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Light Bulbs & Fluorescent Lights

What type of bulb and socket to choose? We will advise you.

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Socket

The base part of the bulb that connects to the lamp. There are several types of fittings:

E27

 27 mm in diameter, this is one of the most common fittings. It’s used by almost every light source with a voltage of 230 V, i.e. classic incandescent lamps, halogen, energy-saving, and LED bulbs. You can usually find this type in ceiling or wall lighting fixtures or chandeliers.

E14

 Has the same screw as E27, so once again, it’s used in classic incandescent lamps, halogen, energy-saving, and LED bulbs. They differ only in diameter, which in this case is 14 mm. The operating voltage is 230 V. Commonly used in smaller lamps, spot lights, and candelabra and chandeliers consisting of a large number of light bulbs.

GU10

 This slot has no screw. Instead, it has two pins with a diameter of 5 mm that you snap into the lamp and twist slightly. Its operating voltage is 230 V and this type is most commonly encountered in halogen or LED bulbs. It is used in ceiling lights, spot lights, or in bathroom and lavatory fixtures.

G4

 A threadless socket, it features two pins 4 mm apart that you snap into the lamp. Its operating voltage is 12V. Most commonly found in kitchen counter lighting fixtures, low ceilings, or bars.

GU5.3

 Another threadless socket, it features two pins 1 mm in diameter and spaced 5.3 mm apart. The socket is designed for 12V. The light source is usually a halogen or LED bulb. Mainly used in smaller lamps and spot lights.

G9

 A threadless socket similar to GU10. It has two pins that snap into the lamp. This is the smallest size for 230V halogen and LED bulbs. Most commonly used in ceiling fixtures, spot lights, or in bathroom and lavatory fixtures.

R7s

 A linear, tube-shaped socket inserted into a fork with a pitch of 78-189 mm. Its operating voltage is 230 V. Used in halogen spotlights, LED lamps, floor lamps, or architectural lighting fixtures.

Technology

Incandescent light bulbs

  • The cheapest light source when it comes to purchase cost. The massive heat loss, however, makes them very inefficient. Over 90% of the consumed energy is converted into heat and only the remaining 10% into light. Their service life is also low – 1,000 hours on average.

Halogen bulbs

  • About 30% more efficient than incandescent bulbs. Illuminate at the full power right after you switch them on, can be dimmed, and their purchase cost is lower than that of LED bulbs. Their operating costs are considerably higher, so they are mainly used in places where you need strong light for a short time. Their service life is 2,000 to 3,000 hours.

Energy-effcient light bulbs

  • Roughly 75% more efficient than incandescent bulbs. After switching, it takes a while before they reach their maximum brightness, so they aren’t suitable for places where lights are often turned on and off. Lose their original luminance after a few years. Their service life ranges between 6,000 and 20,000 hours.

LED bulbs

  • The latest and most efficient technology. Their service life is remarkable - usually between 20,000 and 50,000 hours. Achieve high brightness with minimum energy consumption. A 9W LED bulb is equivalent to a 60W halogen lamp.
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862 Results
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Buy with code ALZADNY15 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 15 % s kódem ALZADNY15. Klikněte a kód se uplatní automaticky. 76,-
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RETLUX RLL 607 A60 E27 bulb 12W CW D - LED Bulb
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RETLUX RLL 643 G45 E27 miniG 8W DL D - LED Bulb
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Philips LED 4-60W, E27, 4000K, milky, A - LED Bulb
4.5 6×
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McLED T8 LED tube 9 W, 4000 K, CRI80, 1125 lm 125 lm/W, 600 mm - LED Lamp
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McLED T8 LED tube 9 W, 4000 K, CRI80, 1125 lm 125 lm/W, 600 mm
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Nedis LED bulb, E14, G45, 4,9 W, 470 lm, 2700 K - LED Bulb
5.0 2×
Nedis LED bulb, E14, G45, 4,9 W, 470 lm, 2700 K
LED Bulb - lamp cap E14, power input 4,9 W, 230 V, luminous flux 470 lm, lifespan 15000 h, energy label F, 1 piece in package
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Nedis LED bulb, E14, candle, 2,8 W, 250 lm, 2700 K, 3 pieces - LED Bulb
5.0 3×
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RETLUX RLL 665 R63 E27 Spot 8W WW D - LED Bulb
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RETLUX RLL 665 R63 E27 Spot 8W WW D
LED Bulb - lamp cap E27, power input 8 W, 230 V, luminous flux 1080 lm, warm light (3000 K), lifespan 25000 h, energy label D, 1 piece in package
Buy with code ALZADNY15 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 15 % s kódem ALZADNY15. Klikněte a kód se uplatní automaticky. 76,-
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RETLUX RLL 653 R50 E14 Spot 8W DL D - LED Bulb
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RETLUX RFL 602 Filament A60 E27 bulb 8W WW D - LED Bulb
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Buy with code ALZADNY20 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky. 87,-
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RETLUX RLL 602 A60 E27 bulb 7W DL D - LED Bulb
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McLED T8 LED tube 23 W, 4000 K, CRI80, 2875 lm, 125 lm/W, 1500 mm - LED Lamp
McLED T8 LED tube 23 W, 4000 K, CRI80, 2875 lm, 125 lm/W, 1500 mm
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McLED T8 LED tube 25 W, 4000 K, CRI80, 3300 lm, 130 lm/W, 1500 mm - LED Lamp
McLED T8 LED tube 25 W, 4000 K, CRI80, 3300 lm, 130 lm/W, 1500 mm
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McLED T8 LED tube 23 W, 4000 K, CRI80, 2415 lm, 105 lm/W, 1500 mm - LED Lamp
McLED T8 LED tube 23 W, 4000 K, CRI80, 2415 lm, 105 lm/W, 1500 mm
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Tesla LED tube, SMD technology, T8, G13, 1500mm, 24W, 230V, 3840lm, 4000K, milky - LED Lamp
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AlzaPower LED 6-40W, GU10, 2700K, set of 2 - LED Bulb
2 variants
4.4 215×
AlzaPower LED 6-40W, GU10, 2700K, set of 2
LED Bulb - lamp cap GU10, power input 8 W, 230 V, luminous flux 720 lm, warm light (2700 K), diameter of 5 cm, lifespan 25000 h, energy label F, 2 in package - 50 Kč/ks
Buy at the price for both existing and new AlzaPlus+ members 89,-
Great price 99,-
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AlzaPower LED 9-60W, E27, R63, 2700K, set of 2 - LED Bulb
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LED Bulb - lamp cap E27, power input 9 W, 230 V, luminous flux 820 lm, warm light (2700 K), diameter of 6,3 cm, lifespan 25000 h, energy label F, 2 in package - 60 Kč/ks
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SMD Linear J118 10W/R7s/230V/6000K/1120Lm/360°/A+ - LED Bulb
4.3 15×
SMD Linear J118 10W/R7s/230V/6000K/1120Lm/360°/A+
LED Bulb - lamp cap R7s, power input 10 W, 230 V, luminous flux 1120 lm, diameter of 1,8 cm, lifespan 30000 h, energy label G, 1 piece in package
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Philips LED Classic 8.5-75W, E27, Matte, 2700K - LED Bulb
2 variants
4.5 62×
Philips LED Classic 8.5-75W, E27, Matte, 2700K
LED Bulb , power input 8,5 W, luminous flux 1055 lm, diameter of 6 cm, 1 piece in package
Amazing Deal from  120,- Save 15.77
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SMD LED Capsule 11W/G9/230V/4000K/920Lm/300° - LED Bulb
3.3 13×
SMD LED Capsule 11W/G9/230V/4000K/920Lm/300°
LED Bulb - lamp cap G9, power input 11 W, 230 V, luminous flux 920 lm (4000 K), diameter of 1,8 cm, energy label G, 1 piece in package
Discounted -31 % 109,- 159,-
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Nedis LED bulb, E14, candle, 4,5 W, 470 lm, 2700 K, retro - LED Bulb
4.9 14×
Nedis LED bulb, E14, candle, 4,5 W, 470 lm, 2700 K, retro
LED Bulb - lamp cap E14, power input 4,5 W, 230 V, luminous flux 470 lm, lifespan 15000 h, energy label F, 1 piece in package
89,-
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In stock > 20 pcs at the supplier's
Order Code: Nedis24039
SMD LED Spotlight MR11 2.5W/GU4/12V AC-DC/4000K/210Lm/30° - LED Bulb
3.9 10×
SMD LED Spotlight MR11 2.5W/GU4/12V AC-DC/4000K/210Lm/30°
LED Bulb - lamp cap GU4, power input 2,5 W, 12 V, luminous flux 210 lm (4000 K), diameter of 3,5 cm, lifespan 30000 h, energy label F, 1 piece in package
Discounted -13 % 129,- 149,-
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LuDream Red 3 W, without blue component (E14) - LED Bulb
2 colors
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LuDream Red 3 W, without blue component (E14)
LED Bulb - lamp cap E14, 240 V, luminous flux 150 lm (1100 K), diameter of 3,5 cm, lifespan 25000 h, energy label G, 1 piece in package
350,-
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Alza Days LED Bulbs LED bulbs Light Bulbs & Fluorescent Lights Sorted by Socket by Socket Fluorescent Tube Lamps Fluorescent Tubes Smart Light Bulbs Light Sources Efficient Lamps Efficient Spotlight Bulbs Spotlight Oven Light Bulbs Oven Vintage & Retro Light Bulbs Retro Light Bulb Value Packs Value Packs Car Lightbulbs Car Bulbs AlzaPower Light Bulbs & Fluorescent Lights AlzaPower Jak vybrat žárovku
 

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