1 that promeris reviews and what not and then make 2 posts in total and disappear after… :expressionless:

To get free lights you have to buy bunch of them first, do a review on them, make a reviewer portfolio.
Best way to start would be to offer trade: review for discount, that’s what I do :slight_smile: