Best 12v 20w G4 Led 2025

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Last Updated - 26.07.2025

Best Choice

01

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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9.6

Exceptional

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✦【Warranty and customer service】DiCUNO offers a 3-month refund and 1 year warranty from the date of purchase. If you have any questions or concerns about the item, please feel free to contact us
Versatile: 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.
Stable 12 V light output: these G4 LED bulbs impress with their transparent silicone coating, electronic components and 14 powerful LED chips 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.
Energy-saving bulb: This G4 LED consumes only 2 W power and can replace up to 20 W halogen. The ideal service life is 25000 hours. You save up to 90% energy consumption and reduce the frequency of lamp changes.
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.

13,99 €
02

Osram

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

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23% Off
9.4

Excellent

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Very low energy consumption, latest LED technology
Very long service life - up to 25,000 hours and up to 100,000 switching cycles. Warm white light for well-being and relaxation in living rooms, bedrooms and children's rooms
Top quality from the Osram brand
Lower heat generation (compared to standard product reference).
Instant full light, no warm-up time. Easy replacement of conventional lamps (outdoor use only in suitable lights)

12,99 € 16,99 €(23% Off off)
03

Jewan

Jewan G4 LED Bulbs, Pack of 12, 2 W G4 LED Bulb, Warm White, 3000 K, Replacement 20 W Halogen Bulbs, 200 LM G4 LED Bulb, 360° Beam Angle, Not Dimmable, No Flicker, 12 V AC/DC Energy Saving Lamp

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9.1

Excellent

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Main highlights

Wide range of applications: G4 LED lamps is suitable for all kinds of LED lamps with G4 bulbs, such as chandeliers, wall lamps, table lamps, floor lamps and other lamps; it can decorate living rooms, kitchens, bedrooms, offices, bars, shops, cafes and restaurants. The high-quality G4 bulbs can provide you with a comfortable and warm lighting atmosphere
Mini size, easy to install: LED bulb size: 36.2 mm x 12 mm, compared to the bulbs on the market, our G4 bulbs are smaller, more beautiful and energy efficient. G4 LED bulb, has a standard G4 pin, it can be easily inserted into different lamps with G4 base, plug and play. (The size of this bulb is different from normal halogen bulbs. Please check the size before purchase to avoid mismatch to the light)
Important tips: G4 LED bulbs are non-flickering and non-dimmable, please do not use them with dimmers! The voltage should be lower than 12V. A special transformer is required to connect to 220 V. (If the bulb flickers, check the voltage, or use 1-2 halogen bulbs)
High colour rendering index and 3000K warm white: the colour rendering of G4 LED lamp warm white is larger than 80, can protect the eyes from damage and has a strong ability to restore the colour of objects. G4 lamps, has a colour temperature of 3000 K for a soft and warm light. It offers a perfect beam angle of 360°, no flicker, no irritation, but a warm atmosphere at home.
Energy saving and power saving: G4 LED bulbs with a brightness of 200 lumens, it is bright enough to illuminate your whole living room or dining room and replaces conventional 20W halogen bulbs, but consumes only 10% of the power of conventional halogen bulbs and saves almost 90% electricity! G4 LED bulb emits less heat, which is environmentally friendly and saves electricity costs, making it the best choice for lighting alternatives

7,99 €
Value for Money

04

AGOTD

AGOTD LED G4 Bulbs, 2 W G4 LED Bulbs Replaces 20 W Halogen Bulbs, 2700 K Warm White, 296 lm, 12 V AC/DC LED Bulbs, Not Dimmable Pin Base Bulbs, Pack of 5

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31% Off
8.9

Very Good

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Wide Application G4 LED bulbs ideal for use in cabinet light, kitchen wall light, ceiling lights, table lamps, accent lights, display and landscape lighting.
This 12V G4 LED lamp must be used with an electronic transformer. Please make sure your transformer is compatible with LED lamps. This G4 capsule LED bulbs is not dimmable, please do not use with dimmer.
Same size as halogen bulb: G4 two-pin LED bulb, 33mm*11mm. Compatible with AC 12V and DC 12V. Perfectly replace the 20 watt G4 halogen bulb, and you save over 90% on energy costs.
High brightness LED chip: this G4 uses high-quality imported LED chips (16pcs * 4014 SMD LED) with high color rendering index (Ra≥83), anti-dizziness, no flicker, no radiation, uniform light output, no stain and long service life.
Aluminum PCB Fast Heat Dissipation Unlike other G4 LEDs with FR-4 plate, we use high quality aluminum circuit boards. Efficient heat dissipation, guaranteed 296LM light output even with small lamp body.

6,82 € 9,99 €(31% Off off)
05

Akynite

Recessed Spotlight G4 LED 12 V 2 W Neutral White 4000 K, G4 10 W 20 W Halogen Bulb Replacement, AC/DC 12 V LED Pin Base Lamp Neutral White for Cooker Hood Lamp, Not Dimmable, Set of 6

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8.8

Very Good

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★【Transformer】: Please make sure the transformer is compatible with the LED lamp. Incompatibility causes the LED to flicker. When using a halogen transformer, all connected bulbs must reach the minimum output power of the transformer.
★【G4 12V 2W】: Do not install G4 12V LED directly into the AC 100-240V standard lighting system, as this will cause a short circuit or damage the LED lamp. If you want to use it with AC 100-240V, you need to use a transformer!
★【Energy saving】: G4 12V 2W neutral white 4000K with 12 LEDs, 200 lm, light scattering angle is 360 degrees. G4 2W LED replacement for G4 10-20W halogen bulb, with which energy consumption can be reduced by more than 85%. G4 LED neutral white for cooker hood.
★【Durable quality】: G4 with pin base, diameter 12 x 37.9 mm, easy to install. Instant illumination. 30,000 hours lifespan. No lead or mercury. No hum or flicker. Suitable for interior lighting of cabins
★【Application】: pin base lamp G4 12V 4000K is suitable for indoor lighting. Used for cooker hood, kitchen furniture, over the sink, mirror cabinet in the bathroom, living room, cabinets, corridors, cubicle.

7,26 €
06

Tailcas

Tailcas G4 LED Warm White Bulbs, 12 V, 1.5 W, No Flickering, G4 LED Pin Base Lamp, Replacement for 20 W Halogen Bulbs, Energy Saving Bulb 3000 K, 180 LM AC/DC LED Bulbs, Not Dimmable, Pack of 10

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38% Off
8.6

Very Good

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Main highlights

Warm white light and no flickering: 3000 K warm white light creates a bright and comfortable atmosphere; the colour rendering index (CRI>80) makes objects more vivid; G4 LED lamps can be immediately brought to full brightness, no buzzing noise and no flickering, which can protect your eyes
Tips about G4 LED lamp: G4 LED bulbs are not dimmable, do not use these bulbs with dimmer switch; size (from 9 mm x 36 mm). Please check the dimensions of the bulb before purchase
Long service life and safety: G4 LED pin base lamps with 24 x 3014 LEDs, with high-quality silicone case, not fragile and good heat dissipation
G4 energy saving lamps: G4 1.5 W LED light bulb warm white 3000 K with 180 lm, brighter than most other G4 LED bulbs with similar power, LED G4 bulb save 90% on electricity bills, outstanding service life of up to 20,000 hours. Ideal replacement for the G4 20 W halogen bulbs
Easy installation: Standard base of G4, easy and quick to install, perfect for lighting for living room, bedroom, kitchen, dining room, office, shop, oven, etc.

6,79 € 10,99 €(38% Off off)
07

YIIFELL

YIIFELL G4 LED Bulbs, Pack of 12, Cool White, 6000 K, 2 W, G4 LED Bulb, Replacement 20 W Halogen Bulbs, 200 LM LED Bulbs, Not Dimmable, No Flicker, 360° Beam Angle, 12 V AC/DC Energy Saving Bulb

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15% Off
8.3

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 range of applications: G4 LED lamps is suitable for all kinds of LED lamps with G4 bulbs, such as chandeliers, wall lamps, table lamps, floor lamps and other lamps; it can decorate living rooms, kitchens, bedrooms, offices, bars, shops, cafes and restaurants. The high-quality G4 bulbs can provide you with a comfortable and warm lighting atmosphere
Mini size, easy to install: LED bulb size: 36.2 mm x 12 mm, compared to the bulbs on the market, our G4 bulbs are smaller, more beautiful and energy efficient. G4 LED bulb, has a standard G4 pin, it can be easily inserted into different lamps with G4 base, plug and play. (The size of this bulb is different from normal halogen bulbs. Please check the size before purchase to avoid mismatch to the light)
High colour rendering index and 6000K cool white: the colour rendering of G4 LED lamp cool white is larger than 80, can protect the eyes from damage and has a strong ability to restore the colour of objects. G4 lamps, has a colour temperature of 6000 K for a soft and warm light. It offers a perfect beam angle of 360°, no flicker, no irritation, but a warm atmosphere at home.
Energy saving and power saving: G4 LED bulbs with a brightness of 200 lumens, it is bright enough to illuminate your whole living room or dining room and replaces conventional 20W halogen bulbs, but consumes only 10% of the power of conventional halogen bulbs and saves almost 90% electricity! G4 LED bulb emits less heat, which is environmentally friendly and saves electricity costs, making it the best choice for lighting alternatives
!!!! Important tips! : G4 LED bulbs are non-flickering and non-dimmable, please do not use them with dimmers! The voltage should be lower than 12V. A special transformer is required to connect to 220 V. (If the bulb flickers, check the voltage, or use 1-2 halogen bulbs)

6,79 € 7,99 €(15% Off off)
08

SANSUN

4 Pack 3W MR11 12V 20W Halogen Replacement GU4 Bi-Pin Base Soft White 3000K Non Dimmable LED Bulbs

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8.2

Good

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Main highlights

MR11 LED bulb, 3W equivalent to 20W halogen spotlight.
If you use a halogen transformer, please add 1~3 halogen bulbs into the LED bulbs together (due to the low power consumption, so that LED flickers) use the LED transformer.
EASY INSTALLATION - Standard MR11 shape with medium plug-in base. (Diameter 35 mm, not 50 mm)
15,000 hours long lifespan: 1 year warranty, GU4.0 bi-pin base, 120° beam angle.
12V DC low voltage for Christmas trees, fibre optic, landscape lighting, floor lamps, ceiling lights.

10,99 €
09

DiCUNO

DiCUNO 10 Pack G4 1.5 W LED Lightbulbs 180 Lumen AC/DC 12 V Incandescent Bulbs Equivalent to 20 W Halogen

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23% Off
8.1

Good

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1 piece.

9,99 € 12,99 €(23% Off off)
10

Lamptobe

Lamptobe G4 LED 12 V Warm White, 2 W Equivalent to 20 W Halogen, G4 Bi-Pin Base, AC/DC 12 V, 2700 K, 120° Wide Angle, 220 LM, Suitable for Under-Unit Light, Not Dimmable, Pack of 4

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8.0

Good

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Main highlights

Warm white comfort: LED G4 12V have warm white light (2700K, 220 lumens). Standard G4 base, suitable for bulbs with G4 socket. EASY INSTALLATION WITHOUT TOOLS - PLEASE CHECK BEFORE PURCHASING IF THE LIGHT FITS
Safe & environmentally friendly: no warm-up time, lightning-fast installation without annoying waiting times. Note: the input voltage of the G4 LED warm white is DC/AC 12V - please use it with the appropriate voltage
No flickering: with 18 SMDs and a high CRI of 80Ra, the G4 LED lamp provides even and instant lighting without flickering, protects your eyes and creates a pleasant, relaxing atmosphere
Energy saving: 2 W G4 LED 12 V corresponds to a 20 W halogen bulb, have a service life of up to 25,000 hours and save up to 90% on electricity costs. 4 pieces are more durable and save time and money
Application: the G4 12V LED are suitable for recessed lights, kitchens, cabinets, wardrobes, cooker hoods, LED recessed spotlights, chandeliers, living rooms and washrooms, bedrooms, bathrooms, RVs, offices, restaurants, shops and bars

10,99 €