10 Best Grow Ballast of October 2025

• 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 included: 1-pack 1000 watt digital dimmable electronic ballast included
• Power source type: Corded Electric

iPower

• 【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 3-year warranty against manufacturer defects.

TOPHORT

• UL Listed 1000W Dimmable Ballast: Dimmable level: 600w; 750w; 1000w; super lumens (110%)
• Operates on 120/240V, 50/60Hz power supply. 8ft 120V power cord included. Strike both MH and HPS bulbs
• Overheating Protection; End-of-Bulb-Life Protection; Short Circuit Protection; Ignition Failure Protection
• Note: The dimmable setting of ballast should be the same watts as the bulb when starting, or your bulb may not be lighted up. The extra setting is to adjust the brightness (lumen) of the bulb. Different lumens have different effect on the plants
• What You Get: VIVOSUN ultra bright 1000w digital ballast, 8ft 120 volt power cord, four rubber feet, our fan-favorite 3-year warranty and friendly customer service

VIVOSUN

• UL Listed 1000W Dimmable Ballast: Dimmable level: 600w; 750w; 1000w; super lumens (110%)
• Operates on 120/240V, 50/60Hz power supply. 8ft 120V power cord included. Strike both MH and HPS bulbs
• Overheating Protection; End-of-Bulb-Life Protection; Short Circuit Protection; Ignition Failure Protection
• Note: The dimmable setting of ballast should be the same watts as the bulb when starting, or your bulb may not be lighted up. The extra setting is to adjust the brightness (lumen) of the bulb. Different lumens have different effect on the plants
• What You Get: VIVOSUN ultra bright 1000w digital ballast, 8ft 120 volt power cord, four rubber feet, our fan-favorite 3-year warranty and friendly customer service

VIVOSUN

• Four-way dimming: Super lumens 100%, 75% & 50%
• Input Voltage: 120/208/240V
• Input frequency: 50/60Hz
• Improved Protections: End of lamp life (EOL), ignition failure, short and open circuit
• 3 Year Limited Warranty. UL and cUL listed.

Plantmax

• 1000W 240V Double Ended Digital Dimmable Ballast: 600/660/1000/1150W optional output
• 3-Mode double ended adjustable reflector w/ VEGA98 aluminum layer of 98% reflection and excellent color rendering & outstanding high quality VS lamp holder
• Includes Super HPS+ (Pro-Plus) 2100um+ high par double ended HPS bulb, providing 35% more available energy than high standard pressure sodium lamp
• Microprocessor controlled with electronic safety circuit provides overheating and short-circuit protection. Free bonus pair of 1/8" heavy duty rope hangers w/ metal gears inside,8ft long,can handle 150lbs per pair
• This system will generate too much heat to be used in an enclosed area without ventilation. Adequete ventiliation is required for all 1000w system. Manufacturer warranty: DE ballast-3 yr; DE reflector-2 yr; DE HPS bulb-1 yr. For optimal performance, the bulb should be replaced once a year

iPower

• 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 included: 1-pack 600 watt digital dimmable electronic ballast included
• Power source type: Corded Electric

iPower

• Quality assurance: UL listed, 3-year warranty, professional after-sales service
• Spec.: Runs on 120 - 240V, 50/60Hz, 8ft 120V power cord
• Watt option: 600w / 750w / 1000w / 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

VIVOSUN

• Grow light ballast with 4 adjustable levels for reducing wastage and improving usable efficiency of power supply equipment capability
• 150W, 165, 250W, and super, 4 levels for adjusting the lumen to create the optimal environment
• Super level for maximum efficiency to improve yields, high frequency output results in less power loss
• Double cooling system - with cooling fan and high-quality aluminum heating body for optimizing heat dissipation to prevent short circuit and overheat, keeping your safety
• Compatible with HPS and MH grow light; Overall Dimension(LxWxH): 17 5/16" x 4 5/16" x 2 3/4" (44 x 11 x 7 cm)

Yescom

• 600W 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 600W Super HPS Bulb 2100K; 1 x 600W 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; 24-hour Plug-in Mechanical Timer: 15 minutes increments
• 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
• CAUTION: 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

iPower