Mars Hydro Mars II 400 LED Grow Light New

  • Model: Mars Hydro
  • SKU: MARSII400
Mars Hydro Mars II 400 LED Grow Light New

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In Stock
Ships Same or Next Day
If ordered by 12PM EST
  • Free Shipping Options Available
  • Price Match On Most Items
  • Manufacturer Direct
  • Exceptional Customer Service
  • Free Replacement Shipping
To place an order over the phone or for immediate assistance, please call (888) 978-4993. For after hours sales please call (888) 999-1522.


Brand new & manufacturer direct
Guaranteed to work like new or your money back
3 year manufacturer's warranty
Authorized Mars Hydro dealer
Ships out same or next business day


The Mars II 400w is designed to significantly reduce your costs of growing while ensuring maximum growth from your harvests. Perfect for large Scale commercial operations or simply your garden indoors and grow your favorite plants all year long.

With a record breaking 2.5'x 2.5' coverage the Mars 400 can easily replace a 250W HPS or HID traditional grow light, produce a superior yield and higher quality Flowers all while reducing operational cost to around 1/3!


  • Grow Light
  • Powercord
  • Cables
  • Manual


  • Full Spectrum

    Mars lights deliver even par readings and utilize superior 12-band spectrum with IR to achieve maximum photosynthesis response. Higher yields, larger fruit, bigger flowers, all with increased potency and health.

    HPS Replacement

    The Mars II 400 effectively replaces a 250 watt HPS while consuming 162 watts of actual power. Perfect for a 2.5ft×2.5ft growing area. Seriously no led light that draws 150 watts is going to replace a 1000W HPS.

    Excellent Customer Care

    All Mars lights are ETL (US/CA)/CE/RoHS listed. ETL is the most stringent safety standards among led. Local repair center in US/Canada/Germany/UK/Australia. We are capable of offering domestic warranty for worldwide growers.

    Excellent Overall Savings

    Saves 70% overall vs HPS/HID/MH lighting. No replacing ballasts, bulbs or installing expensive exhaust systems to combat excess heat issues common with HPS rooms. MarsHydro lights also produce much more yield per watt.

    Reliable Parts

    • Top 5W Epistar leds to ensure maximum intensity. Each diode is fully zener protected. 1 led is out, others work.
    • Extra large heat sinks made of aluminum and quiet big fans to help heat dissipation. Easily reduce heat by 50%.
    • Self-protecting constant current power supply with less than a 0.5% failure rate after long working hours. 


  • Model: Mars Hydro Mars II 400 led grow light
  • Number of leds: 80pcs
  • LED Type: High intensity 5W Epistar
  • Spectrum: 430-440nm, 450-475nm, 620-630nm, 650-670nm, 730nm, 2700K,3500K
  • Actual Wattage(±5%): 162W/110v, 159W/220v
  • Veg/Flower Power: Veg power 107W, Flower power 55W
  • Amp Draw: 1.48A/110v, 0.77A/220v
  • Footprint Flower: Up to 2.5ft x 2.5ft
  • Footprint Veg: Up to 3ft x 3ft
  • Core PAR Value: 752 umols
  • Lumen Output: 8914 lumen
  • Replaces HPS/MH: 250 watt
  • Product Size: 14 x 14 x 3.5 inches
  • Net Weight: 12 lbs / 5.4 KG
  • Heat Output: 638 BTU
  • Leds View Angle: 90°/120°Mixed
  • Input Voltage: 85V-265V(AC)
  • Frequency Range: 56~60Hz
  • Life Rating: 50000-100000 hours
  • Noise Level: 58DB
  • Certifications: ETL/CE/RoHS
  • Warranty: 3-year manufacturer warranty
  • Cord Length: 6ft
    As a Mars Hydro authorized dealer, we offer a 3 year factory warranty on this item.

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