LED BIKE Lights - Skyray S6 V Magicshine 808

[BATFINK]

Just bought one of these Skyray S6 bicycle lights, it has 3 Cree T6 led's- I also have the Magicshine 808 with one LED so thought I would compare them for anybody considering a purchase, the Skyray is amazing to say the least. The magicshine is very good and I was always impressed but after trying the Skyray I am blown away

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[BATFINK]

SKYRAY 3xCREE XM-L T6 LED Max 5000Lm Headlamp /Bicycle Light

http://bit.ly/ZHTnlC

MJ-808 Front cycle light 900 Lumen MJ-6002 Standard Battery Full warranty

http://bit.ly/RlNZyQ

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[BATFINK]

Size comparison









View attachment 96111






Magic shine 808 around 5 to 10 metres



Magicshine 808 full distance





Skyray S6 around 5 to 10 metres out 1 LED SETTING






Skyray S6 around 5 to 10 metres out 2 LED setting





Skyray S6 around 5 to 10 metres out 3 LED SETTING/ full power





Skyray S6 shining at full distance 1 LED SETTING






Skyray S6 shining at full distance 2 LED SETTING





Skyray S6 shining at full distance 3 LED SETTING/full power





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[BATFINK]

Those pictures are in reverse order, always does this when I post from Es mobile App. Anyway, I thought my magic shine was good until I tried this, for the price this has to be the best bicycle headlight I have ever tried, simply amazing

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[BATFINK]

First picture of the picture of the lights in action to the left if the little magic shine light I'm holding is the magic shine at a short throw of about 5 to 10 metres and the picture after that is the magic shine at long distance. The top 6 pictures are the Skyray 1,2 and 3 led at short throw distance and long distance with 1,2,3 LED. Both lights are great but the Skyray is absolutely astounding

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[Alan B]

Looks like a nice light.

The best way to do beamshots is side by side, then the camera's settings don't matter so much.

 

[biohazardman]

Yup three lights, three times the size as well so it should be bright in comparison and IT IS. Two of those would probly be about right? Thanks for the post and info.

 

[richmpdx]

How are you providing the DC power for the Skyray? A DC-DC converter off your main pack? At what voltage?

Rich

 

[ohzee]

I just asked one of the ebay vendors about this skyray if I can purchase just the head.

he told me 10gbp - not sure if that's with shipping or not. Asking now.

jiwen235 is the vendor

 

[2moto]

Just bought one myself. It comes with a stated 8.4V battery, presumably a 2s lipo and 6400mAh. I am curious how it performs and will do some testing of both the light and the battery.

In my experience as a thermal engineer working in the LED lighting industry, it's usually the thermal construction that is the main problem with these cheap Chinese lights. I will take one apart and do some thermal measurements to determine what the chip's junction temperatures are like.

The Cree XM-L chips are top drawer at the moment, although the advertised lumens output is wildly overstated by the sellers (not by Cree). If you look at the Cree datasheet, they produce around 900 lumens each at a maximum 3amps input current. And that requires very good thermal paths. So, the absolute top you can expect is about 2700 lumes from this 3 chip lamp, which is still a huge amount, but far short of the 5000 that these vendors typically claim.

Heat is usually the killer and serious affects longevity. We'll see how this performs.

 

[Chucked]

I am also planning on buying the skyray, but wanted to know if i can feed it 12V directly?

also i dont think the mount is adequate so I think im going to have to manufacture one, I would like something that makes the light highly theft deterrent, so I was thinking of using tamper-proof torqs bolts to clamp it onto the handlebars.

 

[Scruffoid]

I just asked one of the ebay vendors about this skyray if I can purchase just the head.

he told me 10gbp - not sure if that's with shipping or not. Asking now.

jiwen235 is the vendor

ill be up for a head unit only option. Did he say what voltage it can take?

 

[BATFINK]

I'm using the pack that came with it, it's actually smaller than the pack that came with my magic shine but I've ran it over an hour on full blast and hasn't lost power or anything. I have a dc converter but haven't tried it yet as using it on a pedal power bike just now

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[Eascen]

I got one of these as well, though I haven't used it much its... impressive. It also has 1-2-3-blinking light modes.

 

[ohzee]

I just asked one of the ebay vendors about this skyray if I can purchase just the head.

he told me 10gbp - not sure if that's with shipping or not. Asking now.

jiwen235 is the vendor

ill be up for a head unit only option. Did he say what voltage it can take?

Sorry seems there was some kind of language barrier. He kept saying 10gpb and I was trying to confirm
it was for a head unit.. turns out he was wanting to sell me the headband.

if anyone else has any luck on just the light let me know please.

 

[hillzofvalp]

I sent the huang guy a message about invoicing me for the Headlamp only... Sounds like a steal if its only 10GBP. Idk how they make money on those..

 

[ohzee]

I sent the huang guy a message about invoicing me for the Headlamp only... Sounds like a steal if its only 10GBP. Idk how they make money on those..

yea sorry it was a misunderstanding he was trying to sell me the head band only.

honestly I thin he was tryin to scam me , but as I wanted details in writing it came out.

 

[BATFINK]

I messaged the seller i got mine from and he wanted £30 for the light only

 

[hillzofvalp]

42 usd for headlamp only from huang

 

[BATFINK]

Its a pretty good price

 

[Architectonic]

So these work on 3s or 12v from dc-dc?

 

[ohzee]

42 usd for headlamp only from huang

I ordered one from huang sent him the money via paypal and so far he's not responding when I ask if it's been shipped or any tracking info.

Anyone else get just a head from him ?

 

[BATFINK]

i bought it from a company on ebay called rabbitword88, i have also ordered just the head from him, when i sent the money from paypal, tey sent me an invoice with the ebay item number and a full description of what i was actually getting

 

[2moto]

OK, had a bit of a play with mine. First off, the battery (2s2p 18650 LiPo cells) is absolutely crap! Must "recycled" laptop battery cells. They only last about 15 minutes and "charges" in about 10 minutes! They simply won't hold a charge. But, I sort of expected that.

The light itself is actually reasonable quality. Hooked up to a variable bench top power supply, it draws 2A at 8V, i.e. 16W input power. It regulates the power to 16W even if the input voltage varies. The lower limit where the light output becomes affected is around 6.4V and shuts off around 5.5V. I went up to about 9V (didn't dare any higher). With one LED on it draws 5W, with two LEDs on it draws 15W (!), with all three LEDs on it draws 16W. This is obvious in the light output as well in that there is very little difference between 2 and 3 LEDs on. It seems that the 2 LED setting is probably unsafe and I won't be using that mode.

At 3 LEDs on, it gets pretty hot after about 15 minutes sitting on the kitchen table. Certainly too hot to hold in your hand for more than a couple of seconds. I've not measured the temperature, but planning on measuring the LED chip case temperatures to try to determine what the LED junction temperature is. I hope they are within safe limits, but wouldn't bet on it!

Light output is excellent, comparable to an average car headlight. Nowhere near the advertised 5000 lumens, but I already knew that.

Bit of a long post (sorry) but in summary:
1. Count on throwing away the battery.
2. Light output is more than adequate even for serious night time mountain biking.
3. 2 LED mode is probably unsafe for the LED chips
4. Case gets pretty hot in 3 LED mode (same in 2 LED mode)
5. Longevity a big unknown at the moment

 

[Architectonic]

Does it work on 12v, that is the big question...