LUMii BLACK² 720/960 LED Grow Light | Full Spectrum Modular LED

🌱 LUMii BLACK² 720/960 LED — Guide & Product Information

💡 High-Output LED Grow Lighting for Serious Indoor Growing

The LUMii BLACK² 720/960 LED is a powerful full spectrum LED grow light designed for high-performance indoor growing. Built for flexibility, efficiency and strong canopy coverage, it can be used as one complete 6-bar LED fixture or separated into two 3-bar sections for wider lighting layouts.

With up to 2596 µmol/s PPF output when powered by two compatible ballasts, this LED grow light is an excellent choice for growers upgrading from traditional HPS lighting to a more efficient and evenly distributed LED setup.

This LED grow light is ideal for:

• ✔ 1.5m x 1.5m grow tents
• ✔ Full cycle indoor growing
• ✔ Vegetative and flowering stages
• ✔ Growers upgrading from HPS lighting
• ✔ Modular grow room lighting setups

For more information on lighting performance, see our article: The Role of Grow Lighting in Hydroponics.

🔌 Modular 720W / 960W Power Options

The LUMii BLACK² gives growers the option to run the fixture at different power levels depending on the setup. It can be powered using one LUMii BLACK 600W Electronic Ballast or pushed to maximum output with two compatible ballasts.

• ✔ 720W maximum output when powered by one ballast
• ✔ 960W maximum output when powered by two ballasts
• ✔ Up to 2071 µmol/s PPF with one ballast
• ✔ Up to 2596 µmol/s PPF with two ballasts
• ✔ Compatible with the LUMii BLACK 600W Electronic Ballast

Compatible ballast option: LUMii BLACK Electronic Ballast.

🧩 Flexible 6-Bar or Twin 3-Bar Design

One of the main advantages of the LUMii BLACK² LED is its modular design. The fixture is made from two interlocking halves, allowing it to be used as one complete 6-bar LED fixture or separated into two individual 3-bar lights.

This makes it suitable for both standard grow tent setups and wider grow room layouts where flexible light distribution is required.

• ✔ Use as one complete 6-bar LED fixture
• ✔ Split into two separate 3-bar LED fixtures
• ✔ Suitable for up to 1.5m x 1.5m coverage as a 6-bar fixture
• ✔ Can cover up to 25% more area when used as two 3-bar fixtures

View more options in our LED Grow Lights category.

💻 Technical Specifications

• ✔ Product: LUMii BLACK² 720/960 LED
• ✔ Light Type: Full spectrum LED grow light
• ✔ Power: 720W with one ballast / 960W with two ballasts
• ✔ PPF Output: Up to 2071 µmol/s with one ballast
• ✔ Maximum PPF Output: Up to 2596 µmol/s with two ballasts
• ✔ Operating Efficacy: Around 2.9 µmol/J
• ✔ Chip Efficacy: Up to 3.7 µmol/J
• ✔ Recommended Coverage: 1.5m x 1.5m as a 6-bar fixture
• ✔ Configuration: Modular 6-bar or twin 3-bar design
• ✔ Lifetime: L90 >50,000 hours
• ✔ IP Rating: IP65
• ✔ Suitable Stages: Vegetative growth and flowering

🏡 Ideal Uses

• ✔ Large grow tents
• ✔ Full cycle indoor grow rooms
• ✔ Hydroponic growing setups
• ✔ Growers replacing 600W or 1000W HPS lighting
• ✔ Custom lighting layouts using separated 3-bar sections

For complete indoor growing setups, browse our Grow Tents and Light Movers, Hangers & Accessories.

📏 Placement & Usage Tips

• ✔ Use as a 6-bar fixture for strong 1.5m x 1.5m coverage
• ✔ Hang the fixture adjustably using suitable rope ratchets or hangers
• ✔ Raise or dim the light if plants show signs of light stress
• ✔ Use two ballasts when maximum light output is required
• ✔ Keep good air movement around the fixture for best grow room performance

❓ FAQ

Is the LUMii BLACK² 720/960 LED suitable for flowering?
Yes — the full spectrum output is suitable for both vegetative growth and flowering, making it a strong option for full cycle indoor growing.

What size grow tent is this light best for?
As a complete 6-bar fixture, the LUMii BLACK² is ideal for a 1.5m x 1.5m grow area.

Can the LUMii BLACK² be split into two lights?
Yes — the fixture is made from two interlocking 3-bar sections, so it can be used as one 6-bar fixture or separated into two 3-bar lights.

Do I need one ballast or two?
One compatible LUMii BLACK ballast can power the fixture up to 720W. For maximum 960W output and up to 2596 µmol/s PPF, two ballasts are required.

Is this a good upgrade from HPS lighting?
Yes — the LUMii BLACK² offers high LED output, strong efficiency, full spectrum light and more even canopy coverage than many traditional HPS lighting setups.