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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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944 Results
Solight LED bulb, spot, 7W, GU10, 6000K, 595lm, white - LED Bulb
4.8 28×
Solight LED bulb, spot, 7W, GU10, 6000K, 595lm, white
LED Bulb - lamp cap GU10, power input 7 W, 230 V, luminous flux 595 lm, cool light (6000 K), diameter of 5 cm, lifespan 35000 h, energy label E, 1 piece in package
59,-
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In stock > 50 pcs
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Order Code: Solight24055
SMD LED Linear J118 10W R7s - LED Bulb
4.3 13×
SMD LED Linear J118 10W R7s
LED Bulb - lamp cap R7s, power input 10 W, 230 V, luminous flux 1010 lm, diameter of 1,8 cm, lifespan 30000 h, energy label E, 1 piece in package
319,-
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In stock > 10 pcs
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Order Code: SYLzar009
Solight miniglobe E14 LED bulb 6W 4000K - LED Bulb
5.0 67×
Solight miniglobe E14 LED bulb 6W 4000K
LED Bulb - lamp cap E14, power input 6 W, neutral light (4000 K), diameter of 4,5 cm, energy label F, 1 piece in package
49,-
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In stock > 20 pcs
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Order Code: SD078v
Philips Hue White Ambiance 4.3W GU10 - LED Bulb
3 variants
4.8 69×
Philips Hue White Ambiance 4.3W GU10
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 4,3 W, 230 V, luminous flux 350 lm, adjustable light temperature (2200-6500 K), diameter of 5 cm, Bluetooth, compatible with Apple Home, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label G, 1 piece in package
from  849,-
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In stock 4 pcs
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Order Code: PHL19058
McLED T8 LED tube 18 W, 4000 K, CRI80, 1890 lm, 105 lm/W, 1200 mm - LED Lamp
5.0 5×
McLED T8 LED tube 18 W, 4000 K, CRI80, 1890 lm, 105 lm/W, 1200 mm
LED Lamp - G13 socket, energy label F, power input 18 W, 230 V, luminous flux 1890 lm, neutral light (4000 K), colour Rendering Index (CRI) 80 Ra, diameter 2,9 cm, service life 40000 h
133,-
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In stock > 10 pcs at the supplier's
Order Code: MCLled002
IMMAX NEO LITE Smart 3x LED bulb E14 6W RGB+CCT colour and white, dimmable, WiFi, P45 - LED Bulb
4.3 10×
IMMAX NEO LITE Smart 3x LED bulb E14 6W RGB+CCT colour and white, dimmable, WiFi, P45 + prodloužená záruka o 1 rok ZDARMA
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 6 W, 230 V, luminous flux 470 lm, adjustable light temperature (2700-6500 K), diameter of 4,5 cm, WiFi 2,4 GHz, compatible with Apple Siri shortcuts, Tuya, Lidl Home, Immax NEO PRO, control via app in both Czech and English, lifespan 25000 h, energy label F, 3 in package - from 159 Kč/ks
from  476,-
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In stock > 10 pcs
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Order Code: IMXX21388
Yeelight Smart LED Bulb W4 Lite(Multicolour) - 4 pack - LED Bulb
2 sizes
3.9 52×
Yeelight Smart LED Bulb W4 Lite(Multicolour) - 4 pack
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 9 W, 230 V, luminous flux 806 lm, adjustable light temperature (2700-6500 K), diameter of 6 cm, WiFi 2,4 GHz, compatible with Apple Home, Google Home, Samsung SmartThings, control via app in English, lifespan 25000 h, energy label F, 4 in package
1,199,-
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In stock > 5 pcs
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Order Code: YeeLa57
TESLA LED Bulb Mini-globe BULB E14, 8W, Day White - LED Bulb
4 variants
4.8 110×
TESLA LED Bulb Mini-globe BULB E14, 8W, Day White
LED Bulb - lamp cap E14, power input 8 W, 230 V, luminous flux 900 lm, neutral light (4000 K), diameter of 4,5 cm, lifespan 25000 h, energy label E, 1 piece in package
89,-
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In stock > 20 pcs
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Order Code: TSL19012
EMOS Filament A60, E27, 11 W (100 W), 1521 lm, warm white, dimmable - LED Bulb
4 variants
3.7 6×
EMOS Filament A60, E27, 11 W (100 W), 1521 lm, warm white, dimmable
LED Bulb - lamp cap E27, power input 11 W, 230 V, filament, luminous flux 1521 lm, warm light (2700 K), diameter of 6 cm, lifespan 25000 h, energy label D, 1 piece in package
129,-
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In stock > 10 pcs
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Order Code: EMOS25200
EMOS Classic Mini Globe, E14, 4,2 W (40 W), 470 lm, neutral white - pack of 3 - LED Bulb
9 variants
4.8 96×
EMOS Classic Mini Globe, E14, 4,2 W (40 W), 470 lm, neutral white - pack of 3
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, 3 in package - from 39 Kč/ks
from  116,-
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In stock > 10 pcs
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Order Code: EMOS25087
RETLUX RLL 630 C37 E14 candle 8W CW D - LED Bulb
5 variants
4.5 50×
RETLUX RLL 630 C37 E14 candle 8W CW D
LED Bulb - lamp cap E14, power input 8 W, 230 V, luminous flux 1080 lm, neutral light (4000 K), lifespan 25000 h, energy label D, 1 piece in package
89,-
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In stock > 20 pcs
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Info
Order Code: RTLX24051
Niceboy SmartBulb RGB E27, 12 W - LED Bulb
4.4 22×
Niceboy SmartBulb RGB E27, 12 W
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 12 W, 230 V, luminous flux 1050 lm, adjustable light temperature (2700-6500 K), diameter of 6 cm, WiFi 2,4 GHz, compatible with Niceboy ION, control via app in both Czech and English, lifespan 25000 h, energy label F, 1 piece in package
349,-
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In stock > 5 pcs
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Info
Order Code: NCB24_002
EMOS DECO SMOKED A60, E27, 4,5 W (19 W), 180 lm, flame - LED Bulb
4.5 4×
EMOS DECO SMOKED A60, E27, 4,5 W (19 W), 180 lm, flame
LED Bulb - lamp cap E27, power input 4,5 W, 230 V, filament, luminous flux 180 lm, warm light (1800 K), diameter of 6 cm, lifespan 25000 h, energy label G, 1 piece in package
149,-
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In stock > 10 pcs
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Info
Order Code: EMOS25185
Niceboy SmartBulb RGB E14, 6 W, set of 3 - LED Bulb
3.9 17×
Niceboy SmartBulb RGB E14, 6 W, set of 3
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 6 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 both Czech and English, lifespan 25000 h, energy label F, 3 in package
529,-
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In stock > 5 pcs
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Info
Order Code: NCB24_001
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 - 46 Kč/ks
139,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EMOS24103
Tesla LED bulb E27, 20W, 230V, 2500lm, 6500K cold white - LED Bulb
2 variants
4.4 19×
Tesla LED bulb E27, 20W, 230V, 2500lm, 6500K cold white
LED Bulb - lamp cap E27, power input 20 W, 230 V, luminous flux 2500 lm, cool light (6500 K), diameter of 7,7 cm, lifespan 25000 h, energy label E, 1 piece in package
219,-
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In stock > 10 pcs
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Info
Order Code: TslLight23_020
RETLUX REL 39 LED R50 4x6W E14 WW - LED Bulb
2 variants
4.7 63×
RETLUX REL 39 LED R50 4x6W E14 WW
LED Bulb - lamp cap E14, power input 6 W, 230 V, luminous flux 510 lm, warm light (3000 K), diameter of 5 cm, lifespan 25000 h, energy label F, 4 in package
169,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX17138
Philips Hue White and colour Ambiance Light Guide E27 Ellipse - LED Bulb
5.0 8×
Philips Hue White and colour Ambiance Light Guide E27 Ellipse
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 6,5 W, 230 V, luminous flux 500 lm, adjustable light temperature (2000-6500 K), diameter of 18,5 cm, Bluetooth, compatible with Apple Home, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label G, 1 piece in package
2,559,-
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In stock 2 pcs
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Info
Order Code: PHL22034
Philips LED Classic 3.5-35W spot, GU10, 4000K - LED Bulb
3 variants
4.8 239×
Philips LED Classic 3.5-35W spot, GU10, 4000K
LED Bulb - lamp cap GU10, power input 3,5 W, 230 V, luminous flux 275 lm, neutral light (4000 K), diameter of 5 cm, lifespan 15000 h, energy label F, 1 piece in package
119,-
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In stock > 20 pcs
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Info
Order Code: ESO125b0f
EMOS Filament A60, E27, 5,9 W (60 W), 806 lm, warm white - pack of 3 - LED Bulb
10+ variants
4.8 418×
EMOS Filament A60, E27, 5,9 W (60 W), 806 lm, warm white - pack of 3
LED Bulb , power input 5,9 W, 230 V, filament, luminous flux 806 lm, warm light (2700 K), diameter of 6 cm, lifespan 25000 h, energy label D, 3 in package - 66 Kč/ks
199,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EMOS25089
EMOS Classic A60, E27, 9,5 W (75 W), 1055 lm, neutral white, 3 pcs - LED Bulb
10+ variants
4.8 172×
EMOS Classic A60, E27, 9,5 W (75 W), 1055 lm, neutral white, 3 pcs
LED Bulb - lamp cap E27, power input 9,5 W, 230 V, luminous flux 1055 lm, neutral light (4000 K), diameter of 6 cm, lifespan 30000 h, energy label E, 3 in package - 56 Kč/ks
169,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EMOS24119
Philips Smart LED WFB 150W A80 E27 RGB - LED Bulb
5.0 2×
Philips Smart LED WFB 150W A80 E27 RGB
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 18,5 W, 230 V, luminous flux 2452 lm, adjustable light temperature (2200-6500 K), diameter of 8,3 cm, WiFi 2,4 GHz, compatible with Apple Siri shortcuts, Google Home, control via app in Czech, lifespan 15000 h, energy label E, 1 piece in package
New arrival 749,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS26002
RETLUX RLL 629 C37 E14 candle 8W WW D - LED Bulb
5 variants
4.5 50×
RETLUX RLL 629 C37 E14 candle 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
79,-
Buy
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX24050
RETLUX RSH 104 A70, E27, 14 WATT, RGB, CCT - LED Bulb
3.8 30×
RETLUX RSH 104 A70, E27, 14 WATT, RGB, CCT
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 14 W, 230 V, luminous flux 1521 lm, adjustable light temperature (6500-2700 K), diameter of 7 cm, WiFi 2,4 GHz and Bluetooth, compatible with Apple Siri shortcuts, Google Home, Tuya, Lidl Home, Smartlife, Manufacturer app, control via app in both Czech and English, lifespan 15000 h, energy label F, 1 piece in package
349,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX24_005
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Light Bulbs & Fluorescent Lights

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.cz, we currently have a total of 1049 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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