Best 4-Pin LED Bulbs of 2025

The Bonlux 2D 4Pin LED offers a reliable lighting solution with its 18W power, replacing traditional 21W and 28W CFLs while saving up to 88% on energy costs. You should ensure to remove the ballast before installation to avoid flickering issues. This square bulb features a high colour rendering index (CRI) of 80, which means it provides vivid colours and accurately restores the true shades of your space. Additionally, with a wide beam angle of 180 degrees, it illuminates larger areas effectively, making it perfect for various settings like bathrooms and restaurants.

The Inspired Essentials GR10Q Bulb is perfect for those who are energy-conscious and looking to save on costs without sacrificing brightness. Its user-friendly design features a GR10Q pin base, making installation and replacement a breeze in compatible fixtures. This bulb is ideal for both homes and offices, providing bright lighting for extended periods, which is particularly useful for workspaces or living areas that require consistent illumination.

The Lustaled 2D LED Bulb provides a warm 3000K light, creating a comforting atmosphere in your space. Its energy-efficient design uses just 18W, saving you over 88% in energy costs compared to traditional bulbs, which means less frequent replacements and more savings for you. The bulb's wide 180-degree beam angle ensures even illumination throughout the room, making it ideal for areas like bathrooms and dining rooms. Additionally, it operates flicker-free, enhancing visual comfort and bringing out the natural colours in your environment.

The Eveready 2D Lamp is a powerful 28W energy-saving lamp designed to illuminate your space efficiently. Its LED technology ensures bright lighting while consuming less energy, which can help reduce your electricity bills. The 4-pin design makes installation straightforward, allowing you to replace old lamps easily. Additionally, its durable construction ensures a long lifespan, so you won't have to worry about frequent replacements. Overall, this lamp combines practicality with efficiency, making it a smart choice for any room.

The Bonlux GR10q LED Bulb is a highly efficient 18W light source that replaces traditional CFLs rated between 28W and 36W, helping you save energy by up to 50%. It's essential to note that this LED bulb is not compatible with fluorescent ballasts, so you'll need to bypass it during installation. With an impressive lifespan of 30,000 hours, you can enjoy long-lasting illumination without frequent replacements. This bulb emits 1800 lumens of bright, cold white light at 6500K, making it ideal for brightening up your living room or bedroom.

The TobeBright BC3 LED Bulbs are designed to be energy efficient, saving you up to 90% on your electricity bills while providing high brightness. With a lifespan of up to 25,000 hours, you won’t need to replace them often, reducing hassle and maintenance costs. These bulbs offer outstanding performance with a brightness of 600 lumens and a colour rendering index of over 85, ensuring natural light quality. Additionally, the dual colour temperature range lets you choose between warm and cool light, making it perfect for various settings and activities.

The GOHDLAMP G9 LED Bulbs offer easy installation with their standard base and compact size, making them a convenient replacement for halogen bulbs. You can save energy significantly, as these bulbs consume only 4 watts while providing warm white light equivalent to a 40W halogen bulb, reducing your energy bills by up to 90%. Their ceramic base ensures excellent heat dissipation, enhancing safety and extending the bulb's lifespan. Additionally, you will appreciate the smooth dimming feature, allowing you to adjust the brightness from 5% to 100% to match your mood or decor.