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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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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 and Bluetooth, 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 F, 3 in package - from 189 Kč/ks
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Philips Hue LED Set of 3 Bluetooth bulbs E27 - LED Bulb
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IMMAX NEO LITE 3x Smart bulb LED E14 6W RGB+CCT, dimmable, WiFi, Beacon, DO - LED Bulb
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Lunesto 3in1 Day & Night LED bulb E27 - Bulb
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EMOS DECO SMOKED G95, E27, 4,5 W (19 W), 180 lm, flame - LED Bulb
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IMMAX NEO LED Smart Filament E14 C37 4W CCT 470 lm dimmable, WiFi, Beacon - LED Bulb
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OSRAM gold LED dimmable bulb E27 4 W VINTAGE, warm white - LED Bulb
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OSRAM LED bulb E27 4W VINTAGE, warm white - LED Bulb
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OSRAM gold dimmable LED bulb E14 3,4 W VINTAGE, warm white - LED Bulb
OSRAM gold dimmable LED bulb E14 3,4 W VINTAGE, warm white
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OSRAM flat LED bulb 3.5W E27 STAR, warm white - LED Bulb
OSRAM flat LED bulb 3.5W E27 STAR, warm white
LED Bulb - lamp cap E27, power input 3,5 W, luminous flux 300 lm, warm light (2700 K), lifespan 25000 h, energy label F
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OSRAM large round LED bulb E27 11 W STAR, warm white - LED Bulb
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Nedis LED bulb, E27, A60, 4,9 W, 470 lm, 2700 K, 3 pieces - LED Bulb
Nedis LED bulb, E27, A60, 4,9 W, 470 lm, 2700 K, 3 pieces
LED Bulb - lamp cap E27, power input 4,9 W, 230 V, luminous flux 470 lm, lifespan 15000 h, energy label F, 3 in package
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Rabalux T18, E14, 2W, 140lm, 2700K - LED Bulb
Rabalux T18, E14, 2W, 140lm, 2700K
LED Bulb - lamp cap E14, power input 2 W, 230 V, luminous flux 140 lm, warm light (2700 K), diameter of 1,8 cm, lifespan 2000 h, energy label G, 1 piece in package
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OSRAM dimmable LED bulb E27 11 W VINTAGE EDISON, warm white - LED Bulb
OSRAM dimmable LED bulb E27 11 W VINTAGE EDISON, warm white
LED Bulb , power input 11 W, luminous flux 806 lm, warm light (1800 K), lifespan 15000 h, energy label G, 1 piece in package
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OSRAM spherical LED gold bulb E27 VINTAGE 8.4 W, warm white - LED Bulb
OSRAM spherical LED gold bulb E27 VINTAGE 8.4 W, warm white
LED Bulb - lamp cap E27, power input 8,4 W, luminous flux 806 lm, warm light (2400 K), diameter of 9,5 cm, lifespan 15000 h, energy label F, 1 piece in package
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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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