01 — Description
Présentation du produit
What is QB288 V2 BSPEC Quantum Board?
QB 288 V2 Bspec® are high quality LED boards for indoor growing, manufactured in the USA by Horticulture Lighting Group , a company recognized in the industry for designing high-end LED lighting solutions for plants . Each board features 272 highest flux, lowest voltage LM301H full spectrum LEDs and 16 470nm blue LEDs to enhance spectrum for unbeatable plant performance.
What are the advantages of this product?
- High power: with low energy consumption.
- Quantum Board design for even light distribution across the entire growing surface
- High-efficiency Samsung LM301B LED chips and 470nm blue LED chips for a light spectrum suitable for all phases of plant growth
Features
- 272pcs Samsung LM301B Diodes, 16pcs 470nm Blue
- Connectors rated 240V
- Dimensions 17 x 27 cm
- Max current per card 3000mA @ 54VDC
- 1 year warranty
Spectrum
- Diodes 4000K Samsung LM301B Top Bin, 470nm sky blue
- CCT 3775K
- CRI (Ra) 88
Requires aluminum plate or heatsink if operating over 55 watts or over 1050mA
It offers a light spectrum including wavelengths ranging from 400 to 700 nm. This means plants receive all the colors of light they need for optimal growth.
Advanced Features
Versatile use
It can be used for a wide variety of plants including vegetables, fruits, herbs and flowers. Growers can also use it for seed propagation or growing cuttings.
Samsung LM301B LED chips
The QB288 V2 Bspec is equipped with Samsung LM301B high-efficiency LED chips, which provide a luminous efficiency of 2.7 µmol/J. This means that each watt of power consumed by the card produces 2.7 µmol of photons.
660nm red LED chips
In addition to high-performance white LED chips, it is also equipped with 660nm red LED chips. These red LEDs are essential for flowering plants, as they stimulate flower and fruit production.
Warning: not suitable for beginner growers
04 — Questions about this product
Product questions
Your questions about this product
- What is the luminous yield in µmol per watt measured under real conditions with the QB288 V2 BSPEC operating at its maximum current of 3000mA at 54VDC?
The luminous yield of the QB288 V2 BSPEC at its maximum current of 3000mA under 54VDC is approximately 2.4 to 2.5 µmol/joule (or µmol/watt) under real conditions, with a power consumption of about 162W.
- On this QB288 V2 BSPEC, in terms of reliability and durability, do the LEDs perform well over the long term without a drop in efficiency after 1 year of intensive use? I have had products where the power dropped after a few months due to poor thermal control or non-premium components. Here, is there any mention or feedback on the performance of the Samsung LM301B chips and the required cooling system?
The QB288 V2 BSPEC is equipped with Samsung LM301B chips, known for their efficiency and exceptional durability in horticulture. These LEDs are selected from the highest-performing models ('highest flux and lowest voltage'), ensuring long-lasting stability over time.Thermal management plays a key role: this panel is designed to be mounted on an appropriate aluminum heat sink, ensuring optimal cooling without the need for thermal paste. Proper thermal control effectively prevents any loss of power or premature degradation.In practice, feedback and tests confirm that, under correct usage conditions and suitable cooling, this QB288 performs very well over the long term after one year of intensive use, without any notable drop in efficiency.In summary, this model embodies reliability and longevity, provided that cooling recommendations are followed.
- This QB288 V2 BSPEC is top level LED but is it really possible to use it autonomously without adding a heatsink or is a specific direct kit absolutely necessary?
The QB288 V2 BSPEC is designed to be very efficient, but regarding thermal management, it cannot really operate autonomously without a heatsink. Indeed, it is not necessary to apply thermal paste, but an aluminum heatsink is mandatory as soon as the power exceeds 55-70 watts or the current 1050 mA. Below these thresholds, using it without a heatsink is possible but not recommended for prolonged or intensive use, as it could affect the lifespan and stability of the LEDs.
- Practical question for this product: Does the one-year warranty really cover frequent LED failures, including power drops or dead LEDs, and is customer service responsive to handle these issues without long waits?
The one-year warranty for the QB288 V2 BSPEC does cover frequent failures such as dead LEDs or abnormal power drops related to manufacturing defects. This protection includes the components and benefits from the recognized quality of the Samsung LM301H/LM301B LEDs used.
However, it is essential to follow usage recommendations, particularly ensuring proper thermal dissipation, to avoid warranty-excluded issues related to overheating.
Customer service is well-known for its responsiveness and professionalism, thus limiting delays when handling potential warranty claims.
- For an installation of 80x80 cm, which heatsink do you recommend to maintain an optimal temperature with this QB288 V2 BSPEC operating at 1050 mA?
For an 80x80 cm installation with the QB288 V2 BSPEC operating at 1050 mA, it is essential to use a good-sized aluminum heatsink to ensure efficient heat dissipation. A heatsink suited to the size of the panel guarantees thermal stability, thereby extending the lifespan of the LEDs.
We recommend pairing this heatsink with one or more small fans to optimize air circulation, especially if the cultivation is in a confined space. This helps maintain an optimal temperature and prevents overheating.
If you would like to explore our tailored solutions, you can take a look at our range of heatsinks designed for horticultural panels.
- Can the QB288 V2 BSPEC easily integrate into an existing hydroponic system, or does it require adjustments to the electrical setup or the arrangement of the LEDs to optimize plant growth in hydroponics?
The QB288 V2 BSPEC integrates very easily into an existing hydroponic system. Electrically, it operates with standard horticultural LED drivers (50-54V DC, up to 3000mA), avoiding any major modifications to your setup if you already have a suitable driver.
Regarding the arrangement of the LEDs, it is originally optimized for vegetative growth and does not require adjustment. However, it is important to ensure an even distribution of the panels in the growing space to maximize light coverage.
Finally, to preserve the performance and lifespan of the LEDs, a heat sink or aluminum plate is recommended, especially if the power exceeds 55W. If you wish to enhance the flowering phase in your hydroponics, it may be relevant to complement the QB288 V2 BSPEC with modules integrating deeper red LEDs, such as the RSPEC model.
In summary, this panel is an excellent base, easy to integrate and effective in supporting the growth of your plants in hydroponics.
- A card that lasts at least 2 years without a decrease in power? Is the spectrum really in line with the technical sheet after 6 months of intensive use? Does the after-sales service hold up when there is an LED defect?
The
QB288 V2 BSpec is designed with Samsung LM301H LEDs, known for their longevity and light stability. Under optimal usage and cooling conditions, it can maintain constant power for at least 2 years without significant degradation.
Regarding the spectrum, it remains in accordance with the technical sheet after 6 months of intensive use. The combination of 3500K LEDs and 470 nm blue LEDs ensures complete coverage of the photosynthetic range, stable over time thanks to the quality of the components.
Finally, the after-sales service is serious and efficient. In case of an LED defect, the after-sales service provides responsive follow-up with quick replacement or repair, ensuring the longevity of your installation.
- Is it possible to combine several QB288 V2 BSPEC in one room to optimize light coverage, and if so, what are the recommendations regarding thermal dissipation and electrical connection to avoid overheating or outages?
It is entirely possible to combine several QB288 V2 BSPEC in the same room to optimize light coverage, a common method in indoor cultivation.
For thermal dissipation, each QB288 V2 BSPEC must be mounted on an aluminum heat sink, especially if the power exceeds 55W or 1050mA. Good ventilation in the room is also essential to maintain an optimal temperature and preserve the lifespan of the LEDs.
Regarding the electrical connection, it is recommended to connect the boards in parallel to an appropriate driver, respecting the maximum power and current. Be careful not to mix different versions of boards and, if possible, use boards from the same batch to ensure uniform voltage. Avoid daisy-chaining to prevent risks of overheating or outages.
This configuration will provide you with powerful and stable light while protecting your installation from electrical and thermal risks.
- Is integration possible with a voice assistant to automatically adjust the intensity and light spectrum?
The QB288 V2 BSPEC does not natively have integration with a voice assistant to automatically adjust the intensity or light spectrum. Its technical specifications do not provide for intelligent control or a connection compatible with voice assistants.
However, it is possible to consider external management through an appropriate smart control system, but this would require specific additional installation not provided with the panel.
- What is the average lifespan of Samsung LM301B LEDs used in this QB288 V2 BSPEC and how to ensure optimal cooling without generating too much noise or odor?
The Samsung LM301B LEDs used in the QB288 V2 BSPEC boast an exceptional lifespan, typically exceeding 100,000 hours. This long lifespan ensures stable and efficient lighting over the long term for your crops.
To ensure optimal cooling without noise or odor, it is essential to opt for a system that combines good heat dissipation via an aluminum chassis with well-thought-out ventilation. Prefer passive ventilation or high-quality silent fans, and position the panel in a well-ventilated space to promote natural air circulation. This will prevent overheating while maintaining a discreet and healthy environment.
- Does the QB288 V2 BSPEC require an active cooling system for optimal use in an area of less than 0.5m²?
The QB288 V2 BSPEC, with its high concentration of LM301H diodes, offers excellent light efficiency while remaining quite sober in terms of heat. For an area of less than 0.5 m², it is generally not necessary to use an active cooling system. A simple aluminum plate or heatsink provides sufficient heat dissipation as long as the power remains below 55 watts.
This passive cooling is optimal for conventional uses in this volume, without pushing the board to its maximum power. A fan becomes relevant only if you want to run the board at high intensity or if you are in an environment with no natural ventilation. Thus, for comfortable growing and preserving the board's longevity in a small space, the passive solution is perfectly suitable.
- What is the best way to dissipate heat for the QB288 V2 BSPEC operating at 1,050 mA to ensure optimal performance and a long lifespan?
To ensure optimal performance and a long lifespan of the QB288 V2 BSPEC operating at 1,050 mA, the best way to dissipate heat is to mount the board on an aluminum heat sink or a suitable aluminum plate. This solution ensures excellent heat transfer, which is essential when power exceeds 55 watts or when current reaches 1,050 mA.
It is not necessary to use thermal paste, as the design of the QB288 V2 BSPEC provides effective direct contact with the heat sink. Good cooling keeps the LED temperature within an optimal range, which enhances brightness and significantly extends the lifespan of the components.
- How do you manage the thermal management of the QB288 V2 BSPEC to prevent overheating without degrading luminous performance?
To master the thermal management of the QB288 V2 BSPEC and avoid overheating while maintaining optimal luminous performance, it is essential to use an aluminum heatsink, especially if the power exceeds 55 watts or the current 1050 mA. This panel does not require a thermal interface material between the board and the heatsink, which greatly facilitates installation. Finally, when pairing multiple boards, prefer a series connection to avoid any thermal break if one board were to disconnect. These best practices ensure excellent cooling while maintaining high luminous efficiency.
- What is the exact electrical consumption for a QB288 V2 BSPEC panel in optimal operation and its light output in micromoles per second over 1.5x1.5m? How does its profitability compare to the rise in EDF rates for indoor cultivation?
The QB288 V2 BSPEC panel consumes approximately 135W in optimal operation, a power suited for a cultivation area of about 1.5 x 1.5 meters. With its Samsung LM301H and blue 470 nm LEDs, it delivers a light output close to 360 µmol/s, ensuring intense and effective light for your plants.
In light of the increase in EDF rates, this panel remains highly profitable as its high energy efficiency maximizes light production per watt consumed. This means less consumption for excellent crop development, optimizing the cost/production ratio over time.
- Is the QB288 V2 Bspec suitable for a micro grow of 60x60 with uniform lighting without overheating?
The QB288 V2 Bspec is perfectly suited for a micro grow of 60x60 cm, providing uniform lighting thanks to its full spectrum and high light efficiency of about 2.7 µmol/J. To avoid any overheating, it is essential to mount the panel on an aluminum heat sink or a radiator, especially if the power exceeds 55 watts. With well-managed heat dissipation, this LED panel ensures a stable and high-performance lighting environment for your plants, without the risk of overheating.
- Is it easy to connect two QB288 V2 BSPEC in series to cover a larger area without losing light uniformity?
It is quite possible and even recommended to connect two QB288 V2 BSPEC in series to cover a larger area while maintaining good light uniformity. Series wiring ensures that each board receives the same current, which avoids imbalances and guarantees stable light. However, it is important not to exceed five boards in series to respect the voltage limits of the connectors and ensure safety.
Be sure to also use an appropriate driver and provide an effective heat sink, essential for managing the power of these modules. This setup will allow you to extend your lighting system while maintaining optimal quality.
- What is the light output in µmol/s for an intensity of 1500 mA on the QB288 V2 BSPEC and what optimal operating temperature should be maintained to avoid damaging the LM301B chips?
For the QB288 V2 BSPEC board operating at 1500 mA, the light output is approximately 219 µmol/s, based on a power consumption of about 81 W and an efficiency of 2.7 µmol/J.
Regarding the temperature, it is essential to keep the LED chip around or below 55°C (junction temperature) to preserve the longevity and performance of the Samsung LM301H chips (similar to the LM301B). This requires effective cooling, either through a suitable heat sink or robust active ventilation.
- What is the optimal power recommended to avoid overheating with the heatsink on this QB288 V2 BSPEC?
For the QB288 V2 BSPEC, the recommended optimal power to prevent any overheating with heatsink is approximately 55 watts, which corresponds to a maximum current of 1050 mA. Beyond these values, an aluminum heatsink is essential to ensure good thermal dissipation and protect the module. The flat design of the QB288 allows for effective direct contact with the heatsink, without the need for thermal paste.
- Do the QB288 V2 BSPEC boards require a heatsink to operate continuously without the risk of overheating?
The QB288 V2 BSPEC boards do indeed require an aluminum heatsink to operate continuously without the risk of overheating. For powers below 55 watts, a simple passive plate is generally sufficient. However, as soon as you exceed 55 watts or 1,050 mA of current, a suitable heatsink becomes essential to ensure the stability, performance, and longevity of the LEDs. No thermal paste is needed thanks to an optimized design, but good contact with the heatsink is crucial. Active cooling will only be necessary under extreme conditions or in very confined spaces.
- Can the brightness of the white and red LEDs of the QB288 V2 BSPEC be managed independently to optimize growth and flowering phases in the same box?
The QB288 V2 BSPEC is primarily equipped with full spectrum white LEDs and blue LEDs, without separate 660 nm red LEDs. Therefore, it is not possible to manage the brightness of the white and red (or blue) LEDs independently on this panel.
Indeed, all the LEDs are connected on a single circuit board, which implies a single overall control of light intensity. To optimize growth and flowering phases in the same box, the recommended solution is to use multiple distinct panels — for example, one QB288 V2 BSPEC for growth and another more red-oriented for flowering — and to adjust each panel separately.
If you want independent control of different colors on the same system, you will need to consider solutions that include drivers or dimmers dedicated by group of LEDs, which is not the case with the QB288 V2 BSPEC.
- What is the maximum recommended electrical consumption for using the QB288 V2 Bspec without needing to add a heatsink?
The maximum recommended electrical consumption for the QB288 V2 Bspec without the addition of a heatsink is about 55 watts. Beyond this limit, it is necessary to use a heatsink or an aluminum plate to ensure effective cooling and prevent overheating. Additionally, the current should not exceed 1050 mA without additional cooling. These limits ensure optimal performance and a long lifespan for the LED panel.
- What is the average durability of Samsung LM301B LEDs in the long term with continuous use?
The Samsung LM301B LEDs from the QB288 V2 BSPEC provide excellent durability with an average lifespan of around 50,000 to 60,000 hours under continuous use. This corresponds to several years of 24/7 usage (approximately 5 to 7 years), provided the temperature is managed properly to avoid overheating. These LEDs maintain high luminous efficiency for a long time, even if they are slightly less robust than newer models like the LM301H Evo.
- Is integration possible with a voice assistant to control the intensity and light cycles of the QB288 V2 BSPEC?
The QB288 V2 BSPEC does not have built-in voice control to directly manage intensity or light cycles. However, its design compatible with standard dimmable LED drivers allows you to add an external controller. By connecting this to a smart home system or a smart switch compatible with your voice assistant (Alexa, Google Assistant…), you will then be able to control your horticultural lighting by voice. This third-party solution is ideal for combining LED performance and voice control in your setup.
- What is the precise electric consumption in watts at 2700mA on the QB288 V2 BSPEC and the actual light output in µmol per second for 1 board in a space of 1.5m x 1.5m?
The QB288 V2 BSPEC panel consumes approximately 135 watts when operating at 2700 mA, with a voltage close to 50 VDC. Regarding its light output, it delivers about 360 µmol/s, which is ideal for a growing area of 1.5 m x 1.5 m. This light power ensures a uniform and effective distribution, conducive to optimal plant growth.
