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Old 01-20-2014, 09:36 AM   #1
Butters OP
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Cheap LED lights on sale on Amazon

Saw this over on Slickdeals ($19.99 each):

Square 30 degree LEDs: http://www.amazon.com/Genssi-Light-W...t+light+genssi

Round 60 degree: http://www.amazon.com/Genssi-Light-Waterproof-6000K-Flood/dp/B005WWIV3O/ref=pd_sim_hi_2?t=slickdeals&tag=slickdeals&ascsubtag=SpkyMIH4EeOom_Y2E6PhoAMPuB_izrv3_0_0_0

They get pretty good reviews. I'm sure the normal price ($180) is a pipe dream, but at $20, that's a pretty good price for even cheap LEDs.
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Old 01-20-2014, 10:28 AM   #2
Motomantra
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Thanks for the heads up, Butters. I was all ready to spring, but at 7.7 inches across they're too big for my purpose. Damn...
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Old 01-20-2014, 10:55 AM   #3
Kevin C
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110mm is about 4.25 inches
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Old 01-20-2014, 11:50 AM   #4
worwig
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I have a set or the round 27 watt ones with a different brand name. Mine are round spot, not flood. The spot is 30 degrees.
They have been awesome. A huge amount of light, with about the spread that I want. I can see out to about 20 seconds ahead at 50 MPH, plus the light spreads enough to help on twisty mountain roads at night.
As for the 7.7 inch, keep in mind that the 7.7 inch number includes the mounting bracket. Or at least that is the only way I see it coming to 7.7.
Also, they aren't really 27 watt. They have 9 3 watt LEDs for a MAX of 27 watts. But they run the LEDs at closer to 2.5 watts each. Irrelevant, as it is still a HUGE amount of light.
I've had them for about a year now. I normally run them at about 20% power during the daylight. Then at night on high beam, 100%.
Zero issue, other then when I dropped my bike on one and cracked the bracket. The bracket was heavy duty enough to ride home with one half broken, where I welded it.

Very good lighting for the price, if you have the room for them.
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Old 01-20-2014, 04:58 PM   #5
Motomantra
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Quote:
Originally Posted by Kevin C View Post
110mm is about 4.25 inches
And 7.7 inches is about 193mm.
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Old 01-20-2014, 05:58 PM   #6
Bbasso
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I wish I could find a use for them...
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Old 01-21-2014, 06:12 AM   #7
rhlrdr
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Quote:
Originally Posted by worwig View Post
I have a set or the round 27 watt ones with a different brand name. Mine are round spot, not flood. The spot is 30 degrees.
They have been awesome. A huge amount of light, with about the spread that I want. I can see out to about 20 seconds ahead at 50 MPH, plus the light spreads enough to help on twisty mountain roads at night.
As for the 7.7 inch, keep in mind that the 7.7 inch number includes the mounting bracket. Or at least that is the only way I see it coming to 7.7.
Also, they aren't really 27 watt. They have 9 3 watt LEDs for a MAX of 27 watts. But they run the LEDs at closer to 2.5 watts each. Irrelevant, as it is still a HUGE amount of light.
I've had them for about a year now. I normally run them at about 20% power during the daylight. Then at night on high beam, 100%.
Zero issue, other then when I dropped my bike on one and cracked the bracket. The bracket was heavy duty enough to ride home with one half broken, where I welded it.

Very good lighting for the price, if you have the room for them.
Which controller do you use to cut back on the power?
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Old 01-21-2014, 06:16 AM   #8
worwig
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Which controller do you use to cut back on the power?
I designed my own.
It actually is a device I designed to dim incandescent driving lights, because I have a weak charging system. It dims the lights if the voltage is low. I reprogrammed it to be used as a simple dimmer for the LEDs.
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Old 01-21-2014, 06:17 AM   #9
rhlrdr
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That's cool. Is it difficult to make?
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Old 01-21-2014, 06:21 AM   #10
Dan Alexander
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details say they are 7.7"

echnical Details
Brand Genssi
Part Number SZW-0727-30
Item Weight 1.8 pounds
Product Dimensions 7.7 x 5.8 x 3.5 inches
Item model number SZW-0727-30
Style Traditional
Material Plastic
Finish Steel
Number of Lights 1
Voltage 12 volts
Fixture Features LED, 27W Maximum Power Usage, Durable Metal housing, Easy to mount car truck ATV trailer
Power Source battery-powered
Type of Bulb LED
Wattage 27 watts
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Old 01-21-2014, 06:35 AM   #11
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If you read the reviews, one guy says "The second thing is not a problem with the light but just something that should be made clear. These lights are 4 1/4 inches square. I only point this out because I was a bit surprised at their size when I took them out of the box."
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Old 01-21-2014, 07:23 AM   #12
Dan Alexander
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well who to believe, him or the mfg?

Maybe they are giving the package size as they are the same rectangular shape for both the round and square.

From the pic they don't look 7", more like the 4"

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Old 01-21-2014, 07:25 AM   #13
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Quote:
Originally Posted by Dan Alexander View Post
well who to believe, him or the mfg?
The manufacturer says they are 4.25 inches square ( without the mount bracket)

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Old 01-21-2014, 07:38 AM   #14
Dan Alexander
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Where did you find that, I didn't see that anywhere on the Amazon link?

I found that here but they are different lights

http://www.autoandboat.com.au/27W_LED.html
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Old 01-21-2014, 07:40 AM   #15
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scroll through the photos on the left, its like the second one down.
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