Best 12v 20w G4 Led 2026

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Last Updated - 27.03.2026

Best Choice

01

GY

GY G4 LED Bulb 1 W Replacement for 20 W 12 V, 173 Lumen 3000 K G4 LED Warm White Mini Light Bulb LED Energy Saving Lamp Not Dimmable, Suitable for Kitchen Living Room Interior Lighting Compact, Pack

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15% Off
9.8

Exceptional

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Versatile and flexible use: perfect for kitchen, living room, cupboards, campers or other compact interior lights. The mini design fits even in tight spaces and provides efficient light for a wide range of applications. Versatile and flexible use: perfect for kitchen, living room, cupboards, campers or other compact interior lights. The mini design fits into tight spaces and provides efficient light for a wide range of applications.
Safe and high quality: G4 LED bulbs are free from UV, mercury and harmful substances, safe for health and the environment. High-quality materials ensure consistent performance and reliability. Our customer service is always available if you have any questions.
Energy-efficient and durable: with only 1 W consumption and replacement power for 20 W, this LED G4 saves energy significantly. The long service life guarantees years of operation without frequent changes, reduces electricity costs and protects the environment.
Easy installation: the compact mini G4 12 V bulb can be quickly inserted into any standard G4 socket. Instant brightness without warm-up time, robust and durable, for easy replacement of conventional lamps.
Brilliant and compact light: this G4 LED bulb 1 W provides 173 lumens of uniform light and replaces conventional 20 W lamps. Ideal for kitchens, living rooms, cupboards or other indoor areas, it provides efficient and comfortable lighting with low energy consumption.

14,39 € 16,99 €(15% Off off)
02

QOJUX

QOJUX G4 LED Warm White Bulbs, 1 W 173 LM G4 LED Bulbs, Class C, Replacement for 15 W 20 W Halogen Bulbs, 12 V AC/DC Pin Base, 3000 K Energy Saving Bulb, Not Dimmable, No Flicker, Pack of 10

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25% Off
9.7

Exceptional

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Wide application: suitable for indoor lighting, e.g. As a chandelier, crystal lamp, ceiling fan, wall light, desk lamps, cooker hoods, etc. G4 LED 12 V is not dimmable, please do not use with dimmer.
Eye protection: Colour rendering index > 80, shows real and natural colours. G4 LED warm white offers a colour temperature of 3000 K, creating a warm and comfortable atmosphere. Flicker-free lighting protects your eyes.
Excellent quality: the G4 LED lamp consists of 12 high-bright LEDs, a translucent PC lampshade and stable capacitor components. This ensures a service life of more than 30,000 hours with high energy efficiency. If you have any questions, we offer fast customer service - with answers within 24 hours.
Easy to install: standard G4 base, easy and quick to install, immediately without delay. Please check the dimensions carefully before purchasing. Size: 38 x 12 mm.
EU energy efficiency class C: Compared to most G4 LED and halogen lamps on the market, our G4 lamps have reached the EU energy efficiency class C certified by the European Energy Efficiency Agency. Replace a 20 W halogen bulb with only 1 watt and provide a luminous flux of 173 lumens, achieving energy savings of up to 90%.

11,96 € 15,99 €(25% Off off)
Value for Money

03

OSRAM

Osram Star PIN LED Light Bulb for G4 Base, Clear Glass, Warm White (2700K), 200 Lumens, Replacement for Conventional 20W Bulbs, Non-Dimmable, Pack of 5

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47% Off
9.5

Excellent

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Main highlights

What components are included in the scope of the product: 5 x LED special lamps
Very low energy consumption, latest LED technology
Very long service life - up to 25000 hours and up to 100,000 switching cycles. Warm white light for well-being and relaxation in living rooms, bedrooms and children's rooms
Power source type: AC
Number of units: 1.0
Lower heat generation (compared to the standard reference product).
Instant full light, no warm-up time. Easy replacement of conventional lamps (use outdoors only in suitable lights)
F
Best quality from the brand. OSRAM
3.0 grams

8,99 € 16,99 €(47% Off off)
04

DiCUNO

DiCUNO Pack of 10 G4 2W LED Bulbs, 200 Lumens, AC/DC 12V Bulbs, Replacement for 20W Halogen, Non-Dimmable, No Flickering, LED Pin Base Lamp, Small Light Bulb, 10 Pieces

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23% Off
9.2

Excellent

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5. DiCUNO LED light bulb: The DiCUNO brand is a supplier specialising in the production of LED lamps. With innovative LED technology, we offer high-quality, energy-efficient lighting solutions and strictly comply with EU Ecodesign Regulations VO (EU) 2019/2020. Energy Efficiency Rating: F. Package Content: 10 Pack Non-Dimmable Bulbs, Do Not Use With Dimmers.
4. MULTIPURPOSE The G4 LED lamp is the perfect replacement for halogen. With a warm white light colour of 3000K, it creates a pleasant atmosphere just like halogen and is ideal for use in chandeliers, recessed ceiling lights, showcase cabinets, mirror cabinets, cooker hoods, desk lamps etc.
3. Compact size: these LED lights with standardised G4 socket impress with a small diameter and narrow dimensions. With the cylindrical shape, narrow top and wide bottom (total height: 37 mm and max. Width: 10.2 mm) they are easy to change and fit in different applications.
2. Stable 12 V light output: these G4 LED bulbs impress with their transparent silicone coating, electronic component and 14 powerful LED chips of the type 2835. This ensures efficient heat output and ensures a flowing, flicker-free light source. The LED lamps require a special LED transformer for operation at 12 V AC/DC to develop their optimal performance.
1. Energy saving bulb: DiCUNO G4 LED consumes only 2W power and can replace up to 20W halogen. The ideal service life is 25000 hours. You save up to 90% energy consumption and reduce the frequency of lamp changes.

9,99 € 12,99 €(23% Off off)
05

Caldarax

Caldarax G4 LED Lamp 2 W, Replacement for 12 V 20 W Halogen, Warm White 3000 K, 200 LM, 12 V Low Voltage LED Bulb, Not Dimmable, Not Flickering, for Under-Unit Lights, Cooker Hood, Pack of 6

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15% Off
9.1

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

【Warranty Service】If a quality problem occurs 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.
【Easy Installation】Standard G4 two-pin socket, plug and play, very convenient. Non-dimmable, cannot work with dimmer. If the 2 watt LED bulb flickers due to compatibility problems, please use a halogen lamp in combination with the LED lamp or replace the LED transformer.
【Application】Suitable for cooker hood, showcase cabinets, mirror cabinet, living room, cabinet, hallway, camping, etc. for chandeliers, ceiling light, floor lamp, table lamp, garden lights, accent lights, landscape lighting.
G4 LED 2 W 12 V: 6 x G4 LED 2 W bulbs, with transparent PC cover. G4 bi-pin socket, 200 lumens, diameter 10 x 34 mm, input voltage 12 V. Please check whether tension and size match before purchasing.
Energy saving bulb 90%: G4 LED 2 W replaces 20 W halogen bulb, which emits less heat and can save more than 90% on electricity costs. The service life is up to 25,000 hours, which reduces the effort and cost of frequent lamp changes.
Durable quality: G4 LED bulbs can be instantly brought to full brightness, no flicker, no radiation, no buzzing noise. 360° beam angle, super high colour rendering index for a pleasant 3000K warm white glow.

8,49 € 9,99 €(15% Off off)
06

Caldarax

Caldarax G4 LED Bulbs 12V 2W, Neutral White 4000K, Replacement for 20W Halogen, 200LM, Non-Dimmable, LED Energy Saving Bulb, G4 Pin Base Lamp, for Under-Unit Lights, Landscape Lighting, Pack of 6

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15% Off
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

【Warranty Service】If a quality problem occurs 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.
【Easy Installation】Standard G4 two-pin socket, plug and play, very convenient. Non-dimmable, cannot work with dimmer. If the 2 watt LED bulb flickers due to compatibility problems, please use a halogen lamp in combination with the LED lamp or replace the LED transformer.
【Application】Suitable for cooker hood, showcase cabinets, mirror cabinet, living room, cabinet, hallway, camping, etc. for chandeliers, ceiling light, floor lamp, table lamp, garden lights, accent lights, landscape lighting.
G4 LED 2 W 12 V: 6 x G4 LED 2 W bulbs, with transparent PC cover. G4 bi-pin socket, 200 lumens, diameter 10 x 34 mm, input voltage 12 V. Please check whether tension and size match before purchasing.
Energy saving bulb 90%: G4 LED 2 W replaces 20 W halogen bulb, which emits less heat and can save more than 90% on electricity costs. The service life is up to 25,000 hours, which reduces the effort and cost of frequent lamp changes.
Durable quality: G4 LED bulbs can be instantly brought to full brightness, no flicker, no radiation, no buzzing noise. 360° beam angle, super high colour rendering index for a pleasant neutral white 4000K glow.

8,49 € 9,99 €(15% Off off)
07

YzzYzz

YzzYzz G4 LED Light Bulb, 2 W Bulbs, Warm White, 2700 K, Replacement 20 W Halogen Bulbs, 296 LM Bulb, AC/DC 12 V, Pin Base Lamp, Not Dimmable, No Flicker, Pack of 4

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50% Off
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

Widely Used Applications The LED pin base lamp G4 can be started immediately and has an initial brightness of 100%. It is ideal for use in residential lighting, cafes, shopping malls, bars, restaurants, hotels, kitchens, living rooms, dining rooms, offices, bedrooms, hallways, etc. in private households. This G4 LED 2 W lamp should only be used at 12 V (AC12 V and DC12 V). Always use an LED transformer or LED power supply to connect these lights.
Quick and easy installation: the small G4 LED bulbs are compatible with existing G4 bulbs and compact in design (33.2 x 11.6 mm). It is designed to replace halogen bulbs and can be easily installed and replaced in existing standard G4 halogen bulbs. Please note that this G4 bulb is not dimmable and should not be used for dimmers.
Energy saving: this 12 V G4 LED warm white bulb consumes only 2 W and can perfectly replace a 20 W halogen lamp, which means energy saving of up to 90%. Compared to the halogen lamp, this G4 LED lamp does not get hot
Durable and reliable: made of high-quality silicone, the LED G4 lamp has good heat dissipation and permeability. It has a bright and clear beam of light and is suitable for task lighting and decorative applications. Its lifespan is up to 20,000 hours, which means it can be used for years without the need for replacement.
Comfortable light radiation: with a light colour of 2700K warm white light, it provides soft and comfortable lighting. The 360° beam angle provides full illumination. The colour rendering index (CRI) of the G4 LED lamp is high (CRI>85), which allows precise colour representation. The LED G4 pin base does not flicker, is silent and glare-free, which guarantees a stable and pleasant lighting experience.

4,99 € 9,99 €(50% Off off)
08

Morotty

Pack of 12 G4 Halogen Light Bulbs 20 W 2700 K Warm White 240 lm Halogen Bulb G4 20 W 12 V to 300 C Halogen Dimmable Warm White for Cooker Hoods, Ovens, Microwaves

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20% Off
8.5

Good

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Main highlights

Warm reminder: this product is plug and play, easy to install and suitable for any G4 lamp holder. If you have any questions, please feel free to contact us.
Usage scenarios: G4 halogen bulbs are suitable for cooker hoods, oven lights, microwave ovens, crystal chandeliers, chandeliers, landscape lighting, etc. They can be used as long as they are equipped with a G4 pin base lamp holder.
Lifespan: G4 halogen can be used continuously for 2000 hours, so you can save yourself the trouble of frequent bulb changes.
High-quality halogen lamp G4: good colour rendering, strong penetration, long service life, high colour temperature, non-glare, good lighting effects and visual comfort for your life.
G4 halogen bulb: 20 watts, 2700K warm white light, 240 lumens, resistant to 300 degrees high temperatures, no delay, 360° light direction, no flickering, continuous light every day.

6,36 € 7,95 €(20% Off off)
09

SANSUN

SANSUN G4 LED Light Bulbs, 2W Halogen Equivalent, G4/GU4/GZ4 Bi-Pin Base, AC/DC12V, 3000K, 120°Wide Angle, Non-Dimmable (Warm White, Pack of 6)

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15% Off
8.2

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

When using a halogen transformer, when the LED flickers, please add 1~3 halogen bulbs to the LED lamp group (due to low power consumption, so the LEDs flicker). It is recommended to use the LED transformer.
Easy installation: plug and play LED bulbs, reduce maintenance costs.
90% energy saving: perfect replacement for 20W G4 halogen bulb, safer than halogen.
15,000 hours long lifespan: 1 year warranty, GU4.0 bi-pin base, 120° beam angle.
12V Low Voltage: G4 bulbs ideal for RVs, marine boats, cabinet lighting.

9,34 € 10,99 €(15% Off off)
10

OSRAM

OSRAM PIN LED lamps, special

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8.1

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

Lower heat generation (compared to the standard reference product).
Long life - up to 15000 hours and up to 100000 switching cycles. Warm white light for well-being and relaxation in living rooms, bedrooms and children's rooms
Instant full light, no warm-up time. Easy replacement of standard incandescent lamps, genuine replacement for a 20W bulb (outdoor use only in suitable lights)
Energy consumption: 2 kWh/1000 h at 200 lm
Box contents: 20 x G4 1.80 W 12 V warm white 2700 K LED bulbs, 100% mercury free - the best quality from the brand. OSRAM.

5,87 €