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Powercraft 4 Million Candle Halogen Spotlight $10 at Sears

 
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#0  AgentK




Joined: 26 Sep 2012
Posts: 11855

PostPosted: Mon Mar 04, 2013 10:52 am    Post subject: Powercraft 4 Million Candle Halogen Spotlight $10 at Sears Reply with quote

Sears has the Powercraft 4 Million Candle Halogen Spotlight for $10 with free in-store pickup or $8 shipping. Rechargeable spotlight has a built-in stand and 25 minutes of continuous use.

Click Here

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#1 turtles




Joined: 16 Dec 2006
Posts: 1155

PostPosted: Mon Mar 04, 2013 12:13 pm    Post subject: Website Comment Reply with quote

Crappy reviews.
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#2 dave_c




Joined: 22 Jul 2006
Posts: 25246
Location: Under a shade tree in a green meadow next to a bubbling brook

PostPosted: Mon Mar 04, 2013 1:19 pm    Post subject: Website Comment Reply with quote

It is what it is, you won't get the sophisticated recharge electronics needed for unmonitored charging at $10, nor have something valuable enough that people take the time to educate themselves about the need to keep a SLA battery topped off but not overcharged (and it's awkward to determine charge level with no real monitoring besides an LED that changes at a reduced charge current), and you won't get a more shelf-storage friendly battery format (in this capacity) than SLA.

Most of this type of light are made by Victor and besides the cosmetics and molded case shape, are more alike than different. You could end up with a pretty nice spotlight (or floodlight depending on where you place the LED die relative to the focal point of the reflector) if you swapped in NiMH or Li-Ion cells, a charge regulator circuit, and a custom 5W power LED and heatsink. It'd take a long time to charge with the included wall wart but then you're still saving a lot of money vs same light output x runtime from a high end light capable of the same.

I suppose I'm suggesting this is about as good as it gets for under $15-20 w/o a rebate involved, if you need a lot of light for only a short period. The other variable - battery age off the shelf, is hit or miss with any brand.
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#3 photogeek




Joined: 07 Apr 2010
Posts: 58

PostPosted: Mon Mar 04, 2013 6:41 pm    Post subject: Website Comment Reply with quote

I had some similar flashlights and can tell that a modern high-power LED pocket flashlight will outperform this one in pretty much any category. While this halogen spotlight works, the light output is similar to a 10W halogen reading lamp. The battery will die soon and this will turn into a dead weight. With a focused reflector here, the light beam is generally strong, but a 3W LED will outperform this flashlight. An LED flashlight powered by a single 18650 battery will last over an hour and is 1/10 of the size of this monster.
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#4 dave_c




Joined: 22 Jul 2006
Posts: 25246
Location: Under a shade tree in a green meadow next to a bubbling brook

PostPosted: Mon Mar 04, 2013 7:49 pm    Post subject: Website Comment Reply with quote

^ Some data:

This has a 15W halogen bulb that produces about 350-400 lumens. A Cree XR-E, (R2 bin) produces around 200 lumens at 3W drive current.

You could underdrive a Cree XM-L LED and have about the same light output (@ running temperature), but it'll be above 3W drive power at that point.

For most uses yes a traditional 3W LED light will outperfom it as stock but it's not an apples to apples comparison, at a minimum you'll need a custom optic on the front because while this is called a spotlight, it's more of a broadbeam spot good for lighting say a 15' area on a wall a few dozen yards away at most, rather than what a typical thrower flashlight will do which is give you an intense small center point with faint spill around it.

In other words this is more like directed area lighting, creating a far more even light distribution, usable for a working environment more than for spotting. You can't really replace one type of light with the other, they both have their strengths in certain situations. I wish someone made something like this with a 4 x 18650 cell battery pack, LED driven to 5W. There probably is one out there somewhere, closer to $200 than to $10.

DX.com sells a bike light kit with almost all the parts in it you'd need to convert this housing and reflector to an LED light, including the 4 x cell battery pack and charger for about $38, except that their housing is its own integrated heatsink and won't stay cool enough encased in this rather than cooled by the airflow produced when riding a bike.

What I ended up doing to mod mine into an LED light was drill holes in the reflector, run long bolts through them, and mount a CPU heatsink on the rear that fills the whole cavity behind the reflector, then mounted the LED on that. IIRC it also needed a rubber o-ring (or equivalent) to insulate the LED star's electrical contacts from the metal reflector base, or you could machine something custom that protrudes further into the reflector
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#5 nextel2010




Joined: 07 May 2008
Posts: 794

PostPosted: Wed Mar 06, 2013 1:36 pm    Post subject: Website Comment Reply with quote

Ahhh....flashaholics central!

Recently got a Fenix TK41 running an XM-L U2. Thing has four levels, one of which is 335 lm. Love the fact that it runs on 8AA (4 in a pinch), but yeah, the thing will not flood a room like one of these monsters. I had one of these and would have loved to mod it, but the battery leaked out bad (plus, general laziness got in the way).
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