Extended Life LED Portable Worklight

[Preview 1]

Extended Life LED Portable Worklight
Price: $19.99
Shipping Options:: $5 Standard
Shipping Estimates: Ships in 3-5 business days. (Wednesday, Aug 05 to Monday, Aug 10) + transit
Condition: New

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Hi Everyone! My name is Rob and I represent the manufacturer of this light. If you have any questions, feel free to ask. Have a great night!

For reference a typical halogen worklight is 500 watt & 8000 lumen

get 8 of these and youll be using 1/4 the energy for the same brightness

Check out the product page

That’s not exactly how to measure the comparison from Halogen or fluorescent Lumens to LED Lumens. This fixture is equivalent to around 4000 Lumens of the Halogen you listed above with 8000 Lumens.

Looks identical to the Utilitech Pro 15-Watt LED Portable Work Light at Lowes for $29.98 4.2/5 Star Reviews.
http://www.lowes.com/pd_458686-43921-MPL1001-LED15K840_0__?productId=4741018

Same product, different distributor?

Work with guy who has one of these. Very bright, but as with most LED lights, it’s still somewhat directonal which can be a good or bad thing.

Here is a lumens comparison chart…LED, Fluorescent, Halogen

http://www.dilligot.com/chart-equivalence-led-light,us,8,39.cfm

Can you explain this statement in more detail? I understand that because LEDs are more directional, more of the light is likely to land in the intended direction, however a halogen work light should be relatively good at directing the light output to where you want it. I would expect more than 25% of the luminous flux from a halogen lamp in a work light reflector housing to reach the target.

Lumens are lumens. You can’t make your 1050 lumen light equal an 4000 lumen light no matter how you try. An LED bulb may deliver slightly more foot candles (LUX) per Lumen output at the point of aim, but only because they tend to be more directly focused. However, the initial output (Lumens) is a measurable quantity. Please don’t mislead your prospective buyers.

Using your own chart, a 500 watt CFL might deliver 9318 lumens.
A 1500 watt LED like the one your selling, 1521.
(Both numbers are inflated, but I’m just using the numbers off EnergeticRob’s website.)

I’m with the rest of these guys, lumens are not a flexible, variable thing, they are a measureable constant.

Now could reflectors and voltage losses change and skew numbers? Sure. But not by 600%, or 300% or some other outlandish claim.

I assume that this is the same light that bryaninphx posted from Lowe’s, which I have (along with halogen lights as well). The LED one is not as bright as the halogen, but it makes up for it in using so little power (less heat) and being smaller in depth and shockproof. Broken halogens are common if other people touch your equipment, not so with the LED. Not a solution to every job, but worth the $20-30. Especially if you’re job ever have you in tight spaces with the halogen will cook you!

To be fair, I believe luminous flux is measured in all directions; essentially the total amount of light in the visible spectrum that is being emitted from the light source. So if you place a shadeless lamp with an incandescent light bulb in the middle of the floor, only a portion of that light will actually be directed toward your work area, and the rest will fall elsewhere, so your measurement of luminous intensity would be much lower than the total luminous flux.

If you have a directional LED source aimed right at your work area, nearly 100% of the light will fall there. It’s a very significant difference. The measurement of luminous intensity in that direction would be FAR higher (not just slightly higher) for an LED light source with the same luminous flux. In that situation an LED source may well be 4x+ as bright where you want it.

Now, introducing a work light housing, with a reflector, changes that somewhat as it can redirect some of the otherwise “wasted” light in the intended direction and increase the luminous intensity. Unfortunately I have no idea how efficient those reflectors typically are (hence my previous question above).

Also, all you really need is a light source that’s “bright enough” for the type of work you’re doing, at the intended work area and distance. Light output beyond that isn’t really necessary. If you actually require the full light output of a 8000-9000 lumen work light, you’d probably need a ~100W LED light, which will cost very significantly more than this Woot.

Luminous Flux

Luminous Intensity

Lighting Optics

Down goes EnergeticBob!

Down goes EnergeticBob!

cut him some slack. he is probably consulting his engineers before responding
to these very technical questions

HAHAHA! I can hear Howard Cossell.

Will this light work unplugged? I.e. Have a battery? If so, for how long?

For those too young to remember…
“Down goes Frazier!”

Can i use it 110~240v?