--- product_id: 679567348 title: "MARS HYDRO 800Watt FC-E8000 LED Grow Light 5x5ft with 3928pcs Diodes Full Spectrum Grow Light Bar Commercial Plant Growing Lamp for Vertical Farming, Achieve 2.8umol/J Detachable Precise Lighting…" brand: "mars hydro" price: "$4233.17" currency: USD in_stock: true reviews_count: 5 url: https://www.desertcart.us/products/679567348-mars-hydro-800watt-fc-e8000-led-grow-light-5x5ft-3928pcs store_origin: US region: United States of America --- # MARS HYDRO 800Watt FC-E8000 LED Grow Light 5x5ft with 3928pcs Diodes Full Spectrum Grow Light Bar Commercial Plant Growing Lamp for Vertical Farming, Achieve 2.8umol/J Detachable Precise Lighting… **Brand:** mars hydro **Price:** $4233.17 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** MARS HYDRO 800Watt FC-E8000 LED Grow Light 5x5ft with 3928pcs Diodes Full Spectrum Grow Light Bar Commercial Plant Growing Lamp for Vertical Farming, Achieve 2.8umol/J Detachable Precise Lighting… by mars hydro - **How much does it cost?** $4233.17 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/679567348-mars-hydro-800watt-fc-e8000-led-grow-light-5x5ft-3928pcs) ## Best For - mars hydro enthusiasts ## Why This Product - Trusted mars hydro brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description 800watt. Review: I posted a very long review that didn't get approved, so I'm going to make it short and sweet. This light draws 800w +/- 5% but the driver consumes 70w. So, 730w of LED power is what you're actually putting out. That being said, I have never had happier plants. I went from having an extremely hot tent with a 1,200w HPS to having a 5x5x6.5 tent that never cracks 85°, even with the exhaust fan turned to the minimum. The LED puts out less actual ePPF than my HPS but it's much wider spectrum and MUCH more evenly spread out. My entire tent at 12" doesn't get below 823ePPFD at the minimum. The average at 18" is 1,064ePPFD according to my quantum sensor, and 1,321 ePPFD average at 12". However I like to keep it at 18" so that the light spread it more even, and I don't want to burn my plants as I am not using supplemental CO2. Anyways, the driver thing was explained to me in an email from Mars. I got this grow light on sale for $560, so there's no way I could ever get a better deal on a light like this. My only gripe is that I bought it RIGHT before they put out the FC-E1000w which I would have rather purchased. Oh well, this one is still good for my purposes! If I decide to supplement CO2, I'll lower the light. My power use immediately dropped very significantly just from having this light for 2 weeks out of the power billing period. I'm glad, because power rates in my area are about to go from $0.1205/kWh to $0.24175/kWh at the start of January. I can always lower the light and dim it to cut energy consumption if necessary. I give the light a 5/5 in all categories, but like all companies; MarsHydro overstates the performance of their product. At 12" I only get a total of 1,933 ePPF and they advertise 2,100 PPF Which it seems is never the case in any reviews. As long as you're cool with that, this light grows plants like no fixture I have ever used. The 8 100w blurples from Marshydro that I was using 2016-2019 couldn't get anywhere near this performance or efficiency. Also, the efficiency is much lower than claimed by Marshydro. I get 2.416 EPPF/J. 1933/800=2.416. If we go by the output wattage, I get 2.65ePPF/J, which is less than the efficiency of 2.8 PPD/J that they advertise. All in all, I don't regret my purchase, I will save around $2,000 in the next year on my power bill because of it, and my flowers have never grown so densely and happily. Great job Marshydro, just be more realistic in your ads. Update 1/15/2023: This light has saved me $100 on my power bill compared to a 1200W HPS. My usage statement on November 13 was 1145kWh consumed, December was 13th statement was 1209kWh, This month's statement shows 687kWh consumed. The light will pay for itself in 4 more months. Then we're just saving money. Review: Initial high cost but did the math and it will pay for itself compared to hps system in 2yrs of daily use. It uses half the electricity as a hps system for the same size coverage. Also has more even distribution of light over given area as multiple sources vs single hps bulb. Also hps is notorious for high heat output, you can't even touch it but the LED is only warm to touch. No need for cooling in grow area. Definitely a better overall system. However after buying a second light and close inspection of driver, it is labelled as 730 watts not the advertised 800 watts. Now it makes sense that i couldn't get the higher advertised par map with my systems fc-e8000. Still a good light but fake advertisement that reflects poorly on the company. See photo Update: Been almost 2yrs and it was on fire at the contection to light bar. Melted connection to wiring harness. Yes there was flames. That google home for fire alarm. Now will post on their warranty service in future. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | MARS HYDRO | | Item model number | FC-E8000 | | Product Dimensions | 115.8 x 115.1 x 9.5 cm; 13.34 kg | | ASIN | B099WGZH67 | ## Product Details - **Colour:** Full Spectrum - **Shape:** Rectangular - **Material:** Detachable Aluminum +Metal - **Finish type:** Aluminum - **Light source type:** Light Emitting Diode ## Images ![MARS HYDRO 800Watt FC-E8000 LED Grow Light 5x5ft with 3928pcs Diodes Full Spectrum Grow Light Bar Commercial Plant Growing Lamp for Vertical Farming, Achieve 2.8umol/J Detachable Precise Lighting… - Image 1](https://m.media-amazon.com/images/I/61ZDjMXrQuL.jpg) ## Questions & Answers **Q: What is the difference between FC and FC-E?** A: The key difference is the diode brand: the FC series uses Samsung diodes, while the FC-E series uses BridgeLux diodes. Both are trusted brands—Samsung is a global leader, and BridgeLux is a well-established U.S. manufacturer. **Q: How to install them? Is the installation difficult?** A: Installation is fast and easy with a foldable design that reduces setup time. FC-E1500/FC-E3000feature an integrated all-in-one design, while FC-E4800/FC-E6500/FC-E8000/FC-E1000W use a single-fold design for quick unfolding and installation. **Q: How to achieve intelligent control? What functions does it provide?** A: Intelligent control is available via optional accessories, supporting remote control, scheduling, and sunrise/sunset modes. iConnectu controller offers basic control, iControl supports RJ12 devices, and iHub Pro enables multi-device management. **Q: Can it be installed together with ADlite? And how do I choose the appropriate ADlite model?** A: Yes, ADlite can be installed together. Due to the compact design of FC-E1500 and FC-E3000, ADlite can only be mounted on the outer side. For selection: use ADlite RB30 (short) for fixtures under 500W, and ADlite RB55 (long) for fixtures over 500W. **Q: What should I do if the light malfunctions?** A: Designed for 50,000 hours of peak performance, Mars Hydro stays by your side. With local repair centers and 24-hour support, we ensure your growth never skips a beat. Experience peace of mind through our dedicated care. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by K***. on 18 December 2022* I posted a very long review that didn't get approved, so I'm going to make it short and sweet. This light draws 800w +/- 5% but the driver consumes 70w. So, 730w of LED power is what you're actually putting out. That being said, I have never had happier plants. I went from having an extremely hot tent with a 1,200w HPS to having a 5x5x6.5 tent that never cracks 85°, even with the exhaust fan turned to the minimum. The LED puts out less actual ePPF than my HPS but it's much wider spectrum and MUCH more evenly spread out. My entire tent at 12" doesn't get below 823ePPFD at the minimum. The average at 18" is 1,064ePPFD according to my quantum sensor, and 1,321 ePPFD average at 12". However I like to keep it at 18" so that the light spread it more even, and I don't want to burn my plants as I am not using supplemental CO2. Anyways, the driver thing was explained to me in an email from Mars. I got this grow light on sale for $560, so there's no way I could ever get a better deal on a light like this. My only gripe is that I bought it RIGHT before they put out the FC-E1000w which I would have rather purchased. Oh well, this one is still good for my purposes! If I decide to supplement CO2, I'll lower the light. My power use immediately dropped very significantly just from having this light for 2 weeks out of the power billing period. I'm glad, because power rates in my area are about to go from $0.1205/kWh to $0.24175/kWh at the start of January. I can always lower the light and dim it to cut energy consumption if necessary. I give the light a 5/5 in all categories, but like all companies; MarsHydro overstates the performance of their product. At 12" I only get a total of 1,933 ePPF and they advertise 2,100 PPF Which it seems is never the case in any reviews. As long as you're cool with that, this light grows plants like no fixture I have ever used. The 8 100w blurples from Marshydro that I was using 2016-2019 couldn't get anywhere near this performance or efficiency. Also, the efficiency is much lower than claimed by Marshydro. I get 2.416 EPPF/J. 1933/800=2.416. If we go by the output wattage, I get 2.65ePPF/J, which is less than the efficiency of 2.8 PPD/J that they advertise. All in all, I don't regret my purchase, I will save around $2,000 in the next year on my power bill because of it, and my flowers have never grown so densely and happily. Great job Marshydro, just be more realistic in your ads. Update 1/15/2023: This light has saved me $100 on my power bill compared to a 1200W HPS. My usage statement on November 13 was 1145kWh consumed, December was 13th statement was 1209kWh, This month's statement shows 687kWh consumed. The light will pay for itself in 4 more months. Then we're just saving money. ### ⭐⭐⭐⭐⭐ Review *by I***T on 20 March 2022* Initial high cost but did the math and it will pay for itself compared to hps system in 2yrs of daily use. It uses half the electricity as a hps system for the same size coverage. Also has more even distribution of light over given area as multiple sources vs single hps bulb. Also hps is notorious for high heat output, you can't even touch it but the LED is only warm to touch. No need for cooling in grow area. Definitely a better overall system. However after buying a second light and close inspection of driver, it is labelled as 730 watts not the advertised 800 watts. Now it makes sense that i couldn't get the higher advertised par map with my systems fc-e8000. Still a good light but fake advertisement that reflects poorly on the company. See photo Update: Been almost 2yrs and it was on fire at the contection to light bar. Melted connection to wiring harness. Yes there was flames. That google home for fire alarm. Now will post on their warranty service in future. ### ⭐⭐⭐⭐⭐ Review *by W***N on 30 January 2026* I purchased this product 13 months ago. BEST LIGHT EVER ! But the light stopped working suddenly. With simply a hand full of emails and pics sent to prove its condition, I was only charged $20 (shipping fee) for a replacement power supply! In less than 1 week I had my replacement running perfectly again! OUTSTANDING CUSTOMER SERVICE!!!! ## Frequently Bought Together - 2025 New MARS HYDRO 800Watt FC-E8000 Foldable LED Grow Light 5x5ft, Full Spectrum Grow Light Bar Commercial Plant Growing Lamp for Vertical Farming - AC Infinity CLOUDRAY S6, Grow Tent Clip Fan 6” with Redesigned Long-Life EC Motor, Custom 10 Dynamic Wind Speeds and 10-Level Oscillation, Weatherproof IP-54, for Hydroponics Circulation Cooling --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/679567348-mars-hydro-800watt-fc-e8000-led-grow-light-5x5ft-3928pcs](https://www.desertcart.us/products/679567348-mars-hydro-800watt-fc-e8000-led-grow-light-5x5ft-3928pcs) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-18*