Mars Hydro COB 300W Cree LED grow light


Mars Hydro COB 300W Cree LED grow light

255,00 225,00

Mars Hydro COB 300W Cree LED Grow Light are designed to significantly reduce your costs of growing while ensuring maximum growth from your harvests.

Availability: Out of stock


Mars Hydro COB 300W Cree LED Grow Light

Mars Hydro COB 300W Cree are designed to significantly reduce your costs of growing while ensuring maximum growth from your harvests. Take your garden indoors and grow your favourite plants, fruits, and flowers all year long with our complete line of LED grow lighting.

Product design

Mars Hydro COB 300W led grow light design is completely waterproof and noiseless with max coverage of 4.5’x4.5′. It can easily replace a 150W HPS or MH. It produces a superior yield and higher quality Flowers. If you’re looking to grow fruits, vegetables or even cannabis real cheap, Mars Hydro COB is your answer. Our affordable, high quality lights are ideal for any indoor garden or hydroponic system. Our LED bulbs are always cool to the touch, never dim and will burn strong for years, regardless of how long you leave them on each day.  3 years warranty is included plus 14 days satisfaction and return guarantee as well as secured payment via PayPal.

Recommended Applications for Mars Hydro COB 300W Cree

Hobby/indoor gardening, hydroponics or soil based plants
Sowing / Seedling / Breeding, Farm / Flower Exhibition / Garden / spray planted etc. ideal for all phases of plant growth
Commercial horticulture
Research greenhouses
Controlled environments agriculture


Indoor use only.
Do not touch the lamp surface when plugged.
LED units are not waterproof.
Plant Lamp ambient temperature preferably is below 65 ℃. Greenhouse temperature preferably is between 25 ℃ -28 ℃.
The Power links of LED units should not exceed 1200W –this may cause circuit shortages or fire.
Keep voltage between 85~264V, too high or too low may cause circuit shortage or fire.
Avoid looking directly at the LEDs – the LEDs are very intense and may cause visual colour distortion, “spots” or temporary blindness.

Mars Hydro COB 300W Cree


Coverage Core coverage: 2.5’x2.5′ / Max coverage: 4.5’x4.5′

Compare to HPS/MH/HID 150w HPS

Draw power 110W + – 5%@AC120V 108W + – 5%@AC240V

Spectrum 450~475nm 620~630nm, 650~660nm, and white

Chip Brand Osram, Cree

Voltage AC100-240V AC277 for North America only

Amps 0.987A/120V 0.46 A/240V

BTU 378.78BTU

Decibel Value 0db

Plug Type USA. UK, EU, AU, Japan

Lifespan 50000 hours

Dimension 290*220*210mm (12’x9’x8′)

Work Temperature -4°F ~105°F (-20°C ~ 40°C)

N.W/G.W 3.4KG(7.5lb)


We do accept PayPal who process all major debit and credit cards and we can also accept direct bank transfers, but please contact us before placing order if you’d like to pay by BACS.


We offer free shipping on all orders and these will be sent through one of your courier partners, DHL, UPS, etc. We do not offer free express shipping and you will receive tracking information.


All returns within 14 days of receipt are free. If you wish to return your product you must do so within 14 days of receipt of the goods. Please contact us as soon as possible to avoid missing the deadline and disappointment. You must quote your order number and we will advise the return address and procedure. We will only offer a refund or replacement as long as goods are sent back in their original condition, are unused and unopened in their original packaging. All returns made after 14 day grace period are made at customer expense. In the unlikely event where products would come damaged we will offer full refund or exchange provided that the product is returned to us unused and in its original packaging. Once the led grow light has been used, tents or hydroponic systems assembled we can no longer offer return.


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