LED Tube Light 4 Feet – Energy-Saving Glass LED Tube Light
Looking for a reliable T8 tube LED light 4 feet factory for your lighting business? Sunled is an LED tube light factory offering customizable LED tube lighting solutions for distributors, wholesalers, importers, contractors and commercial lighting projects.
This 18W 4ft T8 LED tube light features high-brightness SMD2835 LED chips and an AC 85–265V input voltage range. With a rated lifespan of up to 50,000 hours and a rigid glass tube design, it is designed for general lighting applications in commercial buildings, offices, public facilities, factories, warehouses and residential spaces.
Compared with traditional T8 fluorescent lamps, this energy-saving LED tube can help reduce electricity consumption by up to 69%, depending on the comparison conditions. Sunled supports OEM and ODM customization to help meet different product specifications, market requirements and bulk purchasing needs.
Tube LED T8 – Product Specifications
| Parameter | Specification |
|---|---|
| Brand | Sunled |
| Power | 18W |
| Nominal Length | 1.2m/4ft |
| Input Voltage | AC 85–265V |
| LED Chip | SMD2835 |
| Color Rendering Index | CRI 80 |
| Rated Lifespan | Up to 50,000 hours |
| Energy Saving | Up to 69% compared with T8 fluorescent lamps, subject to comparison conditions |
| Customization | OEM and ODM support available |
| Applications | Commercial, office, public, industrial, warehouse, residential and decorative lighting |
Key Features of Sunled LED T8 Tubes
1. High Brightness with SMD2835 LED Chips
This 18W LED T8 tube uses SMD2835 LED chips to provide bright, practical illumination for general lighting applications. With a CRI of 80, it is suitable for many offices, commercial interiors, public facilities and industrial environments.
For project-based purchasing, contact Sunled to discuss the available lighting specifications and customization options for your market.
2. Energy-Saving LED Tube Lighting
Upgrade suitable fluorescent lighting systems with energy-efficient LED T8 tubes. Depending on the wattage of the original fluorescent lamp and the operating conditions, this LED tube may help reduce lighting energy consumption by up to 71%.
Lower electricity consumption can help businesses manage operating costs in spaces where lights are used for extended periods, including offices, retail environments, factories and warehouses.
Actual savings depend on the original lamp, fixture efficiency, operating hours and installation configuration. The maximum energy-saving claim should be supported by comparable test conditions.
3. Wide Input Voltage: AC 85–265V
The wide AC 85–265V input range supports use across a variety of electrical environments within the product’s rated specifications. This is useful for lighting suppliers and project buyers serving different markets.
Always verify the local electrical requirements and the product’s technical documentation before installation.
4. Standard G13 Base for Suitable T8 Fixtures
The G13 base is commonly used on T8 linear lamps. This makes the product a potential replacement option for compatible fluorescent tube installations.
However, a matching G13 base does not automatically guarantee electrical compatibility. Before replacing an existing tube, check the fixture, ballast type, wiring arrangement and the LED tube manufacturer’s installation instructions.
5. Rigid Glass Tube – Designed to Resist Bending
The glass tube construction helps maintain a straight, rigid profile during normal handling and use. It is suitable for applications requiring a conventional linear tube design.
As glass is more fragile than some plastic materials, appropriate packaging, careful transportation and proper installation are recommended.
6. Long Rated Lifespan of Up to 50,000 Hours
With a rated lifespan of up to 50,000 hours, this LED T8 tube can help reduce replacement frequency and routine maintenance compared with shorter-life lighting products.
Actual service life depends on ambient temperature, driver quality, electrical conditions and operating patterns. For large projects, buyers should review available test data and warranty terms.
7. Convenient Replacement and Installation Options
This LED T8 tube is intended for suitable lighting replacement projects. Depending on the exact model and existing fixture, installation may be possible without rewiring or may require wiring modifications.
Some LED tubes are compatible with specific existing ballasts, while others require a ballast-bypass or direct-wire installation. Confirm the product’s wiring diagram before installation. Any electrical rewiring should be performed by a qualified professional with the power disconnected.
What Is an LED T8 Tube?
An LED T8 tube is a linear LED light source designed in the T8 tube format. It uses LED chips and an electronic driver to produce light instead of the fluorescent discharge technology used by traditional fluorescent tubes.
LED T8 tubes are commonly used in offices, retail stores, schools, public buildings, factories, warehouses and residential utility spaces. They are available in different wattages, lengths, color temperatures, tube materials, base types and wiring configurations.
Compared with traditional fluorescent tubes, suitable LED alternatives can provide lower energy consumption, a long rated lifespan and reduced maintenance requirements. Actual performance depends on the product specification and installation conditions.
When selecting an LED T8 tube, check the wattage, length, G13 base, input voltage, lumen output, CRI, color temperature and ballast or wiring compatibility.
Applications of LED T8 Tubes

Commercial and Office Spaces
Suitable for offices, meeting rooms, retail stores, supermarkets and other commercial interiors that require dependable general illumination.
Public Facilities and Municipal Buildings
A potential lighting option for public service buildings, corridors, community facilities and other shared indoor environments, subject to project lighting and electrical requirements.
Industrial and Warehouse Environments
Suitable for general lighting in factories, workshops, storage areas and warehouses where long operating hours make energy efficiency and maintenance planning important.
Home and Decorative Lighting
Can be used in suitable kitchens, garages, utility rooms, storage areas and other residential spaces requiring linear lighting.
Why Choose Sunled as Your LED Tube Light Supplier?
Sunled supplies LED tube lighting products and provides customization support for B2B customers, including distributors, wholesalers, importers, contractors and lighting brands.

We work with customers to discuss suitable product configurations based on their target market and project requirements.
· OEM and ODM Support: Discuss custom branding, packaging and product configurations.
· Flexible Specifications: Ask about available wattages, tube lengths, color temperatures and other options.
· B2B Supply Support: Share your application, target market and expected order quantity.
· Technical Specification Confirmation: Confirm base type, electrical configuration and installation requirements before ordering.
· Project-Based Solutions: Discuss LED tube options for commercial, industrial, public and residential lighting.
Contact Sunled to discuss your requirements and request a quotation for your LED T8 tube order.
Frequently Asked Questions
1. What is the power rating of this LED T8 tube?
This model is rated at 18W and measures 1.2m (1200mm) in length.
2. What base does this LED T8 tube use?
This model uses a G13 base. Confirm the holder type and electrical compatibility of your existing fixture before installation.
3. What input voltage does it support?
The specified input voltage range is AC 85–265V. Always check the product label and technical documentation before installation.
4. Which LED chips are used?
This model uses SMD2835 LED chips and has a CRI of 80.
5. How long does the LED T8 tube last?
The specified rated lifespan is up to 50,000 hours. Actual service life depends on operating conditions and component performance.
6. Can this LED tube replace a fluorescent T8 tube directly?
It may replace a compatible T8 fluorescent tube, but compatibility depends on the base, ballast, fixture and wiring configuration. Some installations require rewiring. Follow the product-specific installation instructions.
7. Does Sunled offer customized LED T8 tubes?
Yes. Sunled supports OEM and ODM customization. Contact us with your required specifications, target market, packaging needs and expected order quantity to discuss available options.
8. Where can LED T8 tubes be used?
Common applications include commercial buildings, offices, public facilities, factories, warehouses, residential utility spaces and other suitable indoor lighting environments.
Request a Quote for Custom LED T8 Tubes
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