When selecting a 400 watt sodium light, stability, brightness, and compatibility with E39 mogul bases are critical. The following selections cover commercial outdoor lighting, parking lot applications, and plant-growth uses. Each option provides high brightness, long life, and a clear 2100K color temperature typical of 400W HPS bulbs. Compare features, lumen output, and longevity to find the best fit for your lighting or horticulture needs.
| Product | Lumens | Life Hours | Base | |
|---|---|---|---|---|
| Sunlite 03636-SU LU400/MOG | 48,000 | 20,000 | Mogul (E39) | 2100K |
| GRUOTVSZAK LU400/MOG | 50,000 | 24,000 | Mogul (E39) | 2100K |
| LEDVANCE Sylvania 400W Plantastar | 50,000 | 24,000 | E39 | 2100K |
| GE Lighting 400W ED18 | 51,000 | 24,000 | Mogul (E39) | 2100K |
| iPower 400W HPS Grow Light | 55,000 | Unknown | E39 | 2100K |
Sunlite LU400/MOG High Pressure Sodium Bulb

Sunlite’s 400W HPS bulb uses a Mogul base (E39) and ED18 shape, designed for high-intensity outdoor fixtures. It emits about 48,000 lumens at 2100K with a clear glass finish, suitable for street lighting, parking lots, and perimeter lighting. Its ANSI code is S51, aligning with many existing ballasts. Typical life is around 20,000 hours, making it a practical long-term replacement for HID luminaires in commercial settings.
GRUOTVSZAK LU400/MOG 400W HPS Bulb

GRUOTVSZAK’s LU400/MOG bulb delivers about 50,000 lumens with a 2100K color temperature. It features a Mogul base (E39) and is designed for ANSI S51 ballast compatibility, offering a long life of over 24,000 hours. This bulb targets high-intensity lighting for parking lots, stadium perimeters, and other large outdoor areas where bright, broad-spectrum lighting is needed.
LEDVANCE Sylvania 400W Plantastar HID Bulb

LEDVANCE Sylvania’s Plantastar HID bulb is optimized for plant growth while delivering robust outdoor performance. With 50,000 lumens at 2100K and an E39 mogul base, this bulb is compatible with standard S51 ballasts. It offers a practical 24,000-hour lifespan and is well-suited for greenhouse and horticultural applications as well as outdoor security lighting where a broad spectrum is beneficial for plants nearby.
GE Lighting 400W HPS HID Bulb

GE’s 400W HID bulb is an ED18 shape with a Mogul base (E39) and a clear glass finish. It supports ANSI S51 on compatible ballasts, delivering around 51,000 lumens at 2100K. The bulb’s long service life is rated near 24,000 hours, and it is designed for enclosed fixtures where high brightness is required, including street and outdoor area lighting with a warm, welcoming glow.
iPower 400W HPS Grow Light Bulb (2 Pack)

iPower’s 400W HPS bulbs are designed for professional hydroponic cultivation and horticultural lighting. With 55,000 lumens at 2100K and an E39 base, these bulbs are compatible with electronic and magnetic ballasts. They emphasize a high red/orange spectrum to enhance flowering and fruiting, making them suitable for grow operations and greenhouse installations seeking strong canopy yields.
GoodBulb 400W HPS HID Bulb

GoodBulb’s 400W HPS bulbs use a Mogul base (E39) and deliver 2,000K warm white light with a clear finish. Rated around 24,000 hours, these bulbs are positioned as a reliable option for industrial and outdoor lighting applications, including street lighting, parking areas, and security lighting where a warm, inviting glow is preferred.
Buying Guide: Key Purchase Considerations
Lumens and efficiency: For outdoor and plant-growth applications, higher lumens (around 48,000–55,000) ensure bright coverage. Consider ballast compatibility and ANSI codes (S51) to guarantee proper operation with existing fixtures.
Color temperature and spectrum: 2100K is standard for warm, high-contrast light that minimizes glare and helps with plant growth in horticulture. For mixed outdoor and garden-adjacent uses, 2100K provides a balanced warm tone.
Life expectancy: Look for bulbs rated around 20,000–24,000 hours or more to minimize replacement frequency in hard-to-reach fixtures.
Base compatibility: All listed options use Mogul base (E39), a common standard for 400W HID lamps. Confirm your fixture’s base and ballast compatibility before purchasing.
Application fit: Outdoor areas like parking lots, street borders, and perimeter lighting benefit from high brightness and robust construction; greenhouse and horticultural uses may prioritize spectrum optimized for plant growth (Plantastar variants). Always verify ballast type (electronic or magnetic) and enclosure requirements.
Cost and availability: Compare wattage, lumen output, and life hours across brands to estimate long-term maintenance costs. Availability of 2-packs or multi-packs can reduce per-bulb purchase costs and downtime.