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Long Life Lamp G4 Halogen Light Bulbs Lamps, 20 Watt 12 V, Pack of 10 [Energy Class C]

3.8 out of 5 stars 759 customer reviews
| 10 answered questions

Price: £4.10 & FREE Delivery in the UK on orders over £20. Details
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2 new from £4.10
20 Watts
    This fits your .
  • Enter your model number above to make sure this fits.
  • Built in safety fuse prevent bulb exploding
  • Long Life 2,000 hours approximate life
  • UV Stop
  • Dimmable
  • 12v Low Voltage Bulb

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£4.10 & FREE Delivery in the UK on orders over £20. Details In stock. Dispatched from and sold by Amazon. Gift-wrap available.

Frequently Bought Together

  • Long Life Lamp G4 Halogen Light Bulbs Lamps, 20 Watt 12 V, Pack of 10
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Wattage: 20 Watts

Product Information

Wattage: 20
Technical Details
Brand Long Life Lamp Company
Item Weight41 g
Product Dimensions16.2 x 10.4 x 1.2 cm
Item model numberG420W-10P
Part Number G420W-10P
Number of Items12
Colour Warm White
Shape Tubular
Voltage 12 volts
Fixture Features Dimmable
Type of Bulb Halogen
Cap Type G4
EU Energy Efficiency Label C
Luminous Intensity 320 candela
Luminous Flux 320 lumen
Wattage 20 watts
Incandescent Equivalent 20 watts
Bulb Features Long Life and Dimmable
Colour Temperature 2900 Kelvin
Average Life 2000 hours
Bulb Diameter 9 millimetres
Bulb Length 30 millimetres
Beam Angle 360 degrees
Start Up Time instant
Warm Up Time instant
  
Additional Information
ASINB003IVUYTU
Best Sellers Rank 30 in Lighting (See top 100)
Shipping Weight41 g
Date First Available23 April 2010
  
 


Important Information

Light Bulb Recycling
View recycling information for this and other types of lamps.

Light Bulb Breakage and Clean Up Information
Learn more about how to clean up and dispose of broken or damaged lamps.

Energy Efficiency

Lamp efficiency is rated on a scale of A to G 
Lamp efficiency is rated on a scale of A to G C

Product Description

Wattage:20 Watts

Product Description

These are very RELIABLE G4 Halogen light bulb with clear strengthened glass cover and UV stop, bulbs is also dimmable, colour temperature 2900k, fitted with Integral safety fuse to prevent bulb exploding, constructed to very quality for extended reliability and CE, 12v bulbs

Box Contains

  • 1 × Outer box contains 6 smaller boxes of G4 Bulbs each small box contains 500 bulbs which is 50 blister packs each blister as 10 bulbs total blister packs 300, total bulbs per outer box 3000, for sale is 1 blister pack of 10

  • Customer Questions & Answers

    Customer Reviews

    Top Customer Reviews

    Wattage: 20 Verified Purchase
    Over a period of 12 years, I have replaced the bulbs in my two Halogen lamps 7 times, and they are both in daily useage. In other words in the two lamps I have used 7 Bulbs

    Since November 2013 when I purchased these bulbs I have used 4 bulbs. After the second one went in my first light I replaced it with the old bulb from my second light. That is still burning brightly, but I have used two of these bulbs in my second light. I estimate I am getting 3 weeks per bulb, as opposed to 3 years per bulb of the ones I purchased in Woolworths when I bought the lights 12 years ago.
    Comment 27 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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    By JackJack HALL OF FAMETOP 10 REVIEWER on 5 Mar. 2015
    Wattage: 10 Verified Purchase
    I got a packet of these bulbs to fit the under-cupboard lights in our kitchen. This is a pretty intensive use-case, since they are kept on for long periods throughout the day (especially in the winter). They are well-made and there were no duds (I know, I know, it should be pretty standard for bulbs to work out of the box, but I've had numerous failures from supermarket own-brand bulbs).

    I fitted 6 of these in my kitchen on 10th Jan 2015; at the 2-month mark, none have failed. That's already pretty good (the Tesco value ones usually last a month).

    I'll update this review to report back about long-term durability in future.

    EDIT 21/5/2015: 5 months and still going strong.
    Comment 12 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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    Wattage: 20 Verified Purchase
    I use this light in my bathroom cabinets and in the kichen under the well cabinets. They are relatively bright for such a small light bulbs and easy to replace, they last about 8-12 months on daily useage. I do recommend them to anyone.
    Comment 15 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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    Wattage: 10 Verified Purchase
    well worth the money, i got sick of buying replacement bulbs that would never last long and cost more to buy for a twin pack.
    glad i bought these, a good saving all round and they last longer, have not had to replace one yet. buy some.

    update, these are excellent bulbs, i have only used one since day of purchase, much much better than what you get in the shops.
    excellent value.
    Comment 13 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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    Wattage: 20 Verified Purchase
    These bulbs are really quite tricky to fit in my house but I took extra care fitting them in under cupboard fittings, I even took care not to touch the bulbs to avoid skin oils which could cause them to blow. Even after the care that I took each and every bulb has blow and the replacements I put in, 6 of the 10 bulbs in all lasting a maximum of 3-4 days. These really aren't fit for sale, I've packaged the 6 faulty and 4 not used back up for return and credit.

    I would expect cheap substandard products from a market place seller but not when buying directly from amazon. I can only think I got some from a bad batch but there are a lot of 1 star reviews appearing and they are the ones to pay attention to.
    Comment 8 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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    Wattage: 20 Verified Purchase
    All ten bulbs lasted last than two weeks. Went to pound land and found pack of two and have lasted over month already.
    Comment 10 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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    Wattage: 20 Verified Purchase
    Long life by who's reckoning? I started writing down when I fitted them and realised some lasted all of two months! To be fair one hasn't blown yet but if it wasn't for others lasting a couple of years, I'd be checking my wiring!!
    Comment 4 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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    Wattage: 20 Verified Purchase
    Along with many other reviewers, I've found these are poor replacements for the originals. Life of these bulbs has ranged from 10 minutes to 2 months. I thought the pack of 10 would last me a long time, but they're all gone within 6 months and as they're so fiddly to fit you just don't want to be changing them that often.
    Comment 5 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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    Wattage: 20 Watts