10 Best 400 Watt Electronic Ballast in 2022

Buying a 400 Watt Electronic Ballast can bring more comfort to your life, true. But choosing the right 400 Watt Electronic Ballast from an ocean of different options can make your head spin. To get the right product according to your needs and requirements, it’s a must to do the proper research.

And, guess what?

We decided to save you from doing back-breaking research and come up with the best 10 400 Watt Electronic Ballast on the market that offers you countless features so you can pick the right product based on your need.

If you ask how we chose and ranked such a huge number of products, here’s the answer.

Our team collected the most popular branded 400 Watt Electronic Ballast on the market and tested them respectively. This way, we got some real-life experiences to share with you. Also, we checked different E-commerce sites to go through helpful user reviews.

We take every factor related to the product seriously and try our best to make the information easy to consume for you. Moreover, we will share a comprehensive buying guide that helps you double-consider things that are related to the purchasing procedure.

Let’s dive in!

10 Best 400 Watt Electronic Ballast- A Detailed Review

Here are our top 10 picks that are selected according to their specialties and uniqueness. We considered factors like durability, longevity, product quality, price range, and brand value while ranking the products.

SaleBestseller No. 1
iPower GLBLST400D Horticulture 400 Watt Digital Dimmable Electronic Ballast for Hydroponic HPS MH Grow Light, 400W
726 Reviews
iPower GLBLST400D Horticulture 400 Watt Digital Dimmable Electronic Ballast for Hydroponic HPS MH Grow Light, 400W
  • Support dual voltage input 120V/240V. Dimmable options: 50%, 75%, 100%. Watt option: 150w/250w/400w/Super lumens (110%)
  • 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
  • Package included: 1-pack 400 watt digital dimmable electronic ballast included
Bestseller No. 2
TOPHORT 400 Watts Digital Dimmable Electronic Ballast for HPS MH Grow Light Bulb Lamp (400W, Blue)
352 Reviews
TOPHORT 400 Watts Digital Dimmable Electronic Ballast for HPS MH Grow Light Bulb Lamp (400W, Blue)
  • 【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.
Bestseller No. 3
iPower GLBLST400DV1 400 Watt Digital Dimmable Electronic Ballast for Horticulture and Hydroponics HPS MH Grow Light, Black
69 Reviews
iPower GLBLST400DV1 400 Watt Digital Dimmable Electronic Ballast for Horticulture and Hydroponics HPS MH Grow Light, Black
  • 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: advanced protection against short circuit, power surge, ignition failure, overheat and end-of bulb-life. built-in cooling fan and graduating fin designed to minimize ballast temperature
  • Support dual voltage input 120V/240V. Dimmable options: 50%, 75%, 100%. Watt option: 150w/250w/400w/Super lumens (110%)
  • 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
Bestseller No. 4
iPower 400W Digital Dimmable Electronic Ballast Hydroponic HPS MH Grow Light and 200pcs 8' Cable Tie
179 Reviews
iPower 400W Digital Dimmable Electronic Ballast Hydroponic HPS MH Grow Light and 200pcs 8" Cable Tie
  • Operating Voltage Range: 100V~265V with 120V working voltage; Dimmable Options: 50%, 75%, 100%
  • Compatible with HPS and MH light bulbs by micro-chip programming; Free heavy-duty power cord included
  • Ultra-safety: advanced protection against short circuit, power Surge, ignition failure, Overheat, end-of bulb-life
  • Optimal heat dissipation: built-in cooling fan and graduating fin designed to minimize ballast temperature
  • Package Includes: 1*400W Ballast, 1*200pcs Cable Tie of 8"
Bestseller No. 5
VIVOSUN 400 watt Dimmable Digital Ballast for HPS MH Grow Light, Soft Start Program & Stable Performance (Space Gray)
754 Reviews
VIVOSUN 400 watt Dimmable Digital Ballast for HPS MH Grow Light, Soft Start Program & Stable Performance (Space Gray)
  • Quality Assurance: UL listed; Stable performance with 3-year warranty, professional after-sales service
  • Spec.: Runs on 120 - 240V, 50/60Hz, 8ft 120V power cord
  • Watt Option: 150w / 250w / 400w / Super lumens (110%)
  • Protection System: Overheating protection, end-of-bulb-life protection, short-circuit protection, ignition-failure protection
  • Notice: Set ballast to the same watt option as the matched bulb before started
Bestseller No. 6
Yescom 400W HPS MH Electronic Dimmable Ballast for Grow Light Bulb Lamp w/Cooling Fan
3 Reviews
Yescom 400W HPS MH Electronic Dimmable Ballast for Grow Light Bulb Lamp w/Cooling Fan
  • [Compatibility]: 9 13/16" x 4 5/16" x 2 3/4" 400W electronic ballast is designed for connecting with light to maintain the working current and help the light to provide stable brightness and increase the service life, fit for HPS & MH grow light and metal halide & high-pressure sodium bulbs to promote the growth of indoor plants
  • [Powerful Performance]: Ballast features power output options of 150W,250W,400W and super lumens for ensuring the light to adjust the brightness and create optimal lighting environment, super lumens for achieving max. power up to 430W
  • [High Efficiency & Stable]: Compared with magnetic ballasts, electronic ballasts feature energy-saving design to reduce input power more than 10% and help lights to provide stable lighting brightness without flickering
  • [Durable & Cooling Design]: Strong aluminum construction for providing sturdiness, rust & corrosion resistance, can be used for a long time; cooling fan and aluminum shell for offering good heat dissipation and prolonging the service life
  • [Safe Protection]: Overheating protection for stopping working when the operation temperature reaches to the maximum value, open/short circuit protection and built-in fuse for protecting critical components from circuit failure and ensuring safe running
SaleBestseller No. 8
Hydrofarm Quantum QT400 Dimmable Ballast, 400W, 400 W
233 Reviews
Hydrofarm Quantum QT400 Dimmable Ballast, 400W, 400 W
  • Run at 100%, 75% or 50% power (400 W runs at 100% and 75%)
  • Strikes both metal halide and high pressure sodium bulbs
  • Accepts 120V/240V with no wiring needed (both cords included); 208V-configurable with electrician assistance
  • NOTE: The Quantum II series ballasts are designed to operate single-ended lamps only, and cannot run double-ended (DE) lamps
Bestseller No. 9
Universal Lighting Technologies M400ML5AC4M500K Magnetic Core and Coil Ballast, Metal Halide, 400W, 120-277/480V, Natural
1 Reviews
Universal Lighting Technologies M400ML5AC4M500K Magnetic Core and Coil Ballast, Metal Halide, 400W, 120-277/480V, Natural
  • HID ballast
  • For use with HID lamps
  • Wattage: 458 W
  • UL Listed, CSA Certified
  • Pre-wired capacitor and ignitor to speed and simplify installation
Bestseller No. 10
iPower GLSETX400DHMWING20 Horticulture 400 Watt HPS MH Digital Dimmable Ballast Grow Light System Kits Wing Reflector Hood Set, 400W
1,035 Reviews
iPower GLSETX400DHMWING20 Horticulture 400 Watt HPS MH Digital Dimmable Ballast Grow Light System Kits Wing Reflector Hood Set, 400W
  • 400W Digital Dimmable Electronic Ballast: Support 120V/240V Input; Dimmable Options: 50%, 75%, 100%; 8 Feet heavy-duty power cord included; Stable power output ensure flicker free light
  • 1 x 400W Super HPS bulb 2100K; 1 x 400W MH bulb 6000K; optimized Spectrum and high PAR (photosynthetic active radiation) to promote healthy plant growth and soonest flourish
  • 1 x pair of 8-ft adjustable ratchet clip hanger rope: hold up to 150 lbs
  • 19-inch Wing Reflector: up to 4' x 4' light coverage; Built-in 15 feet heavy duty lamp cord with E39 Ceramic Mogul Socket and standard Hydroponic S-Plug; highly 95% reflective textured German aluminum maximizes the light reflected to the plants
  • This system will generate too much heat to be used in an enclosed area without ventilation. Adequate ventilation is required for all iPower grow light systems. We recommend the use of an iPower inline fan

Which Things You Should Consider Before Buying a 400 Watt Electronic Ballast?

Yes, there are some factors you shouldn’t missing before purchasing a 400 Watt Electronic Ballast.

This guide will help you make the final decision easier. We will talk about things like a brand record, product quality, price range, durability, longevity, warranty, policy, and other factors that you must consider instead of simply hitting the buy button.

Even if you might make up your mind about purchasing a 400 Watt Electronic Ballast already, this comprehensive guide is recommended to take a glance at. It’s because you shouldn’t regret making an investment in a product and have an unpleasant experience just because of the lack of a helpful guide.

Brand Reputation

How positive records does your chosen brand have? Are the users happy with their purchase from the brand? Is there any past history that might make you think twice?

Find the answers to the questions first instead of blindly trusting the brand. The brand we’ve reviewed in the article is trustworthy enough. So, you don’t have to worry about it if you pick one from them. Still, if you ever heard any rumor about one brand of them, it’s wise to double-check.

Size and Weight

Be aware of your needs first. Do you want a large-sized 400 Watt Electronic Ballast because you won’t have to carry it often? Or, do you want a mini-sized, portable one that’s easy to carry?

It’s crucial to know the answers.

Also, the heavy weight of a product sometimes leads people to have a bitter user experience. I hope you will not be the same. Make sure you’re happy with the product weight because a lightweight 400 Watt Electronic Ballast is more comfortable.

Product Quality

Since you’re investing a fair amount of money in the product and having faith in the brand, the last thing you’ll want is to have a product that’s poor in quality. So, try to know about the materials used to manufacture the product and be sure that the product is high in quality according to its price.

Durability and Longevity

The durability and longevity of a product relate to each other. Durable products that perform great last longer. So, check how durable materials are used for the manufacturing process.

A durable product tends to damage less often and it will also save money that you would spend on repairing or replacing a damaged product.

Also, get to know the approximate shelf-life of the 400 Watt Electronic Ballast so, you don’t have over-expectation on the product. Some 400 Watt Electronic Ballast last for decades while some may last a few months. It depends on the used material and whether you use the product in the right way.

Budget

Set your expectations from the product according to your budget. You can’t expect a 400 Watt Electronic Ballast to last for a lifetime by spending only $80 on it. Instead, know your needs and set a fair budget for the product.

If you want a 400 Watt Electronic Ballast that’s okay-ish and does its job somehow, go for a mid-priced one. But if your expectation is so high that you want the product to be in good health for years, you should have a wide budget.

User Reviews

Last but not least, don’t skip user ratings and reviews. In most cases, people share their real-life experiences with products. You can get to know about the true benefits and drawbacks of the products. Also, this ‘check-out’ may prevent you from using the product in the wrong way because users share simple tips and tricks to use the product in the right (and simple) way.

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