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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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905 Results
Niceboy SmartBulb AMBIENT E14 - LED Bulb
2 sizes
4.0 12×
Niceboy SmartBulb AMBIENT E14
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 5,5 W, 230 V, luminous flux 470 lm, adjustable light temperature (2700-6500 K), diameter of 3,6 cm, WiFi 2,4 GHz, compatible with Niceboy ION, control via app in Czech, lifespan 25000 h, energy label F, 1 piece in package
Buy with code ALZADNI20 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 20% s kódom ALZADNI20. Kliknite a kód sa uplatní automaticky. 8.72 €
10.90 €
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In stock 2 pcs
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Order Code: NCB21_01
Philips LED 40W A60 E27 2700K FR UE SRT4 - LED Bulb
5.0 1×
Philips LED 40W A60 E27 2700K FR UE SRT4
LED Bulb - lamp cap E27, power input 2,3 W, 230 V, luminous flux 485 lm, warm light (2700 K), diameter of 6 cm, lifespan 50000 h, energy label A, 1 piece in package
7.49 €
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In stock > 5 pcs
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Order Code: PHLS25021
Philips 50W GU10 CW 36D ND UE SRT4 - LED Bulb
3.5 2×
Philips 50W GU10 CW 36D ND UE SRT4
LED Bulb - lamp cap GU10, power input 2,4 W, 230 V, luminous flux 400 lm, neutral light (4000 K), diameter of 5 cm, lifespan 50000 h, energy label A, 1 piece in package
16.90 €
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In stock 4 pcs
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Order Code: PHLS25039
Philips 40W P45 E14 4000K CL UE SRT4 - LED Bulb
5.0 2×
Philips 40W P45 E14 4000K CL UE SRT4
LED Bulb - lamp cap E14, power input 2,3 W, 230 V, luminous flux 485 lm, neutral light (4000 K), lifespan 50000 h, energy label A, 1 piece in package
8.39 €
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In stock 3 pcs
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Order Code: PHLS25048
Philips LED 60W G95 E27 4000K CL UE SRT4 - LED Bulb
4.3 3×
Philips LED 60W G95 E27 4000K CL UE SRT4
LED Bulb - lamp cap E27, power input 4 W, 230 V, luminous flux 840 lm, neutral light (4000 K), diameter of 9,5 cm, lifespan 50000 h, energy label A, 1 piece in package
11.90 €
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In stock 3 pcs
Order Code: PHLS25027
Philips LED 40W A60 E27 2700K CL UE SRT4 - LED Bulb
5.0 1×
Philips LED 40W A60 E27 2700K CL UE SRT4
LED Bulb - lamp cap E27, power input 2,3 W, 230 V, luminous flux 485 lm, warm light (2700 K), diameter of 6 cm, lifespan 50000 h, energy label A, 1 piece in package
7.49 €
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In stock 1 pcs
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Info
Order Code: PHLS25019
RETLUX RLL 643 G45 E27 miniG 8W DL D - LED Bulb
3 variants
4.8 12×
RETLUX RLL 643 G45 E27 miniG 8W DL D
LED Bulb - lamp cap E27, power input 8 W, 230 V, luminous flux 1080 lm, cool light (6500 K), lifespan 25000 h, energy label D, 1 piece in package
Buy with code ALZADNI15 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 15 % s kódom ALZADNI15. Kliknite a kód sa uplatní automaticky. 3.14 €
3.69 €
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In stock > 20 pcs
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Info
Order Code: RTLX24060
RETLUX RLL 633 G45 E14 miniG 6W CW D - LED Bulb
5 variants
4.9 30×
RETLUX RLL 633 G45 E14 miniG 6W CW D
LED Bulb - lamp cap E14, power input 6 W, 230 V, luminous flux 810 lm, neutral light (4000 K), lifespan 25000 h, energy label D, 1 piece in package
2.49 €
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In stock > 50 pcs
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Order Code: RTLX24056
RETLUX RLL 627 C37 E14 candle 6W CW D - LED Bulb
5 variants
4.5 50×
RETLUX RLL 627 C37 E14 candle 6W CW D
LED Bulb - lamp cap E14, power input 6 W, 230 V, luminous flux 810 lm, neutral light (4000 K), lifespan 25000 h, energy label D, 1 piece in package
2.49 €
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In stock > 20 pcs
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Info
Order Code: RTLX24049
RETLUX RLL 470 SMD G4 12V 2W WW - LED Bulb
3.5 2×
RETLUX RLL 470 SMD G4 12V 2W WW
LED Bulb - lamp cap G4, power input 2 W, 12 V, luminous flux 220 lm, warm light (3000 K), lifespan 15000 h, energy label F, 1 piece in package
2.89 €
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In stock > 10 pcs
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Info
Order Code: RTLX24027
EMOS Classic A60, E27, 9,5 W (75 W), 1055 lm, warm white, 3 pcs - LED Bulb
10+ variants
4.8 172×
EMOS Classic A60, E27, 9,5 W (75 W), 1055 lm, warm white, 3 pcs
LED Bulb - lamp cap E27, power input 9,5 W, 230 V, luminous flux 1055 lm, warm light (2700 K), diameter of 6 cm, lifespan 30000 h, energy label E, 3 in package - 1.93 €/ks
Great price 5.79 € Save 0.41 €
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In stock > 10 pcs
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Order Code: EMOS24103
Wi-Fi BLE 40W C37 E14 922-65 RGB 3CT/6 - LED Bulb
5.0 1×
Wi-Fi BLE 40W C37 E14 922-65 RGB 3CT/6
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 4,9 W, 230 V, luminous flux 470 lm, adjustable light temperature (2200-6500 K), diameter of 3,9 cm, WiFi 2,4 GHz and Bluetooth, control via app in both Czech and English, lifespan 15000 h, energy label F, 3 in package
40.90 €
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In stock 4 pcs
Order Code: WiZ23016
Philips LED 60W ST64 E27 2700K CL UE SRT4 - LED Bulb
5.0 3×
Philips LED 60W ST64 E27 2700K CL UE SRT4
LED Bulb - lamp cap E27, power input 4 W, 230 V, luminous flux 840 lm, warm light (2700 K), diameter of 6,4 cm, lifespan 50000 h, energy label A, 1 piece in package
8.79 €
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In stock 3 pcs
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Order Code: PHLS25025
OSRAM spiral LED bulb E27 4W VINTAGE 1906, warm white - LED Bulb
5.0 1×
OSRAM spiral LED bulb E27 4W VINTAGE 1906, warm white
LED Bulb - lamp cap E27, power input 4 W, luminous flux 140 lm, warm light (1800 K), lifespan 15000 h, energy label G, 1 piece in package
6.09 €
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: osra25022
RETLUX RLL 608 A60 E27 bulb 12W DL D - LED Bulb
5 variants
4.0 8×
RETLUX RLL 608 A60 E27 bulb 12W DL D
LED Bulb - lamp cap E27, power input 12 W, 230 V, luminous flux 1620 lm, cool light (6500 K), lifespan 25000 h, energy label D, 1 piece in package
Buy with code ALZADNI15 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 15 % s kódom ALZADNI15. Kliknite a kód sa uplatní automaticky. 4.24 €
4.99 €
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In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX24038
EMOS Classic A60, E27, 13 W (100 W), 1521 lm, warm white, 3 pcs - LED Bulb
10+ variants
4.8 172×
EMOS Classic A60, E27, 13 W (100 W), 1521 lm, warm white, 3 pcs
LED Bulb - lamp cap E27, power input 13 W, 230 V, luminous flux 1521 lm, warm light (2700 K), diameter of 6 cm, lifespan 30000 h, energy label E, 3 in package - from 3.27 €/ks
from  9.82 €
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In stock > 5 pcs
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Info
Order Code: EMOS24120
EMOS Classic Mini Globe, E14, 4.2 W (40 W), 470 lm, neutral white - LED Bulb
9 variants
4.8 96×
EMOS Classic Mini Globe, E14, 4.2 W (40 W), 470 lm, neutral white
LED Bulb - lamp cap E14, power input 4,2 W, 230 V, luminous flux 470 lm, neutral light (4000 K), diameter of 4,5 cm, lifespan 30000 h, energy label E, 1 piece in package
from  1.97 €
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In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EMOS24095
EMOS Classic A60, E27, 4 W (40 W), 470 lm, warm white - LED Bulb
10+ variants
4.8 172×
EMOS Classic A60, E27, 4 W (40 W), 470 lm, warm white
LED Bulb - lamp cap E27, power input 4 W, 230 V, luminous flux 470 lm, warm light (2700 K), diameter of 6 cm, lifespan 30000 h, energy label E, 1 piece in package
2.29 €
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EMOS24072
OSRAM 10XBLI1, E14, 15W, 300 °C, clear - Oven Bulb
5.0 7×
OSRAM 10XBLI1, E14, 15W, 300 °C, clear
Oven Bulb - energy label G, power input 15 W, 230 V, Filament, luminous flux 85 lm, warm light (2700 K), diameter 2,2 cm, lifetime 1000 h
3.89 €
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: osra25107
Philips Hue White Ambiance 5.1W MR16 2P EU - LED Bulb
2 variants
5.0 1×
Philips Hue White Ambiance 5.1W MR16 2P EU
LED Bulb - smart, lamp cap GU5,3 - lamp cap GU5,3, power input 5,1 W, 230 V, luminous flux 400 lm, adjustable light temperature (2200-6500 K), diameter of 5 cm, Bluetooth, compatible with Apple Home, Google Home, Samsung SmartThings, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label G, 2 in package
79.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS23019
Tesla - LED bulb BULB E27, 8W, 230V, 806lm, 25 000h, 3000K warm white, 220st 5pcs in pack - LED Bulb
10+ variants
4.8 212×
Tesla - LED bulb BULB E27, 8W, 230V, 806lm, 25 000h, 3000K warm white, 220st 5pcs in pack
LED Bulb - lamp cap E27, power input 8 W, 230 V, luminous flux 806 lm, warm light (3000 K), diameter of 6 cm, lifespan 25000 h, energy label F
Buy with code ALZADNI15 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 15 % s kódom ALZADNI15. Kliknite a kód sa uplatní automaticky. 6.69 €
7.87 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TslLigh22_63
RETLUX RLL 651 R50 E14 Spot 8W WW D - LED Bulb
3 variants
4.4 20×
RETLUX RLL 651 R50 E14 Spot 8W WW D
LED Bulb - lamp cap E14, power input 8 W, 230 V, luminous flux 1080 lm, warm light (3000 K), lifespan 25000 h, energy label D, 1 piece in package
3.69 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX24045
RETLUX RLL 607 A60 E27 bulb 12W CW D - LED Bulb
5 variants
4.2 9×
RETLUX RLL 607 A60 E27 bulb 12W CW D
LED Bulb - lamp cap E27, power input 12 W, 230 V, luminous flux 1620 lm, neutral light (4000 K), lifespan 25000 h, energy label D, 1 piece in package
Buy with code ALZADNI15 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 15 % s kódom ALZADNI15. Kliknite a kód sa uplatní automaticky. 4.24 €
4.99 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX24033
Philips Hue White Ambiance 4.6W 550 Filament candle E14 - LED Bulb
2 variants
5.0 3×
Philips Hue White Ambiance 4.6W 550 Filament candle E14
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 4,6 W, 230 V, filament, luminous flux 350 lm, adjustable light temperature (2200-4500 K), diameter of 3,9 cm, Bluetooth, compatible with Apple Home, Philips Hue, control via app in both Czech and English, lifespan 15000 h, energy label G, 1 piece in package
53.09 €
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHL22030

Light Bulbs & Fluorescent Lights

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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Light Bulbs & Fluorescent Lights

In the category Light Bulbs & Fluorescent Lights on Alza.sk, we currently have a total of 944 products, which you can easily buy online and get quickly delivered. See all of your purchases and make orders on our easy-to-use app.
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