Updated:21 October 2026
Rank 1-14 of the best Dimmable G4 LED Bulbs
Our recommendation Price Customer rating
1. Comparison winner
YUANHENLIZ G4 LED Bulbs 2W, Warm White, 6 Pack
YUANHENLIZ G4 LED Bulbs 2W, Warm White, 6 Pack
Available immediately
free shipping
  • saves at least 80% on electricity and reduces frequent bulb replacements
  • life expectancy not specified
  • suitable for indoor use such as chandeliers, ceiling fans, and desk lamps
Our rating
9,6
very good
2. Best value
G4 LED Bulbs 2W Dimmable, AC/DC 12-24V, Natural White 4000K, 250lm, Pack of 10
G4 LED Bulbs 2W Dimmable, AC/DC 12-24V, Natural White 4000K, 250lm, Pack of 10
Available immediately
free shipping
  • dimensions 13 millimetres by 37 millimetres for the LED bulb
  • uses 2 watts and outputs 250 lumens, replacing a 20 to 25 watt halogen bulb, saving up to 90 per cent on electricity costs
  • long service life up to 30,000 hours
Our rating
9,6
very good
3. Bestseller
Tkhetiana G4 LED Bulb 2W, Warm White 3000K
Tkhetiana G4 LED Bulb 2W, Warm White 3000K
Available immediately
free shipping
  • 12-24 volt LED with warm white light for comfortable illumination
  • energy-saving 2 watt low power consumption with minimal heat output
  • over 30,000 hours lifespan reduces the need for frequent replacements
Our rating
9,6
very good
I-SHUNFA G4 LED Dimmable Bulbs, Warm White 3000K, AC/DC 12-24V, 1.2W, 125lm, Pack of 10
I-SHUNFA G4 LED Dimmable Bulbs, Warm White 3000K, AC/DC 12-24V, 1.2W, 125lm, Pack of 10
Available immediately
free shipping
  • size 10.4 mm by 29.8 mm
  • energy efficiency: low power consumption 1.2 W and 125 lumens, replaces a 12–15 W halogen bulb and can help cut electricity costs by up to 90%
  • lifespan: up to 30,000 hours
Our rating
9,6
very good
kuyamilay G4 3W LED Bulbs, Dimmable, Warm White, 12-24V AC/DC, G4 Bi-Pin Base, 4-Pack
kuyamilay G4 3W LED Bulbs, Dimmable, Warm White, 12-24V AC/DC, G4 Bi-Pin Base, 4-Pack
Available immediately
free shipping
  • fits standard G4 lamp holder
  • consumes 3 watts to deliver light comparable to a 20 watt halogen, delivering over 90% energy saving
  • longer lifespan ensured by silicone construction with good heat dissipation, reducing light loss
Our rating
9,6
very good
10pcs G4 LED Dimmable Bulbs 2W Bi Pin
10pcs G4 LED Dimmable Bulbs 2W Bi Pin
Available immediately
free shipping
  • small size, with a 3.7cm length and 1cm diameter, and fits G4 lamp holders
  • power consumption of 2 watts provides energy efficiency savings
  • service life of up to 50,000 hours reduces frequency of bulb replacement
Our rating
9,6
very good
G4 LED 1.5W Blue Dimmable Bulb 12V Pack of 3
G4 LED 1.5W Blue Dimmable Bulb 12V Pack of 3
Available immediately
free shipping
  • size: compact g4 led bulb with total length 36 mm, diameter 9.2 mm, pin length 10 mm and pin spacing 5 mm
  • energy efficiency: power consumption around 1.5 watts and energy efficiency class a+
  • lifetime: approximately 30,000 hours, with more than 25,000 switching cycles before failure
Our rating
9,6
very good
I-SHUNFA G4 LED Dimmable Bulbs, 12–24V AC/DC, Warm White 2700K, 1.2W, 125lm (12–15W Halogen Equivalent), Pack of 10
I-SHUNFA G4 LED Dimmable Bulbs, 12–24V AC/DC, Warm White 2700K, 1.2W, 125lm (12–15W Halogen Equivalent), Pack of 10
Available immediately
free shipping
  • size 10.4 mm by 29.8 mm LED bulb with 12–24 v ac/dc compatibility and a 270 degrees light angle
  • energy efficiency 90% energy savings with a low power consumption of 1.2 watts producing 125 lumens replacing a 12–15 watt halogen bulb
  • lifespan up to 30,000 hours with improved light transmission and reduced attenuation
Our rating
9,5
very good
Pissente G4 LED Bulbs 2W, Dimmable, Bi-Pin, 3000K Warm White, 12V/24V, Pack of 10
Pissente G4 LED Bulbs 2W, Dimmable, Bi-Pin, 3000K Warm White, 12V/24V, Pack of 10
Available immediately
free shipping
  • Size: small form factor facilitates installation in compact lamps and fixtures
  • Energy efficiency: uses only 2 watts of power, helping to save energy
  • Lifespan: long service life up to 50,000 hours
Our rating
9,3
good
Vicloon G4 LED Light Bulbs, Warm White, 2W, 5 Pack
Vicloon G4 LED Light Bulbs, Warm White, 2W, 5 Pack
Available immediately
free shipping
  • dimensions: standard size is 13mm x 37mm
  • energy efficiency: uses 2 watts, equivalent to 20 watts of traditional halogen, saving up to 90% on energy costs
  • lifespan: lasts up to 20,000 hours, longer than traditional halogen bulbs
Our rating
9,0
good
Solisara 8 Pack G4 LED Bulbs, 2W, Dimmable, 12V AC/DC, 3000K Warm White, 2-Pin Capsule, 20W Halogen Equivalent, for Chandeliers and Landscape Lighting
Solisara 8 Pack G4 LED Bulbs, 2W, Dimmable, 12V AC/DC, 3000K Warm White, 2-Pin Capsule, 20W Halogen Equivalent, for Chandeliers and Landscape Lighting
Available immediately
free shipping
  • two watt G4 capsule bulbs designed to replace twenty watt halogen lamps
  • saves over 90 per cent of energy compared with traditional halogen lighting
  • lifetime up to 30,000 hours
Our rating
9,0
good
No reviews yet
6-Pack G4 LED Bulbs, 3W, 12V, 3000K Warm White, 180° Beam, Dimmable, GU4/GZ4 Bi-Pin Base, for RV/Camper/Boat/Cabinet Lighting
6-Pack G4 LED Bulbs, 3W, 12V, 3000K Warm White, 180° Beam, Dimmable, GU4/GZ4 Bi-Pin Base, for RV/Camper/Boat/Cabinet Lighting
Available immediately
free shipping
  • compact size designed for G4 bi-pin bases in small fixtures such as camper trailers, motorhomes and boats
  • consumes 3 watts to replace 20-30 watt halogen bulbs, helping reduce energy use and bills
  • long-lasting LED bulbs provide a longer service life than traditional halogen
Our rating
9,0
good
ZenithCove 4-pack G4 LED Bulbs, 2W, 3000K Warm White, 200lm, Dimmable, AC/DC 12-24V, Non-Flicker, Halogen Equivalent 20W
ZenithCove 4-pack G4 LED Bulbs, 2W, 3000K Warm White, 200lm, Dimmable, AC/DC 12-24V, Non-Flicker, Halogen Equivalent 20W
Available immediately
free shipping
  • size: g4 standard capsule size for easy replacement in compatible fixtures
  • energy efficiency: uses 2 watts to deliver efficient lighting and lowers electricity use compared with traditional halogen bulbs with low heat output protecting fittings
  • lifespan: over 20,000 hours of service life to minimise maintenance
Our rating
9,0
good
Kuyamilay G4 LED Bulbs, 12V Warm White
Kuyamilay G4 LED Bulbs, 12V Warm White
Available immediately
free shipping
  • consumes 2 watts of energy and replaces a 20 watt halogen bulb
  • provides bright and vibrant colours with a 3000K warm white light, ensuring a pleasant atmosphere
  • features good heat dissipation and reduces light drop to extend the product's lifespan
Our rating
8,8
good

Similar Dimmable G4 LED Bulb comparisons

Dimmable G4 LED Bulbs buying guide: How to choose the right product from the above Dimmable G4 LED Bulbs test or comparison

Why Choose Dimmable G4 LED Bulbs?

Efficiency Meets Versatility

Choosing dimmable G4 LED bulbs is an excellent choice if you’re looking to enhance both the functionality and ambiance of your space. These bulbs not only consume significantly less energy compared to traditional bulbs, but they also allow you to adjust the brightness according to your needs. Imagine hosting a dinner party where you can set the lighting to a warm glow for a relaxed atmosphere, or need bright light while cooking. Dimmable G4 LED bulbs give you that versatility, making them a smart addition to any room.

Longevity and Cost Savings

Another compelling reason to opt for dimmable G4 LED bulbs is their impressive lifespan. Unlike conventional bulbs which may need frequent replacement, G4 LEDs can last for tens of thousands of hours. This means fewer trips to the shop for replacements, ultimately saving you money in the long run. Additionally, because they use less power, your electricity bills will reflect those savings. It’s a practical choice for any budget-conscious home.

Key Features to Consider Before Buying

Brightness and Dimming Range

When selecting G4 LED bulbs, consider the brightness measured in lumens. If you need bright illumination, look for options that provide higher lumens while also ensuring they dim well. A good dimming range is essential; a bulb that dims smoothly from bright to low light without flickering will enhance your experience.

Colour Temperature Options

Next, think about the colour temperature. Depending on your needs, you might prefer warm white light for a cozy feeling or cool white light for a more energetic atmosphere. G4 LEDs typically come in a range of temperatures, usually around 2700K for warm and 5000K for cool light. Choosing the right colour temperature can drastically affect the mood of your space.

Compatibility with Dimmers

Ensure that the dimmable G4 LED bulbs you choose are compatible with your existing dimmer switches. Some older dimmers may not work well with new LED technology, leading to flickering or buzz. Checking compatibility before making a purchase will help you avoid issues down the line.

How to Install Dimmable G4 LED Bulbs with Ease

Safety First: Preparing for Installation

Installing G4 LED bulbs is a straightforward process, but safety is essential. Before you start, make sure to turn off the power to the fixture at the circuit breaker. This simple step will help you avoid any electrical shocks. Once the power is off, you can begin the installation.

Step-by-Step Installation Guide

To install the bulbs, gently remove any existing bulbs from the fixture. Then, align the new G4 LED bulb with the socket, ensuring the pins are correctly inserted into the socket holes. Carefully press down until the bulb is securely in place. Once you’ve installed the bulbs, turn the power back on to test your new lighting.

Best Practices for Using Dimmable G4 LED Bulbs

Utilising Dimming Features

Take full advantage of the dimming capabilities these bulbs offer. Adjust the brightness according to the time of day or activity you’re engaged in. Dimming can help create an ideal atmosphere for relaxation during the evening while providing bright light for tasks like reading or cooking.

Regular Maintenance Tips

For optimal performance, keep your fixtures clean from dust and grime, as this can affect the light output. Regularly check the connections and ensure the bulbs are securely fastened in their sockets. This simple maintenance ensures longevity and consistent brightness.

Top Recommendations for Dimmable G4 LED Bulbs

Reliable Choices for Every Budget

When it comes to selecting the best dimmable G4 LED bulbs, we recommend looking for those that combine efficiency with high-quality output. Brands that offer a good range of lumens and colour temperatures, along with positive customer reviews, are excellent choices. Remember to consider bulbs that come with a comprehensive warranty, as this is indicative of the manufacturer’s confidence in product durability.

Quality over Quantity

While it might be tempting to purchase cheaper options in bulk, investing in a few high-quality dimmable G4 LEDs can provide better results. Prioritise bulbs from reputable manufacturers who focus on creating durable products with steady dimming capabilities.

Table of contents
  1. Why Choose Dimmable G4 LED Bulbs?
  2. Key Features to Consider Before Buying
  3. How to Install Dimmable G4 LED Bulbs with Ease
  4. Best Practices for Using Dimmable G4 LED Bulbs
  5. Top Recommendations for Dimmable G4 LED Bulbs

Overview

1. Comparison winner
YUANHENLIZ G4 LED Bulbs 2W, Warm White, 6 Pack
Our rating
9,6
very good
YUANHENLIZ G4 LED Bulbs 2W, Warm White, 6 PackAvailable immediately
2. Best value
G4 LED Bulbs 2W Dimmable, AC/DC 12-24V, Natural White 4000K, 250lm, Pack of 10
Our rating
9,6
very good
G4 LED Bulbs 2W Dimmable, AC/DC 12-24V, Natural White 4000K, 250lm, Pack of 10Available immediately
3. Bestseller
Tkhetiana G4 LED Bulb 2W, Warm White 3000K
Our rating
9,6
very good
Tkhetiana G4 LED Bulb 2W, Warm White 3000KAvailable immediately
I-SHUNFA G4 LED Dimmable Bulbs, Warm White 3000K, AC/DC 12-24V, 1.2W, 125lm, Pack of 10
Our rating
9,6
very good
I-SHUNFA G4 LED Dimmable Bulbs, Warm White 3000K, AC/DC 12-24V, 1.2W, 125lm, Pack of 10Available immediately
kuyamilay G4 3W LED Bulbs, Dimmable, Warm White, 12-24V AC/DC, G4 Bi-Pin Base, 4-Pack
Our rating
9,6
very good
kuyamilay G4 3W LED Bulbs, Dimmable, Warm White, 12-24V AC/DC, G4 Bi-Pin Base, 4-PackAvailable immediately
10pcs G4 LED Dimmable Bulbs 2W Bi Pin
Our rating
9,6
very good
10pcs G4 LED Dimmable Bulbs 2W Bi PinAvailable immediately
G4 LED 1.5W Blue Dimmable Bulb 12V Pack of 3
Our rating
9,6
very good
G4 LED 1.5W Blue Dimmable Bulb 12V Pack of 3Available immediately
I-SHUNFA G4 LED Dimmable Bulbs, 12–24V AC/DC, Warm White 2700K, 1.2W, 125lm (12–15W Halogen Equivalent), Pack of 10
Our rating
9,5
very good
I-SHUNFA G4 LED Dimmable Bulbs, 12–24V AC/DC, Warm White 2700K, 1.2W, 125lm (12–15W Halogen Equivalent), Pack of 10Available immediately
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Our tests and comparisons are objective and fact-based. Manufacturers have no influence on the ratings. We aim to provide greater transparency in the market, thereby promoting product quality.
Method-driven
In our tests & comparison tables, we only include products that meet our minimum standards. This ensures that you can find the perfect product for your needs from a wide selection.
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