Best Gu4 Halogen 20w 2026

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Last Updated - 22.07.2026

Best Choice

01

CLAR

CLAR - Halogen GU4 12 V 20 W Bulb, Warm White 35 mm Plug-In Bulb, MR11 Compatible, Spot Halogen Light (Pack of 20)

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9.9

Exceptional

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【Customer Servi Guaranteed】If you have any questions or problems with the order, contact us and we will fix it as soon as possible.
Wide application: suitable for general interior lighting in the living room, bedroom, kitchen, hallway
High light efficiency CRI+95: The high colour ratio makes colours appear as they really are.
Halogen bulbs 20 W: the MR11 GU4 halogen bulbs are ideal for use in recessed or rail lighting.
Dimmable: warm white 2700K, 100% dimmable, instant lighting without delay, creates a warm and cosy lighting environment.

24,99 €
02

Caldarax

Caldarax Pack of 6 GU4 MR11 3W LED Spotlights, Replaces 20W 30W Halogen Bulbs Reflector, Warm White 3000K, 300LM, AC/DC 12V-24V, Not Dimmable, 120° Beam Angle, with Protective Glass, 35 mm x 35 mm

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9.7

Exceptional

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Service: If there is a quality problem within 1 year, the product will be refunded and replaced. If you have a quality problem, please feel free to contact us to solve it.
Please note: If the 3 watt LED lamp flickers due to compatibility problems, please use a halogen lamp in combination with the LED lamp or replace the LED transformer.
GU4 12V-24V LED spotlight: pack of 6 MR11 GU4 LED 3W bulbs, with protective glass cover. GU4 bi-pin socket, MR11 standard shape, 300 lumens, ø35 x 35 mm, input voltage 12V-24V. The product is MR11 GU4, please check the voltage and size match before purchase, as the MR11 GU4 lamp (35mm) is not as large as the MR16 GU5.3 lamp (50mm).
Focus lighting: This LED 3W GU4 headlight bulb has a beam angle of 120°, which gives you a great headlight effect. The warm white light temperature of 3000 K makes you feel more relaxed and creates a warm atmosphere.
Energy efficient 90%: GU4 3W LED replaces a 20W/30W halogen bulb, lights up with the same brightness and saves over 90% on electricity costs. The service life is up to 25,000 hours, which reduces the effort and cost of frequent lamp changes.
Application: spotlight for accent or indirect lighting. Used for cabinet, living room, bedroom, kitchen, hallway, shop, school, landscape, exhibition, home, hotel, museum, restaurant, cafe, retail store.

16,99 €
03

WITSUN

WITSUN MR11 Halogen Bulbs, Pack of 10, MR11/GU4 Halogen Reflector, 12V, 20W, 300LM, 2800K Warm White, GU4 Base, Bulb Size 35mm*35mm

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9.6

Exceptional

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Standard Size:10pcs MR11 Aluminium with glass cover. Diameter: 1.38 inches (3.5 cm), Length: 1.38 inches (3.5 cm), Shape: MR 11 reflector, Base: GU4 Bipin (4 mm or 0.16 inches between the 2 pins)
Note: Please make sure the lamp base fits that of your light. Another common reflector lamp with 2 pins is MR16 GU5.3, which looks very similar to MR11 but is much larger. Please check the size of your bulb and pin spacing before ordering.
High power: 20 watts, 300 lumens. Low voltage 12 V DC, 2800K warm white light, dimmable, narrow beam angle of 38°, up to 2000 operating hours.
Eye Protection: 100% dimmable without blinking or buzzing, low heat, high brightness, no flicker, homogeneous light without unnatural radiation pattern that protects the eyes.
Environmentally friendly: no lead, mercury or other environmental harmful elements. Non-flashing bulbs are good for the environment and the home. Long service life, reducing pollution caused by frequent lamp changes.

10,99 €
Value for Money

04

SCNNC

SCNNC MR11 G4 Bulbs 12 V 20 W Dimmable, 35 mm Halogen Spot G4 Reflector Spotlight MR11 Warm White 2700 K, Heat Resistant, Pack of 6

10% Off

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9.5

Excellent

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【Please feel free to contact us】If you have any questions or suggestions after receiving the product, please feel free to contact us. We will replace or refund you after confirming the situation.
Φ35 x 35 mm: 4 mm between 2 pins, lamp size 35 x 35 mm, please make sure that the lamp fits your lamp before purchasing.
Easy to install: 2000 hours service life, standard G4 base, easy to install without tools, do not touch immediately after turning off the bulb to avoid burns.
Dimmable: warm white 2700 K, 100% dimmable, immediately on without delay, create a warm and pleasant lighting environment.
Application: MR11 G4 halogen lamps very suitable for living room, bedroom, kitchen, hallway, hotel, restaurant, cafe, etc.
12 V: the voltage is 12 V, please turn off the power supply before installation, make sure that the input voltage is 12 V and not 220 V, otherwise the bulb will be damaged.

8,99 € 9,99 €(10% Off off)
05

NCC-Licht

10 x Halogen Reflector Light Bulbs GU4 12V MR11 Warm White Dimmable Flood 30°

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Halogen bulbs still have great advantages over other bulbs. - Immediately after switching on, the maximum brightness is reached. - The small MR11 reflectors are optimally dimmable. From 100% to 0% continuously and without jerking or flickering.
10 x Halogen Reflector Bulbs 10W GU4 12V MR11 Warm White Dimmable Flood 30°.
- With glass panel and UV protection to preserve the colours of illuminated objects. - These Eco bulbs are particularly efficient for halogen bulbs and achieve an energy efficiency class of B - They are very popular for use in recessed spotlights and furniture recessed lights and of course anywhere where a GU4 socket is installed.
- These halogen spotlights have the best possible colour rendering value of Ra 100. This means that the colours are completely real and unaltered. - The reflectors are made of glass and coated. Therefore the light is emitted forward. - The beam angle of 30° is ideal for lighting surfaces.
- Thanks to the special high-quality coating, the resulting temperature is also released to the front. This protects the light. - With 4000 hours, these bulbs have a longer life than a classic incandescent bulb.

9,98 €
06

WeshLMPO

WeshLMPO Halogen G4 20 W 12 V 12 Pieces G4 Halogen Light Bulb 2700 K Warm White Dimmable for Oven 300 Degrees

19% Off Limited Time Deal

19% Off

Limited Time Deal

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Many lighting applications: halogen pin base lamp G4 12 V 20 W is often used for landscape light, yard, garden, lawn light, under cabinet lighting, under counter light, post light, recessed light, etc.
Halogen bulbs 12 V 20 W, the service life is up to 2,000 hours. This means that 3 hours of daily use can last 1.8 years. The seller offers 90-day customer service
Excellent and dimmable: high-quality eco-halogen for 20 W G4 halogen bulbs, 12 V. 2700K Warm White, 280 Lumens, CRI 100, Omni-directional 360° Beam Angle No Mercury. Instant on. Fully continuous dimming from 0%-100%
Energy-saving and safe light output: The average annual household energy costs of a G4 12 V 20 W light bulb are €2.40 per year. CE and ROHS certified
Easy installation: easy and quick to install for halogen lamp G4 20 W 12 V 2-pin. Do not touch the bulb directly with your hands. Pack of 12

6,45 € 7,99 €(19% Off off)
07

Wieyily

Wieyily G4 Halogen Light Bulb 20W 12V Dimmable 2700K Warm White 300LM Halogen Bulbs G4 to 300C for Ovens, Microwaves, Cooker Hoods, Chandeliers, Pack of 4

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8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Wide Applications Ideal for various 12V lights throughout the household. This G4 halogen bulb is perfect for ovens, microwaves, under-unit lights in the kitchen, showcases, wall lights, cooker hoods and decorative fairy lights. The compact design of the G4 capsule fits easily into tight spaces
Perfect ambience control: our G4 halogen bulbs 20 W 12 V are dimmable. Easily adjust the brightness from soft light to full warmth, creating the ideal mood for relaxed evenings or cosy hours
Only 12 V low volt: these G4 halogen lamps work exclusively with 12 V low voltage systems. They are not compatible with direct 220V-240V mains voltage. For safe and proper operation, a suitable 12V transformer or driver is required. Please check the voltage of your existing light before purchase
HEAT RESISTANT UP TO 300℃ Designed for safety and durability, these G4 oven lamps can withstand temperatures up to 300°C. This ensures stable and long-lasting performance in your oven or microwave lighting and gives you a soothing feeling with every use
EASY INSTALLATION Equipped with a standard G4 base (2 pins) for a secure plug-in connection. These bulbs are a direct replacement for your existing 12V 20W G4 capsules - just plug in, no tools or modification required

4,69 €
08

Simusi

Simusi MR16 Halogen Bulbs 12 V 20 W, GU5.3 Ceiling Light Bulbs, 2 Pin Dimmable, Spot Bulbs, Reflector 2700 K Warm White, Pack of 6

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【Dimmable】: The spotlight bulb is dimmable with your motion switch and delivers clear, high-quality warm light. No need to warm up as the spotlight bulb lights up immediately and you can adjust the light output.
MR16 halogen bulbs: MR16 12V 20W halogen bulbs, full brightness with warm white 2700K, create a cosy and relaxing atmosphere and give your dining room or living room a warm and inviting atmosphere.
Long service life: the life of the MR16 halogen ceiling light is longer than that of 90% of bulbs available on the market. Work up to 2500 hours. Consume up to 28 percent less energy than traditional bulbs, saving you time and energy.
35° beam angle: 35 degree halogen spotlights cover more space and create a pleasant light that is suitable for most home applications or ambient lighting in commercial applications. CRI of GU5.3 halogen bulbs is over 99.
12 V MR16 halogen bulb: Volt: 12 V, size: 50 x 45 mm, the MR16 socket and the MR11 are easy to confuse, please check carefully before purchase whether the voltage and size match.

14,99 €
09

VINBE

VINBE MR16 Halogen Light Bulbs, 20W 12V MR16 GU5.3 Halogen Spot Light Bulbs, Warm White, Pack of 4

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide application: GU5.3 bulb is widely used in shop window, restaurant, family, decorative lighting, office, reading room;
High brightness: MR16 provides 38 degree beam angle, warm white 2800 K light with 250 lumens, low power consumption 30% energy saving
Features: 12 V 20 W GU5.3 bulb, 2500 hours life of the bulb, 0% -100% smooth dimming high brightness, no patching
Excellent service: We are committed to making our customers satisfied with our products and services. Any doubt before purchase or during use, please feel free to contact us. We will find a suitable solution for you.
Easy installation: MR16 warm white halogen bulbs, easy to install, can be widely used in types of light, please pay attention to the base;

10,49 €
10

GMY

GMY Pack of 12 G4 Halogen Light Bulbs, 20 W, 12 V, 2 Pin Halogen Bulbs, G4 Halogen Bulbs, Pin Base Lamp, Dimmable, 2800 K, Warm White for Chandeliers, Cooker Hoods, Microwaves, Ovens

15% Off Limited Time Deal

15% Off

Limited Time Deal

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Plug and play and versatile: universal 2-pin G4 pin base, easy to install, ideal for chandeliers, cooker hoods, landscape lighting, cabinet lamps
High Quality:High quality glass and advanced workmanship, 2000 hours lifespan, saving time and replacement cost.
CRI>99 Warm White Light: 2800K warm white, natural color rendering, flicker-free without UV/IR radiation, protect eyes from daily use.
360° EVEN LIGHT EMISSION: 360° beam angle, uniform light without glare, enhance the atmosphere of living and working spaces.
0%-100% Dimmable & Heat Resistant: Pack of 12, Compatible with common dimmers, 300°C heat resistant, perfect for cooker hoods, ovens and microwaves.

6,79 € 7,99 €(15% Off off)