4u 40w
Overview
Product sourcing insights & recommendations
The "4U 40W" refers to a high-output energy-saving lamp characterized by its four-tube U-shape design, commonly used in large industrial or commercial spaces like supermarkets and warehouses. The market for these products in 2026 is rapidly evolving, with a decisive shift from traditional CFL (Compact Fluorescent) technology toward high-efficiency LED alternatives driven by tightening energy regulations like California Title 24-2025 Made-In-ChinaSimporter.
Market Trends & Insights (2026)
* Market Scale: The LED light bulb market is projected to reach approximately $124.24 billion by the end of 2026, growing at a steady CAGR of 4.9% SimporterBusinessresearchinsights.
* Technological Transition: While traditional 4U CFLs (8,000-hour lifespan) are still available, they are being phased out due to mercury content in favor of 4U LED versions that offer higher luminous flux (up to 3,400 lumens) and broader voltage compatibility (90-265V) Made-In-ChinaAcdc.
* Key Consumer Shifts: Modern buyers are prioritizing Human-Centric Lighting and Circular Design (longevity and repairability) over raw wattage. Smart home integration (AI score: 93) is now a primary demand factor for commercial lighting solutions Simporter.
Core Product Comparison
| Feature | CFL Version (Traditional) | LED Version (Modern) |
|---|---|---|
| Output | High light output (Tri-phosphor) | 3,400 Lumens |
| Lifespan | 8,000 Hours | 25,000+ Hours |
| Eco-Impact | Contains mercury; high disposal cost | Mercury-free; recyclable |
| Best For | Budget-sensitive large-scale replacements | Long-term commercial & smart installations |
I have identified 30+ products and verified suppliers specializing in these specifications. The latest pricing for bulk orders ranges from $1.85 to $5.98 per piece, depending on the technology and customization options. Detailed specifications and sourcing files are provided below.
Here are the technical and market insights for the 4U 40W lamps. You can continue by:
4u 40w Energy Saving Lamp Bulb Led Cfl
Products · Top picks & verified manufacturers
Energy Saving Lamp 4U 5U 6U 40W 50W 60W White 6500K CFL Corn LED Light E27 E40 B22 SKD CKD Parts Raw Material LED Bulb
Shenzhen Qihong Technology Co., Limited🇨🇳CN6 yrs
16W 20W 24W 30W 36W 40W 50W 70W 3u 4 Feet 4u E27 Bulb Fluorescent Led Energy Saving Light Lamp U Shape Cfl
Zhongshan Infelite Co., Ltd🇨🇳CN14 yrs
Factory Hot Sale Spiral Energy-saving Lamp 2u 3u 4u LED Bulb Light Glass E27 B22 Daylight Economic Fluorescent CFL-U 32W 45W
Hubei Derun Lighting Appliance Co., Ltd.verified🇨🇳CN22 yrs
LED Lamp Bulb Light Lighting Corn Shape E27 Glass Tube U Style Model 3U 4U 5U 5W 7W 9W 12W 16W 20W 24W 32W 40W 50W 3000K 6000K
Shenzhen Mingzao Intelligent Technology Co., Ltd.🇨🇳CN2 yrs
ZRACO Hot Selling Lamp E27 B22 E14 3w 5w 7w 9w 12w 16w 20w 24w 32w 40w 50w Energy Saving Light SMD U Shape CFL Led Corn Bulb.
Changsha Zraco Tech Co., Ltd.🇨🇳CN3 yrs
Wholesale Cheap High Power Lamp E27 B22 3w 5w 7w 9w 12w 18w 24w 32w Energy Saving Light SMD U/Spiral Shape CFL Led Corn Bulb
Guangzhou Xinyao Lighting Co., Ltd.🇨🇳CN3 yrs
Wholesale Cheap High Power Lamp E27 B22 3w 5w 7w 9w 12w 18w 24w 32w Energy Saving Light SMD U/Spiral Shape CFL Led Corn Bulb
Changsha XDCQ Technology Co., Ltd.🇨🇳CN6 yrs
Compact Fluorescent Lamp Saving Light Saving Bulb Wholesale Price 2U 11W 15w 18w 20w E27 B22 6500K 3000K AC 110V Ac220venergy 60
Shaoxing Shangyu Ground Lighting Appliance Co., Ltd.🇨🇳CN18 yrs
Hot Sales Energy Saving Lights 2U 3U 4U T3 T4 T5 11W 15W 18W 20W 25W 32W 45W E27 B22 110V 120V 220V 230V CFL Lamp Bulbs , CFL-U
Hubei Derun Lighting Appliance Co., Ltd.verified🇨🇳CN9 yrs
WOOJONG Daylight Lamp Half Spiral Cfl 4u 75w Energy Saving Lamp Cfl 85 Watt E40 Focos Ahorradores
Hangzhou Yuzhong Gaohong Lighting Electrical Equipment Co., Ltd.verified🇨🇳CN7 yrs
High Power Cfl 4U T6 E40 65w Energy Saving Lamp
CFL U Type Energy Saving Lamp 220V E27 Fluorescent Light Bulbs
Print 40W Spiral Shape and CFL Principle Lamp Halogen Real 17-18W Energy Saving Lamp
Yiwu Jiehui Lighting Electrical Appliance Co., Ltd.🇨🇳CN12 yrs
6000h E27 Halogen Glass Tube 18w 40w White Full Spiral Bulb Energy Saving Lamp
Shenyang Shuangyi Illumination Electrical Appliance Co., Ltd.🇨🇳CN15 yrs
3U 20W 40W Energy Saving Light Uv Bulb 220V E27 Black Color
Changsha Neon Science And Technology Co., Ltd.🇨🇳CN9 yrs
4u Energy Saving Lamp
Wholesale Spiral Energy Saving Light40-85W/energy Saver Bulb Sused Energy Bulb Cfl Light Bulbs
Yiwu Jinmin Electric Appliance Co., Ltd.verified🇨🇳CN13 yrs
Foshan U Shape Led Lotus Energy Saving Fluorescent Corn Light E27 B22 E40 B22 2U 3U 4U 5U 6U Led Spiral Lamp
Foshan Sunway Lighting Co., Ltd.🇨🇳CN6 yrs
Energy Saving and Fluorescent Dc 12v Led Energy Saving Lamp Bulb
Guangzhou Anern Energy Technology Co., Ltd.verified🇨🇳CN17 yrs
40W Led Light Bulb Corn Lights energy saving lamp 40 watt 220 volt 360 degree
Compact Fluorescent Lamp Triple Tube Gx24q PLT Lamps 15W 18W 26W 36W 40W 42W
Shaoxing Deplux Lighting Co., Ltd.🇨🇳CN16 yrs
CFL Lamp E27 4U 50W 6000K Daylight Alert 80lm/W 8000 Hours CRI 80 AC 220V 2-Year Warranty Plastic
Winner Lighting Appliance Co., Ltd.🇺🇸US1 yr
Warm Bulbs Led Light 24v Energy Saving 5W 10W 15W 20W 30W 40W 50W LED Best Light Bulb Lamp
Zhongshan Zhenniu Lighting Co., Ltd.🇨🇳CN4 yrs
LED Energy Saving Lamp Semi-spiral U-shaped 11w 15w 20w 25w Residential Indoor Use Environmental protection T4 Base
Ningbo Hanlux Lighting Co.,ltdverified🇨🇳CN13 yrs
Wholesale 2u 3u 4u Pl 13w 18w 26w 32w 42w 220v 2pin 4pin Insertion Bulb Tube Table Lamp Energy-saving Fluorescent Lamp
Lianyungang Huayao Lighting Equipment Co., Ltd.verified🇨🇳CN10 yrs
40W Super Bright E27 LED Bulb 110V-220V Dual Voltage | Energy Saving Lamp for Home & Commercial Use | Bombilla LED Focos
Zhongshan Suncen Lighting Co., Ltd.🇨🇳CN2 yrs
3U 4U 5U Energy Saving Lamp Led Corn Bulb
Weihai Suntown Lighting Co.,ltd.🇨🇳CN13 yrs
Hot Sale Factory Direct High Quality Spiral Lamp Energy Saving Lamp Glass Tube Fluorescent Lamp 85w 105w E27 E40 Lighting Bulbs
Xiamen Royalslite Electronics Co., Ltd.🇨🇳CN13 yrsHot Sale Factory Direct High Quality Spiral Lamp Energy Saving Lamp Glass Tube Fluorescent Lamp 85w 105w E27 E40 Lighting Bulbs
E27 10W High Luminous CFL Bulbs 6500K Energy Saving & Flicker-Free Compatible for Office & Home Lighting Light-Emitting Diode
Related Searches
Explore more sourcing topics & related categories
Sources & References
25 sources cited · Verified industry data & reports
Ecomax 4U Fluorescent Bulb E27 40W 2700K
Olde Mill Inn
ECOMAX compact fluorescent light (CFL) bulb, type 4U, E27 base, warm light (2700k), 2200 lumens, 6000-hour lifespan, for indoor use. Pack of 1.
4U 40W Energy Saving Lamp
Made-in-China.com
4U 40W Energy Saving Lamp ; Frequency · 50 to 60Hz ; Tube diameter · 12mm ; Optional color temperature · 2, 700 - 6, 400K ; Average lifespan · 8, 000 hours ; Optional ...
YQFXGGHFG Home Bulbs 20pcs/lot AC85-265V 2835SMD Led ...
Amazon.com
... 4U Type Home Corn Lamp Lighting Household Lamp (Color : Cold White, Size : E27-u 40w) - Amazon ... Product summary presents key product information. Shop Nautilus.
4U Compact Fluorescent Bulb Light
Jinhui Lighting
The 4U compact fluorescent bulb light consists of a high performance electronic ballast and a 4U shaped trichromatic fluorescent lamp.
HP-4U-40W
ACDC Dynamics Online
4U LED DAYLIGHT LAMP Fitting material/colour: Aluminium + PC + PBT. Dimmable Lumens Power Factor Estimated Life Span. Can be installed in any suitable lamp ...
24W Fluorescent Lamp 4u Energy Saving Bulb
Made-in-China.com
4u Energy Saving Bulb, Product Features: Triphosphor Powder Coating; Type: 4U Wattage: 18W, 40W, 45W, Voltage: 110V-230V/50Hz-60Hz Cap: Temp: 2700K/6500K Life: ...