Best Cobra Head LED Retrofit Kits for Outdoor Street Lighting
This article highlights top cobra head LED retrofit kits that fit E39 Mogul bases and other common street lighting fixtures. Each option focuses on energy efficiency, light output, installation versatility, and durability for outdoor applications such as parking lots, roadways, and campuses. The selections below are designed to help facilities reduce maintenance costs while improving illumination quality and safety.
| Product | Brand | Light Output | Base | Voltage |
|---|---|---|---|---|
| NUOGUAN 240W LED Shoebox Retrofit Kit | NUOGUAN | 33,600 Lumen | E39 Mogul | AC100-277V |
| OSTEK LED Shoebox Retrofit Kits 75W/95W/115W | OSTEK | Up to 16,100 Lumen (75W); selectable | E39 Mogul | AC100-277V |
| NUOGUAN 480V 240W Shoebox Retrofit Kit | NUOGUAN | 33,600 Lumen | E39 Mogul | AC200-480V |
| 2Pcs 240W LED Parking Lot Retrofit Kit | NUOGUAN | 34,800 Lumen | E39 Mogul | AC100-277V |
| NUOGUAN 150W LED Shoebox Retrofit Kit | NUOGUAN | 21,750 Lumen | E39 Mogul | AC100-277V |
NUOGUAN 240W LED Shoebox Retrofit Kit
NUOGUAN’s 240W LED Shoebox Retrofit Kit delivers up to 33,600 lumens with a 5000K daylight spectrum and 80+ CRI. It uses 145 lm/W efficiency and features a 180° adjustable U-shaped stand for horizontal or vertical mounting. The E39 Mogul base makes it compatible with most older cobra head fixtures, and the kit includes a modular design for easier future maintenance. The unit emphasizes solid heat dissipation through aluminum fin radiators and a high-speed fan, aiming for a long service life up to 500,000 hours.
OSTEK LED Shoebox Retrofit Kits 75W/95W/115W
OSTEK’s retrofit options offer power-selectable outputs (75W, 95W, 115W) with a 5,000K color temperature and 140 lm/W efficacy. The rotatable E39 Mogul base supports retrofitting a broad range of cobra head fixtures and other outdoor luminaires. The kit uses an UL-listed driver and an aluminum heat sink for reliable performance, with a design focus on reducing energy use by up to 90% compared with legacy HID systems. The RGB of mounting orientations supports horizontal and vertical installations.
NUOGUAN 480V 240W Shoebox Retrofit Kit
This NUOGUAN kit is designed for 200–480V operation, still delivering 33,600 lumens with 145 lm/W and 5000K daylight. It uses an E39 Mogul base and features aluminum radiators, a high-speed fan, and a hollow design to promote effective cooling. The unit targets long lifespans up to 500,000 hours and provides easy retrofits for outdoor tennis courts, parking lots, and other cobra head applications where high lumen output and durable construction are essential.
NUOGUAN 2Pcs 240W LED Parking Lot Retrofit Kit
This two-pack retrofit kit uses a separate power supply design and a wide 120° beam angle to illuminate large areas effectively. With 34,800 lumens at 240W, it replaces 1000W HPS/MH fixtures and promises a 90% reduction in energy usage. It features a durable aluminum heat sink, an IP67-rated driver assembly for reliability in wet environments, and an E39 Mogul base compatible with many cobra head fixtures. The installation supports horizontal and vertical mounting with a 180° adjustable bracket.
NUOGUAN 150W LED Shoebox Retrofit Kit
NUOGUAN’s 150W option provides up to 21,750 lumens at 5000K with 145 lm/W efficiency and an 80+ CRI rating. The kit uses E39 Mogul base and a robust heat-dissipating body to support long service life. It is designed for straightforward retrofits of cobra head fixtures, with a 180° adjustable bracket for versatile mounting and a wide beam angle to cover large areas efficiently.
Buying Guide: Key Considerations for Cobra Head LED Retrofit Kits
- Compatibility: Confirm the base type (E39 Mogul) and fixture compatibility with your cobra head streetlights and existing ballast or driver configurations.
- Brightness and Efficiency: Look for lumen output in the 20k–33k range for parking lots and roadways and pay attention to lumens-per-watt values (aim for 140 lm/W or higher for best efficiency).
- Color Temperature and CRI: Choose 5000K for daylight-style illumination and CRI 80+ for accurate color rendering, which helps with safety and recognition of signs and pedestrians.
- Electrical Range: Consider voltage compatibility (AC100-277V is common; some models also support 200–480V). Ensure drivers are UL-rated and appropriate for outdoor use.
- Heat Management: Effective cooling (aluminum heatsinks, high-speed fans) extends life to hundreds of thousands of hours and reduces maintenance.
- Installation Flexibility: Look for 180° adjustable brackets and both horizontal and vertical mounting options to fit existing fixtures and mounting lines.
- Maintenance and Longevity: Favor modular designs that simplify future LED or driver replacements without replacing the entire fixture.
- IP and DLC/ETL Listings: DLC or ETL listings indicate compatibility with energy rebates and standardized performance, while IP ratings matter for wet outdoor environments.
- Maintenance Costs: Assess total cost of ownership by considering lamp replacement intervals, energy savings, and potential downtime.
- Warranty and Support: Verify warranty duration and manufacturer support for field service and replacements.