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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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836 Results
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
209,-
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In stock > 5 pcs
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Order Code: PHLS25025
RETLUX RLL 601 A60 E27 bulb 7W CW D - LED Bulb
5 variants
4.0 8×
RETLUX RLL 601 A60 E27 bulb 7W CW D
LED Bulb - lamp cap E27, power input 7 W, 230 V, luminous flux 950 lm, neutral light (4000 K), lifespan 25000 h, energy label D, 1 piece in package
69,-
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In stock 5 pcs
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Order Code: RTLX24031
Tesla - LED bulb FILAMENT RETRO candle E14, 4.2W, 230V, 470lm, 25 000h, 2700K warm, 360deg, milky - LED Bulb
5.0 5×
Tesla - LED bulb FILAMENT RETRO candle E14, 4.2W, 230V, 470lm, 25 000h, 2700K warm, 360deg, milky
LED Bulb - lamp cap E14, power input 4,2 W, 230 V, luminous flux 470 lm, warm light (2700 K), diameter of 3,5 cm, lifespan 25000 h, energy label E, 1 piece in package
79,-
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In stock > 20 pcs
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Order Code: TslLight240010
Tesla - LED bulb FILAMENT RETRO BULB E27, 7,2W, 230V, 806lm, 25 000h, 2700K warm white, 360deg - LED Bulb
3 variants
4.4 12×
Tesla - LED bulb FILAMENT RETRO BULB E27, 7,2W, 230V, 806lm, 25 000h, 2700K warm white, 360deg
LED Bulb - lamp cap E27, power input 7,2 W, 230 V, luminous flux 806 lm, warm light (2700 K), diameter of 6 cm, lifespan 25000 h, energy label E, 1 piece in package
89,-
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In stock 3 pcs
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Order Code: TslLigh22_71
Wi-Fi BLE G95 E27 922-65 RGB CL 1PF/6 - LED Bulb
5.0 1×
Wi-Fi BLE G95 E27 922-65 RGB CL 1PF/6
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 6,3 W, 230 V, luminous flux 470 lm, adjustable light temperature (2200-6500 K), diameter of 9,5 cm, WiFi 2,4 GHz and WiFi 5 GHz, control via app in both Czech and English, lifespan 15000 h, energy label G, 1 piece in package
769,-
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In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: WiZ23019
Nedis LED bulb, E14, G45, 2 W, 250 lm, 2700 K, retro - LED Bulb
5.0 3×
Nedis LED bulb, E14, G45, 2 W, 250 lm, 2700 K, retro
LED Bulb - lamp cap E14, power input 2 W, 230 V, luminous flux 250 lm, lifespan 15000 h, energy label E, 1 piece in package
79,-
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In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Nedis24045
Tesla Miniglobe FILAMENT RETRO E14, 4W, 230V, 470lm, 25 000h, 4000K daylight white, 360°, clear - LED Bulb
2 variants
4.9 19×
Tesla Miniglobe FILAMENT RETRO E14, 4W, 230V, 470lm, 25 000h, 4000K daylight white, 360°, clear
LED Bulb , power input 4,2 W, 230 V, filament, luminous flux 470 lm, neutral light (4000 K), diameter of 4,6 cm, lifespan 25000 h, energy label E, 1 piece in package
59,-
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In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: TslLight25010
Philips LED 60W A60 E27 2700K CL UE SRT4 - LED Bulb
4.4 3×
Philips LED 60W A60 E27 2700K CL UE SRT4
LED Bulb - lamp cap E27, power input 4 W, 230 V, luminous flux 840 lm, warm light (2700 K), lifespan 50000 h, energy label A, 1 piece in package
279,-
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In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS25028
Wi-Fi BLE ST64 E27 922-65 RGB CL 1PF/6 - LED Bulb
5.0 1×
Wi-Fi BLE ST64 E27 922-65 RGB CL 1PF/6
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 6,3 W, 230 V, luminous flux 470 lm, adjustable light temperature (2200-6500 K), diameter of 6,4 cm, WiFi 2,4 GHz and WiFi 5 GHz, control via app in both Czech and English, lifespan 15000 h, energy label G, 1 piece in package
769,-
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In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: WiZ23018
McLED T8 LED tube 9 W, 4000 K, CRI80, 1125 lm 125 lm/W, 600 mm - LED Lamp
5.0 1×
McLED T8 LED tube 9 W, 4000 K, CRI80, 1125 lm 125 lm/W, 600 mm
LED Lamp - G13 socket, energy label E, power consumption 9 W, 230 V, luminous flux 1125 lm, neutral light (4000 K), colour Rendering Index (CRI) 80 Ra, diameter 2,9 cm, service life 40000 h
154,-
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In stock > 10 pcs at the supplier's
Order Code: MCLled004
Tesla LED bulb G9, 2W, 230V, 200lm, 3000K warm white, 2pcs in pack - LED Bulb
5.0 1×
Tesla LED bulb G9, 2W, 230V, 200lm, 3000K warm white, 2pcs in pack
LED Bulb - lamp cap G9, power input 2 W, 230 V, luminous flux 200 lm, warm light, diameter of 1,6 cm, lifespan 20000 h, energy label F, 2 in package
199,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: TslLight25019
Tesla - LED bulb GX53, 6W, 230V, 480lm, 25 000h, 4000K daylight white, 220deg - LED Bulb
3 variants
4.6 55×
Tesla - LED bulb GX53, 6W, 230V, 480lm, 25 000h, 4000K daylight white, 220deg
LED Bulb - lamp cap GX53, power input 6 W, 230 V, luminous flux 480 lm, neutral light, diameter of 7,4 cm, lifespan 25000 h, energy label F, 1 piece in package
139,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: TslLight25016
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
269,-
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In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS25027
OSRAM SPC. T25/57, E14, 10W, 300 °C, clear - pack of 2 - Oven Bulb
4.0 4×
OSRAM SPC. T25/57, E14, 10W, 300 °C, clear - pack of 2
Oven Bulb - energy label G, power input 10 W, 230 V, Filament, luminous flux 30 lm, warm light (2700 K), diameter 2,5 cm, lifetime 1000 h, 2 pieces in the package
59,-
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In stock > 10 pcs
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Order Code: osra25111
Rabalux LED bulb E27 A60 11W 1050lm - LED Bulb
4.0 1×
Rabalux LED bulb E27 A60 11W 1050lm
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 11 W, 230 V, luminous flux 1050 lm, adjustable light temperature (2700-6500 K), diameter of 6 cm, WiFi 5 GHz, compatible with Tuya, control via app in Czech, lifespan 25000 h, energy label F, 1 piece in package
329,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: RBLUX055
Philips Smart LED WFB 60W G125 E27 - LED Bulb
3.0 1×
Philips Smart LED WFB 60W G125 E27
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 7 W, 230 V, filament, luminous flux 806 lm, adjustable light temperature (2700-6500 K), diameter of 9,5 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
429,-
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In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS26009
Xtend Home XTH-LED-E1448T - LED Bulb
4.7 3×
Xtend Home XTH-LED-E1448T
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 4,8 W, 240 V, luminous flux 450 lm, WiFi 2,4 GHz, compatible with Tuya, control via app in Czech, lifespan 25000 h, energy label F, 1 piece in package
289,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Xtend25019
Tesla - LED bulb BULB E27, 8W, 230V, 806lm, 25 000h, 6500K cold white, 220deg - LED Bulb
10+ variants
4.8 213×
Tesla - LED bulb BULB E27, 8W, 230V, 806lm, 25 000h, 6500K cold white, 220deg
LED Bulb - lamp cap E27, power input 8 W, 230 V, luminous flux 806 lm, cool light, diameter of 6 cm, lifespan 25000 h, energy label F, 1 piece in package
79,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TslLight25011
Tesla - LED bulb candle E27, 4,9W, 230V, 470lm, 25 000h, 3000K warm white, 180st - LED Bulb
5.0 1×
Tesla - LED bulb candle E27, 4,9W, 230V, 470lm, 25 000h, 3000K warm white, 180st
LED Bulb - lamp cap E27, power input 4,9 W, 230 V, luminous flux 470 lm, warm light, diameter of 9,5 cm, lifespan 25000 h, energy label G, 1 piece in package
79,-
Buy
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TslLight25018
RETLUX RLL 600 A60 E27 bulb 7W WW D - LED Bulb
5 variants
4.0 8×
RETLUX RLL 600 A60 E27 bulb 7W WW D
LED Bulb - lamp cap E27, power input 7 W, 230 V, luminous flux 950 lm, warm light (3000 K), lifespan 25000 h, energy label D, 1 piece in package
69,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX24036
RETLUX RFL 602 Filament A60 E27 bulb 8W WW D - LED Bulb
4.8 4×
RETLUX RFL 602 Filament A60 E27 bulb 8W WW D
LED Bulb - lamp cap E27, power input 8 W, 230 V, luminous flux 1080 lm, warm light (2700 K), lifespan 25000 h, energy label D, 1 piece in package
109,-
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX24021
OSRAM SPC. T26/57, E14, 25W, 300 °C, matt - Oven Bulb
3.0 4×
OSRAM SPC. T26/57, E14, 25W, 300 °C, matt
Oven Bulb - energy label G, power input 25 W, 230 V, Filament, luminous flux 140 lm, warm light (2700 K), diameter 2,6 cm, lifetime 1000 h
61,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: osra25116
Philips Smart LED WFB 50W GU10 GLASS RGB, 2 pcs - LED Bulb
5.0 1×
Philips Smart LED WFB 50W GU10 GLASS RGB, 2 pcs
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 4,7 W, 230 V, luminous flux 400 lm, adjustable light temperature (2200-6500 K), diameter of 5 cm, WiFi 2,4 GHz, compatible with Apple Siri shortcuts, Google Home, control via app in Czech, lifespan 15000 h, energy label F, 2 in package - 314 Kč/ks
629,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS26010
Rabalux Mini Globe G45, 8W, 1000lm, 3000K, E27 - LED Bulb
3.0 1×
Rabalux Mini Globe G45, 8W, 1000lm, 3000K, E27
LED Bulb - lamp cap E27, power input 8 W, 230 V, luminous flux 1000 lm, warm light (3000 K), diameter of 4,5 cm, lifespan 2000 h, energy label E, 1 piece in package
69,-
Buy
In stock > 20 pcs at the supplier's
Order Code: RABzar001

Light Bulbs & Fluorescent Lights

AlzaPlus+ Deals 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 928 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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