4W Epistar LED Downlight Bulb Warm White. Pack of 12 - $120 Delivered (Save $60)

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Avancer

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  delfredo on 09/01/2012 - 18:34

  I get the German made Osram Halogen Energy Saver, 35w, 36 degrees, 12V, GU5.3 which costs approx $5 from Bunnings. Although it's significantly more expensive than an ordinary 50w halogen bulb, it is not as bright so I'm not sure if I want to pay more again for a LED bulb which in turn emits less light.

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    Store Repavancersales @ Avancer on 09/01/2012 - 18:36

    +2

    I don't think its going to be that much of a difference to be honest. I had a few people looking up at my ceiling trying to figure out which one the LEDs were and which ones were 50W Halogens and took them a while to get it…Also you are saving 31W per bulb which is HUGE!

    • 

      [Deactivated] on 09/01/2012 - 18:38

      Yep in terms of energy consumption there is no comparison. And theoretically the LED will last a heck of a lot longer too.

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  [Deactivated] on 09/01/2012 - 18:37

  "Warm white" = yellow. Personally I would avoid, though 3500K isn't too bad for bedrooms

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    Store Repavancersales @ Avancer on 09/01/2012 - 18:39

    Yeh I think 3500K is the sweet spot for bedrooms, offices usually go for Cool White but I think Warm feels more natural.

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  Alzori on 09/01/2012 - 18:39

  Wow, pretty solid price from an aussie seller :) Even DX is roughly this price, but you can buy individual bulbs. We've been half considering these, but we only use them in the bathroom - and we use the 240v ones with the GU10's

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    Store Repavancersales @ Avancer on 09/01/2012 - 18:41

    Happy to do $10 for an individual bulb but only for pickup (Tullamarine, 3043) since bundling them like this saves us quite a bit for postage.

    Looking at getting the GU10s in soon!

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      Alzori on 09/01/2012 - 19:10

      Oh, that's quite fair. Please post a deal when you have them in :)

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  llama on 09/01/2012 - 18:54

  +5

  These are 4W Led Bulbs which are roughly equivalent to 35-50W Halogens.

  What a load of rubbish. There is no way in the world that a 4W LED is equivalent to even a 20W halogen. Unless you have broken the laws of physics and selling them for $10 each?

  *Output: 240 lumens

  A 50W standard halogen is 900 lumens, and anyway it's highly unlikely that a $10 LED would be hitting 60 lumens per watt anyway. Maybe on day one they might crack that, but it's all downhill after that, due to lumen depreciation.

  Soon there will be Australian and International Standards to stop suppliers falsely advertising LEDs, but until then it's just got to be a case of "buyer beware".

  I use these at home myself and yes you can notice the difference in light with halogens, but my personal opinion is that there is not that much of a difference in terms of brightness.

  You are confusing "brightness" with output. Yes, they probably are as "bright" (create as much glare) as a halogen, but the output will be significantly lower. The output (lumens) is what illuminates the room… and even with the best quality LEDs ($50 to $100 price bracket) you need between 9 and 12W to match the output of a 50W halogen.

  These are almost certainly only equivalent to a 20W halogen - still a good power saving, nevertheless. 16W run 10 hours per day is 58.4 kWh per annum. At 25c, that's a saving of $14.60 a year which is certainly not "hundreds" but it does add up.

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    delfredo on 09/01/2012 - 20:08

    Many mention power saving as the benefit of running LEDs but what's the point of saving power if the brightness/output is sacrificed? It's not a comparable saving. Let's be practical about our lighting needs and look for the best option/alternative for that level of brightness required. If the brightness of a 20w halogen is all that you need, then this 4w LED might suffice and probably represent a good deal for you.

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  Alzori on 09/01/2012 - 19:28

  +2

  A 20W is exactly what these should be equivalent too. From my searching I've found that generally LED's will produce as much light as an incandescent with 5x the wattage rating. The lumens ratings seem to support this, with the 240 quoted for this bulb being in the realms of the 300 lumens listed for this 20W on the only site I found that listed this stat. Many LED's will have a more concentrated beam I've found to compensate for the lack of output, though I haven't checked if this is the case for this bulb.

  [[Meant to be a reply to llama above]]

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  Dr Techno on 10/01/2012 - 09:18

  These cost $3.50 AUD each from electronics markets in China, which Im heading off too in another week. :)

  Wouldn't you need proper LED drivers for this, since Halogen normally have 3 or 4 lights per transformer and may not generate minimum load exmaple. Min load of 20W per transformer, etc.. ?

  Issue highlighted here - http://forums.energymatters.com.au/energy-efficiency/topic19…