7w LED Downlight Bulb Warm White $12.50

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EnergySavers

• 

  bernsy on 27/12/2011 - 13:46

  Hi

  Hope you had a nice break. It would be great if you can also do a deal for the E27 bulbs as well.

  Cheers

  • 

    Store Repenergysaver @ EnergySavers on 27/12/2011 - 15:33

    i would if i could but the price on them is till expensive

    • 

      IVI on 27/12/2011 - 18:00

      I was about to order several…

      but… $9 to ship each one unit?!?

      Even HK-based eBay vendors have stopped spreading cost across into S+H fees.

      How many units could $9 S+H carry to, say, Adelaide?

      Maybe you should offer cheaper shipping alternatives…

      • 

        Geewhizz on 28/12/2011 - 07:04

        It's a $9 flat rate. Technically, if you ordered 100 it would still cost $9.

        A flat rate of shipping that seems high if you order just a single item is fairly common, so this is really nothing out of the ordinary.

        Having said that, I've seen these cheaper locally.

• 

  dy4me on 27/12/2011 - 13:53

  r u guys closed till the 3 jan?

  • 

    Store Repenergysaver @ EnergySavers on 27/12/2011 - 15:34

    we will still be sending them out tomorrow

• 

  Russ on 27/12/2011 - 14:51

  +1

  This deal appears to be a re-post of this (expired) deal:
  http://www.ozbargain.com.au/node/58853

  If you have any questions about this product, they have probably already been answered in the previous post.

  • 

    IVI on 27/12/2011 - 18:03

    +1

    Not quite a clone deal… Today's shipping costs $2.00 MORE.

    See my earlier comment, above.

• 

  Alzori on 27/12/2011 - 15:19

  +1

  Turns out it also doubles as a social networking platform:

  Looking for a quality Taiwanese built LED Downlight that you can reply on?

  I know I am.

• 

  Krazyy on 27/12/2011 - 18:15

  realistically, if i were to install 7 of these in my kitchen (used quite often) but lets just say 1hour per day, how much $$ will you actually save per year based on current pricing of electricity? (excuse my ignorance) - and yes, i have 7 of the non-led style already installed (I believe 50w)

  • 

    llama on 27/12/2011 - 18:58

    +1

    1 hr per day x 365 days = 365 hrs per annum. Electricity cost guessed at 25c per kWh, which means 365hrs x $0.25 / 1000 - total annual cost is $0.09125 per watt.

    The LEDs in teh OP are rated 7W, but they run on a transformer. If you use a electronic transformer you would allow a minimum of 3W extra for transformer losses. So, let's say that they are 10W each.

    A) If the existing downlights are 50W 240V (GU10) then you save 40W each. So your annual saving would be $3.65 EACH per year

    B) If the existing ones are 12V 50W with electroicnic transformers, you are using about 55W and will save 45W each. So your annual saving would be $4.10 EACH per annum.

    Keep in mind that the output will be dramatically less with the LEDs compared to halogen. If that is acceptable to you, then you need to compare with either 20W or 35W halogens, because that is what you could already save without spending $ to install LEDs.

    Despite the claims made by LED suppliers, the reality is that typically, a 7W LED will have an output approximately equivalent to a about a 30W 12V halogen, or a 20W IRC halogen. They are generally at best about 4 times more efficient than 12V halogen.

    The LEDs in this post are rated at 420 lumens. That is on day #1, and every day onwards the output will drop - after 10,000 hours it might be 1/2, it might be 10% of the initial output. Halogens do not suffer this same dramatic drop in output.

    The day #1 output of this 7W LED is less than HALF the output of a 50W Halogen like an Osram Titan, or a 35W Osram IRC which have an output of 900 lumens. A fair comparison would be the 7W LED to a 20W IRC, so the "real" savings would be:

    13W x 365 days x $0.25 / 1000 = $1.19 EACH per annum (per hour)

    It's definitely worthwhile, but just don't get sucked in by false claims of equivalency. This is the #1 way that the LED suppliers shonk customers - you need a VERY well designed 10 to 12W LED Downlight with a large integrated heatsink assemby to get anywhere near "equal" to a 50W (or 35W IRC) halogen.

    • 

      Store Repenergysaver @ EnergySavers on 27/12/2011 - 20:30

      -1

      I never have said my lights is s 50w comparison but more like 45w which is a good buy in my opinion

    • 

      Russ on 28/12/2011 - 00:06

      "That is on day #1, and every day onwards the output will drop - after 10,000 hours it might be 1/2, it might be 10% of the initial output. Halogens do not suffer this same dramatic drop in output."

      Halogens DO suffer a dramatic drop in output - they are typically rated only 1000 to 2000 hours, at which time their output drops to ZERO in milliseconds. At the 10,000 hour mark, the LED is still working (but likely dimmed), while the halogen bulb has been totally dark for 8000 hours of that time.

      Even ignoring the cost savings from reduced electricity bills, LED lights will save you on the bulb costs. At 10,000 hours, you would have gone through at least five halogen bulbs at about $3 (Jaycar) each, total cost at least $15. Or you could have one LED bulb that might be getting dim enough to replace it at the 10,000 hour mark, costing $12.50, but still usable beyond the 10,000 hour mark.

• 

  [Deactivated] on 27/12/2011 - 18:37

  Approximately 1c for every hour it is on for electricity.
  (Using a 43W power saving and 22c per kWh for power)
  It should also last 5-10 times longer so you you also save on bulb replacement.