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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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876 Results
EMOS Filament A60 A CLASS / E27 / 5 W (75 W) / 1 060 lm / warm white, 3 pcs - LED Bulb
10+ variants
4.8 433×
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EMOS Filament A60 A CLASS / E27 / 5 W (75 W) / 1 060 lm / warm white, 3 pcs
LED Bulb - lamp cap E27, power input 5 W, 230 V, luminous flux 1060 lm, warm light (2700 K), diameter of 6 cm, lifespan 50000 h, energy label A, 3 in package
from  13.41 €
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Order Code: HM521b15
Philips Hue White and colour Ambiance 9W 800 E27 4pcs - LED Bulb
2 variants
4.8 158×
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Philips Hue White and colour Ambiance 9W 800 E27 4pcs
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 9 W, 230 V, luminous flux 800 lm, adjustable light temperature (2000-6500 K), diameter of 6 cm, Bluetooth, compatible with Apple Home, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label F, 4 in package
205.90 €
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Order Code: PHL21025
Philips Hue White and colour ambiance 9W E27 promo starter kit - LED Bulb
4.7 41×
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Philips Hue White and colour ambiance 9W E27 promo starter kit
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 9 W, 230 V, luminous flux 806 lm (2000 K), diameter of 6 cm, Bluetooth, compatible with Apple Home, Google Home, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label F, 3 in package
200.90 €
From 4.76 € per month
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Order Code: PHL19090
EMOS Classic A95 / E27 / 28 W (200 W) / 3452 lm / neutral white - LED Bulb
2 variants
4.7 61×
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EMOS Classic A95 / E27 / 28 W (200 W) / 3452 lm / neutral white
LED Bulb - lamp cap E27, power input 28 W, 230 V, luminous flux 3452 lm, neutral light (4000 K), diameter of 9,5 cm, lifespan 30000 h, energy label E, 1 piece in package
9.90 €
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Order Code: EMOS24152
EMOS Classic A80, E27, 20 W (150 W), 2452 lm, neutral white - LED Bulb
3 variants
4.7 57×
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EMOS Classic A80, E27, 20 W (150 W), 2452 lm, neutral white
LED Bulb - lamp cap E27, power input 20 W, 230 V, luminous flux 2452 lm, neutral light (4000 K), diameter of 8 cm, lifespan 30000 h, energy label E, 1 piece in package
Great price 5.79 €
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Order Code: EMOS24104
Tesla LED bulb GU5,3 MR16, 6W, 12V, 540lm, 4000K daylight white - LED Bulb
2 variants
4.7 88×
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Tesla LED bulb GU5,3 MR16, 6W, 12V, 540lm, 4000K daylight white
LED Bulb - lamp cap GU5,3, power input 6 W, 12 V, luminous flux 540 lm, neutral light (4000 K), diameter of 5 cm, lifespan 25000 h, energy label G, 1 piece in package
4.19 €
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Order Code: TslLight23_022
RETLUX RLL 610 A70 E27 bulb 15W WW D - LED Bulb
4.9 7×
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RETLUX RLL 610 A70 E27 bulb 15W WW D
LED Bulb - lamp cap E27, power input 15 W, 230 V, luminous flux 2050 lm, warm light (3000 K), diameter of 7 cm, lifespan 25000 h, energy label D, 1 piece in package
Add AlzaPlus+ and save instantly 4.58 €
5.39 €
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Order Code: RTLX24030
EMOS Filament A60 A CLASS / E27 / 5 W (75 W) / 1 060 lm / neutral white, 3 pcs - LED Bulb
10+ variants
4.8 433×
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EMOS Filament A60 A CLASS / E27 / 5 W (75 W) / 1 060 lm / neutral white, 3 pcs
LED Bulb - lamp cap E27, power input 5 W, 230 V, luminous flux 1060 lm, neutral light (4000 K), diameter of 6 cm, lifespan 50000 h, energy label A, 3 in package
from  13.41 €
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Order Code: HM521b19
IMMAX NEO Smart LED bulb GU10 4,8W RGB+CCT colour and white, dimmable, Zigbee - LED Bulb
3.8 13×
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IMMAX NEO Smart LED bulb GU10 4,8W RGB+CCT colour and white, dimmable, Zigbee
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 4,8 W, 230 V, luminous flux 400 lm, adjustable light temperature (2700-6500 K), diameter of 5 cm, WiFi 2,4 GHz, compatible with Apple Siri shortcuts, Google Home, Tuya, Lidl Home, Smartlife, Nedis SmartLife, Immax NEO PRO, control via app in both Czech and English, lifespan 25000 h, energy label G, 1 piece in package
9.90 €
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Order Code: IMXX2349
EMOS LED bulb Classic JC 1,9W G9 warm white - LED Bulb
4 variants
4.7 247×
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EMOS LED bulb Classic JC 1,9W G9 warm white
LED Bulb - lamp cap G9, power input 1,9 W, 230 V, luminous flux 210 lm, warm light (3000 K), diameter of 1,5 cm, lifespan 30000 h, energy label E, 1 piece in package
from  2.87 €
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Order Code: EMS17117
RETLUX REL 33 LED A60 4x12W E27 WW - LED Bulb
4.5 37×
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RETLUX REL 33 LED A60 4x12W E27 WW
LED Bulb - lamp cap E27, power input 12 W, 230 V, luminous flux 1200 lm, warm light (3000 K), diameter of 6 cm, lifespan 25000 h, energy label F, 4 in package
6.99 €
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Order Code: RTLX22_039
Philips LED Classic drop 2.2-25W, E27, Matt, 2700K - LED Bulb
4.7 55×
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Philips LED Classic drop 2.2-25W, E27, Matt, 2700K
LED Bulb , power input 2,2 W, 230 V, filament, luminous flux 250 lm, warm light (2700 K), diameter of 4,5 cm, lifespan 15000 h, energy label E, 1 piece in package
6.29 €
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Order Code: ESO1A033
EMOS LED bulb A60 A CLASS E27 7,2 W 1521 lm warm white - LED Bulb
10+ variants
4.8 433×
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EMOS LED bulb A60 A CLASS E27 7,2 W 1521 lm warm white
LED Bulb - lamp cap E27, power input 7,2 W, 230 V, luminous flux 1521 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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Order Code: EMOS24_025
RETLUX RLL 446 T120 E27 bulb 40W WW - LED Bulb
4.8 27×
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RETLUX RLL 446 T120 E27 bulb 40W WW
LED Bulb - lamp cap E27, power input 40 W, 230 V, luminous flux 4300 lm, warm light, diameter of 12 cm, lifespan 25000 h, energy label F, 1 piece in package
Add AlzaPlus+ and save instantly 10.97 €
12.90 €
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Order Code: RTLX17124
Yeelight Smart LED Bulb W4 Lite(Multicolour) - 4 pack - LED Bulb
2 sizes
3.9 52×
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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
48.90 €
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Order Code: YeeLa57
IMMAX NEO Smart LED bulb E27 11W RGB+CCT colour and white, dimmable, Zigbee 3.0 - LED Bulb
3.7 56×
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IMMAX NEO Smart LED bulb E27 11W RGB+CCT colour and white, dimmable, Zigbee 3.0
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 11 W, 230 V, luminous flux 1055 lm, adjustable light temperature (2700-6500 K), diameter of 6 cm, WiFi 2,4 GHz, compatible with Apple Siri shortcuts, Tuya, Lidl Home, Philips Hue, Immax NEO PRO, control via app in both Czech and English, lifespan 25000 h, energy label F, 1 piece in package
11.27 €
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Order Code: IMXX21379
TESLA LED Bulb Mini-globe BULB E14, 8W, Day White - LED Bulb
4 variants
4.8 112×
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TESLA LED Bulb Mini-globe BULB E14, 8W, Day White
LED Bulb - lamp cap E14, power input 8 W, 230 V, luminous flux 1000 lm, neutral light (4000 K), diameter of 4,5 cm, lifespan 25000 h, energy label E, 1 piece in package
3.69 €
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Order Code: TSL19012
Philips LED Classic 7-60W, E27, 2700K, matt - LED Bulb
4.5 63×
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Philips LED Classic 7-60W, E27, 2700K, matt
LED Bulb , power input 7 W, 230 V, luminous flux 806 lm, warm light (2700 K), diameter of 6 cm, lifespan 15000 h, energy label E, 1 piece in package
from  5.43 €
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Order Code: ESO105g2
EMOS Filament candle A CLASS, E14, 3,8 W (60 W), 806 lm, neutral white - LED Bulb
6 variants
4.8 86×
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EMOS Filament candle A CLASS, E14, 3,8 W (60 W), 806 lm, neutral white
LED Bulb - lamp cap E14, power input 3,8 W, 230 V, luminous flux 806 lm, neutral light (4000 K), diameter of 3,5 cm, lifespan 50000 h, energy label A, 1 piece in package
from  4.31 €
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Order Code: EMOS24225
TESLA LED Bulb Mini-globe BULB E14, 8W, Warm White - LED Bulb
4 variants
4.8 112×
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TESLA LED Bulb Mini-globe BULB E14, 8W, Warm White
LED Bulb - lamp cap E14, power input 8 W, 230 V, luminous flux 900 lm, warm light (3000 K), diameter of 6 cm, lifespan 25000 h, energy label E, 1 piece in package
3.69 €
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In stock 3 pcs
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Order Code: TSL19011
EMOS Classic Mini Globe, E27, 4,2 W (40 W), 470 lm, warm white, 3 pcs - LED Bulb
6 variants
4.9 158×
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EMOS Classic Mini Globe, E27, 4,2 W (40 W), 470 lm, warm white, 3 pcs
LED Bulb - lamp cap E27, power input 4,2 W, 230 V, luminous flux 470 lm, warm light (2700 K), diameter of 4,5 cm, lifespan 30000 h, energy label E, 3 in package
Great price 3.99 € Save 0.33 €
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Order Code: EMOS24084
Tesla LED Bulb GU5, 4W - LED Bulb
2 variants
4.7 88×
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Tesla LED Bulb GU5, 4W
LED Bulb - lamp cap GU5,3, power input 4 W, 12 V, luminous flux 400 lm, neutral light (4000 K), diameter of 5 cm, lifespan 25000 h, energy label F, 1 piece in package
4.55 €
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Order Code: TSL19096
Philips LED 10-75W, E27 4000K, 2pcs - LED Bulb
2 variants
4.8 157×
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Philips LED 10-75W, E27 4000K, 2pcs
LED Bulb , power input 10 W, 230 V, luminous flux 1055 lm, neutral light (4000 K), diameter of 6 cm, lifespan 15000 h, energy label F, 2 in package
10.90 €
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In stock 3 pcs
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Order Code: PHL19085
Solight LED Spotlight, GU10, 5W, 4000K - LED Bulb
4.9 42×
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Solight LED Spotlight, GU10, 5W, 4000K
LED Bulb - lamp cap GU10, power input 5 W, 230 V, luminous flux 425 lm, neutral light (4000 K), diameter of 5 cm, energy label F, 1 piece in package
2.49 €
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Order Code: SD078d1
AlzaPlus+ deals Light Bulbs & Fluorescent Lights Sorted by Socket by Socket LED Bulbs LED bulbs Fluorescent Tube Lamps Fluorescent Tubes Efficient Lamps Efficient Smart Light Bulbs Light Sources Vintage & Retro Light Bulbs Retro Spotlight Bulbs Spotlight Light Bulb Value Packs Value Packs Car Lightbulbs Car Bulbs Oven Light Bulbs Oven AlzaPower Light Bulbs & Fluorescent Lights AlzaPower Jak vybrat žárovku
 

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