Best 400 Watt Hps Ballast

Peter | 26-12-2025

With so many Best 400 Watt Hps Ballast brands on the market – from big names like iPower,TOPHORT,Sunlite,Plantmax to smaller companies – finding the right product can be a real challenge. But we’re here to make your search easier.

We carefully researched and tested a vast range of Best 400 Watt Hps Ballast to help you discover the top contenders that match different needs and preferences. Altogether, we spent over 100 hours evaluating numerous products first-hand.

Our #1 best Best 400 Watt Hps Ballast is iPower Best 400 Watt Hps Ballast, based on its stellar performance across all our tests. Below you’ll find more of our top-rated recommendations for great Best 400 Watt Hps Ballast options currently available. Make sure to check out our buying guide too – it’s full of expert advice for choosing a Best 400 Watt Hps Ballast tailored to exactly what you’re looking for. With our help guiding your decision, finding your perfect fit will be a breeze!

Editor's Choice
iPower 400W Ballast, Digital Dimmable Electronic Horticulture Ballast, Suit for Hydroponic HPS MH
iPower 400W Ballast, Digital Dimmable Electronic Horticulture Ballast, Suit for Hydroponic HPS MH
Premium Pick
TOPHORT 400 Watts Digital Dimmable Electronic Ballast for HPS MH Grow Light Bulb Lamp (400W, Blue)
TOPHORT 400 Watts Digital Dimmable Electronic Ballast for HPS MH Grow Light Bulb Lamp (400W, Blue)
Budget Pick
Sunlite 03636-SU LU400/MOG High Pressure Sodium Light Bulb, 400 Watts, ED18/MOG, Mogul Base (E39),
Sunlite 03636-SU LU400/MOG High Pressure Sodium Light Bulb, 400 Watts, ED18/MOG, Mogul Base (E39),

Top 10 Best 400 Watt Hps Ballast

We researched and compared the top products in the Best 400 Watt Hps Ballast category to provide you with these recommendations.

1. iPower 400W Ballast, Digital Dimmable Electronic Horticulture Ballast, Suit for Hydroponic HPS MH

  • 2023 New Technology: Built-in cooling fan and graduating fin designed to minimize ballast temperature. Advanced protection against short circuit, power surge, ignition failure, end-of bulb-life technology.
  • Good compatibility: Automatically converts between HPS and MH light bulbs by micro-chip programming. Fast lamp ignition by lighting up the bulbs within 1-2 mins max. Stable voltage output ensures flicker free light.
  • Operating parameter: Support dual voltage input 120V/240V. Dimmable options: 50%, 75%, 100%. Watt option: 150w/250w/400w/Super lumens (110%)
  • More efficient: High frequency output results in less power loss, 30% more lumens than magnetic ballasts for improved yields.
  • Package included: 1 x 400-watt digital dimmable electronic ballast, 1 x heavy-duty power cord, 1 x operating manual.

2. TOPHORT 400 Watts Digital Dimmable Electronic Ballast for HPS MH Grow Light Bulb Lamp (400W, Blue)

TOPHORT 400 Watts Digital Dimmable Electronic Ballast for HPS MH Grow Light Bulb Lamp (400W, Blue)
9.5

Tophort

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  • Specification:Rating input current 2.89,Start current 0.96,Operating temperature -20~50,Waterproof level IP65, Net weight <3 KG.
  • Suitable for MH and HPS:TOPHORT electronic dimmable ballast compatible with both MH and HPS bulbs,120V and 240V power supplies.
  • Stable Output Voltage:High-frequency output results in less power loss (50/60Hz Frequency).
  • Super-Safety:TOPHORT digital ballasts are tuned for minimal total harmonic distortion (THD%) 99% Power factors replaceable outset fuse by input terminal for short circuit protection short circuit protection by automatic power shut off for ultimate safety fast lamp ignition by lighting up the bulbs within 1-3mins max.
  • Guarantee Assurance:Our TOPHORT HPS grow light ballasts are UL Certified and come with a 2-year warranty against manufacturer defects. If your order is more than one month, please don't contact Amazon, contact the seller directly, we will provide you with warranty service.

3. Sunlite 03636-SU LU400/MOG High Pressure Sodium Light Bulb, 400 Watts, ED18/MOG, Mogul Base (E39),

Sunlite 03636-SU LU400/MOG High Pressure Sodium Light Bulb, 400 Watts, ED18/MOG, Mogul Base (E39),
9.1

Sunlite

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  • HIGH PRESSURE SODIUM - Sunlite High Pressure Sodium lamps are a long-life replacement for your existing HID fixtures. Standard ED18 shape.
  • HIGH INTENSITY DISCHARGE - This 400 watt bulb puts out a bright 48,000 lumens of light. Color temperature is 2100K. Clear glass bulb.
  • MOGUL BASE - Standard mogul base (E39). Use in street lights, parking lot fixtures, perimeter lighting, and other commercial and industrial lighting applications. Bulb measurements 2.4 inches diameter, 9.4 inches tall.
  • LONG LIFE - This bulb features a long 20,000 hour average lifespan.
  • ANSI CODE S51 - This HPS bulb is for use in S51 ballast fixtures.

4. iPower 400W Ballast, for Hydroponic HPS MH Grow Light System, Digital Dimmable Electronic

  • 2023 New Technology: Built-in cooling fan and graduating fin designed to minimize ballast temperature. Advanced protection against short circuit, power surge, ignition failure, end-of bulb-life technology.
  • Good compatibility: Automatically converts between HPS and MH light bulbs by micro-chip programming. Fast lamp ignition by lighting up the bulbs within 1-2 mins max. Stable voltage output ensures flicker free light.
  • Operating parameter: Support dual voltage input 120V/240V. Dimmable options: 50%, 75%, 100%. Watt option: 150w/250w/400w/Super lumens (110%)
  • More efficient: High frequency output results in less power loss, 30% more lumens than magnetic ballasts for improved yields.
  • Package included: 1 x 400-watt digital dimmable electronic ballast, 1 x heavy-duty power cord, 1 x operating manual.

5. EnergyStation 1000W Ballast, for Hydroponic HPS MH Grow Light System, Digital Dimmable Electronic

EnergyStation 1000W Ballast, for Hydroponic HPS MH Grow Light System, Digital Dimmable Electronic
8.7

Plantmax

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  • [Maximize Heat Dissipation] The 1000W ballast features a built-in cooling fan and a graduated fin design to effectively reduce operating temperature. Engineered with advanced protection mechanisms, it safeguards against short circuits, power surges, ignition failures, and end-of-bulb-life conditions, ensuring reliable performance and extended equipment lifespan.
  • [Compatibility] Designed for use with both Metal Halide (MH) and High-Pressure Sodium (HPS) lamps, offering fast and reliable lamp ignition for efficient performance.
  • [Input voltage] 120/208/240V with super lumens output at 110%. Dimmable settings include 50%, 75%, and 100%, operating at an input frequency of 50/60Hz.
  • 3 Year Limited Warranty. UL and cUL listed.
  • [Improved Protection] End of Lamp Life (EOL) protection detects when a lamp has reached the end of its usable lifespan, preventing potential damage to the ballast and ensuring a safe shutdown. Ignition failure protection safeguards the system by automatically shutting down the ballast if the lamp fails to ignite, preventing repeated ignition attempts that could cause damage.
  • Additionally, the ballast offers short circuit protection, which automatically interrupts the power supply if a short circuit is detected, and open circuit protection, which ensures safe operation by detecting and preventing current flow in the event of an open circuit. These enhanced protections extend the lifespan of both the ballast and the lamp while ensuring user safety and consistent performance.

6. iPower 400W Digital Dimmable Electronic Horticulture Ballast with Pressure Sodium HPS Grow Light

  • Electronic Ballast: Support Dual Voltage Input 120V/240V; Dimmable Options: 50%, 75%, 100%; (8 Feet heavy-duty power cord included). High frequency output results in less power loss, 30% more lumens than magnetic ballasts for improved yields
  • Automatically converts between HPS and MH light bulbs by micro-chip programming; Fast lamp ignition by lighting up the bulbs within 1-2 mins max; Stable voltage output ensures flicker free light
  • Ultra-Safety: Protection against Short Circuit, Power Surge, Ignition Failure, Overheat, End-of Bulb-Life; Built-in cooling fan and graduating fin designed to minimize ballast temperature
  • HPS Grow Light Bulb: 55, 000 Lumens output, compatible with electronic and magnetic ballast, E39 Base. CCT 2, 100K, Optimized red & orange spectrum and high PAR (Photosynthetic Active Radiation)
  • Package Includes: 1 x 400W Ballast; 1 x 400W HPS Grow light bulb

7. Plusrite #7276 BALU400-CWA/V5 120-480 volt Magnetic CWA 5-Tap Ballast Kit, operates 400W HPS

Plusrite #7276 BALU400-CWA/V5 120-480 volt Magnetic CWA 5-Tap Ballast Kit, operates 400W HPS
8.3

Plusrite

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8. iPower GLBLST600D Horticulture 600 Watt Digital Dimmable Electronic Ballast for Hydroponic HPS MH

  • Operating voltage range: 100V~265V with 120V working voltage. Dimmable options: 50%, 75%, 100%. Watt option: 250w / 400w / 600w / Super lumens (110%)
  • Ultra-safety: advanced protection against short circuit, power surge, ignition failure, end-of bulb-life. Built-in cooling fan and graduating fin designed to minimize ballast temperature
  • High frequency output results in less power loss: 30% more lumens than magnetic ballasts for improved yields
  • Specification: compatible with HPS and MH light bulbs by micro-chip programming, 8FT heavy-duty power cord included, fast lamp ignition by lighting up the bulbs within 1-2 mins max, stable voltage output ensures flicker free light
  • Package included: 1 x 600 watt digital dimmable electronic ballast, 1 x heavy-duty power cord, 1 x operating manual

9. Keystone Technologies HPS-400A-Q-KIT High Pressure Sodium Ballast Kit 400W Quad Tap 120/208/240/277V

Keystone Technologies HPS-400A-Q-KIT High Pressure Sodium Ballast Kit 400W Quad Tap 120/208/240/277V
7.9

Keystone Technologies

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  • HPS-400A-Q-KIT
  • Quad Tap 120/208/240/277 Volt
  • Includes core & Coil Transofrmer mounting Bracket, Capacitor, ignitor, instruction and hardware
  • Pre wired for Quick Installation
  • High Pressure Sodium Ballast Kit

10. GRUOTVSZAK HPS 400W Grow Light Bulb E39 750μmol 2000K Red Concentrated Spectrum 55000 Lumens Bloom

GRUOTVSZAK HPS 400W Grow Light Bulb E39 750μmol 2000K Red Concentrated Spectrum 55000 Lumens Bloom
7.7

Gruotvszak

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  • HIGH YIELD: 750mol/s industry high. Yield greater. 55000 lumens superior brightness performance.
  • BIGGER BUDS: More PAR focus on RED to improve light utilization for photosynthesis designated for blooming bigger buds on flowering stage.
  • Compatibility: Compatible with electronic and magnetic ballast, E39 base.
  • Long Life: Over 28,000 hours total life time, premium 90% output maintenance for 6000 hours efficient grow, quality guaranteed.
  • Warm Up Time: Allow 5 mins for full bright; Wait at least 7 mins before striking again after use.

Peter

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