01 — Description
Présentation du produit
SANlight FLEX20 LED lighting is an ideal supplementary light for growing plants. Whether lighting for cuttings or fixed to the wall, it can be easily mounted anywhere , both horizontally and vertically.
Thanks to its full spectrum , the 20W SANlight FLEX20 covers the surface of all your plants. It can be used as simple lighting for pure cultivation, or as additional lighting during the flowering phase.
With an angle of 90° , its large capacity LED lenses direct the light where you want it!
Delivered without power supply
02 — Fiche technique
Caractéristiques détaillées
| Coverage area | Rectangular |
| Functions | Not Dimmable |
| Waterproof | No |
| Thermal management | Passive - Completely silent |
| Power | Under 100W |
| Power consumption | 20W |
| HPS or MH equivalent | 30W |
| LEDs | OSRAM |
| Spectrum | Full Spectrum - Grow and Bloom |
| Lens angle | 90° |
| Zero noise | Yes |
| Size | 880x31x25mm |
| Product weight | 0.450kg |
| Manufacturer's Warranty | 2 years |
| Marque | SANlight |
03 — Avis clients
Customer reviews
Comments All reviews
Bien reçu ce modèle, encore en attente de test mais l'emballage est impeccable. Hâte de voir les performances annoncées.
Recommended to buy: Yes
Très bon éclairage
Très bon éclairage. Efficace et économique. Les résultats sont visibles rapidement. Bon rapport qualité-prix. Merci pour le service.
Recommended to buy: Yes
Très efficace. Ça
Très efficace. Ça fait exactement ce qu'on attend. Bon service client aussi. Pas à regretter.
Recommended to buy: Yes
Franchement, c'est un excellent
Franchement, c'est un excellent produit. Après quelques jours, j'ai vu une vraie différence. Efficace, économique, facile à utiliser. Livraison rapide et soignée. Service client excellent. Les résultats sont au rendez-vous. Je recommande sans hésiter.
Recommended to buy: Yes
04 — Questions sur ce produit
Product questions
Your questions about this product
- Can I easily use this 20W FLEX20 horticultural LED lamp for my indoor plants without needing any specific technical knowledge?The 20W FLEX20 horticultural LED lamp is perfectly suited for easy use indoors, even without sharp technical knowledge. It is simple to install, being able to be placed horizontally or vertically to fit your space. Its full spectrum covers all the needs of your plants, from the cutting phase to growth, and it operates silently thanks to passive thermal management.
Note that the lamp is delivered without a power supply, so remember to provide a compatible adapter for its operation.
- Can multiple FLEX20 be connected in series to a single power supply or does each unit require an independent power supply?The FLEX20 are delivered without an integrated power supply, which necessitates a suitable power supply for each unit or for all connected units. It is possible to connect multiple FLEX20 to a single power supply as long as it supports the total power, i.e., 20W multiplied by the number of units. For example, for two FLEX20, a power supply of at least 40W is required.Connecting in series is not always recommended as it depends on the electrical design of the products. To ensure a safe and optimal installation, it is better to use a power supply suited to the total power and to avoid series connection unless specified in the instructions.
- What is the average lifespan of the LEDs in the FLEX20 and how does it influence the quality of lighting in the long term?The average lifespan of the LEDs in the FLEX20 is between 50,000 and 100,000 hours, which is typical for high-quality LEDs such as the OSRAM integrated into this model. This longevity ensures stable and constant lighting, without noticeable loss of luminous power or alteration of the light spectrum, essential for optimal plant growth in the long term. Additionally, the low heat emitted by these LEDs allows the FLEX20 to be positioned close to the crops without the risk of burning, thus maximizing light efficiency while preserving the lifespan of the equipment. It is a sustainable investment for efficient indoor crops.
- What power and type of supply do you recommend to optimize the use of the FLEX20 for supplemental lighting during the flowering phase in a confined space cultivation?
The FLEX20 - Compact Linear Led Horticultural Lighting - 20W requires a constant voltage power supply of 48V DC to operate optimally. Its rated power of 20W is perfect for targeted supplemental lighting during the flowering phase in a confined space.
We recommend using a certified 48V power supply suitable for this power, ensuring a stable and secure voltage. This light fixture is not dimmable, so it is important that the power supply provides a constant current without fluctuation.
With its 90° beam angle and full spectrum, the FLEX20 effectively concentrates light on plants, maximizing efficiency in a small volume. Its design and passive thermal management facilitate installation and ensure silent operation without overheating.
For a suitable power supply choice, feel free to explore our models on our LED horticultural power supply page.
- What is the light output in µmol/s/W of the FLEX20 at 20W, and what is the optimal illuminated area in foot-lamberts (flo) to maximize growth and flowering production?
The light output of the FLEX20 at 20W, although not officially communicated, can be estimated around 2.6 µmol/s/W, based on the performance close to the FLEX II-20 model. This means it produces about 52 µmol/s of photons useful for photosynthesis.
For the optimal illuminated area, the FLEX20 has a radiation angle of 90°, ideal for concentrating light on a targeted area. However, there are no precise data in foot-lamberts (flo) for this model. In practice, this power will suit a reduced area, typically around 0.1 to 0.2 m², to ensure a good balance in growth and flowering.
For needs on larger surfaces or more intensity, our horticultural LED panels offer suitable options, perfectly calibrated to maximize production.
- Integrable with the main voice assistants for remote control? Can the temperature and ambient humidity be monitored through a compatible system? How to automate watering and lighting management with this model for optimal indoor cultivation?
The FLEX20 is a simple linear LED horticultural lamp, with no native Wi-Fi or Bluetooth connectivity. Therefore, it does not integrate directly with voice assistants like Alexa or Google Assistant. For remote control via these assistants, you'll need to use a smart plug or a compatible relay.
Regarding monitoring temperature and humidity, this model does not have built-in sensors. However, you can easily associate external sensors (such as Inkbird, Xiaomi Aqara, or Netatmo) with a home automation system to track and adjust the growing environment.
To automate watering and lighting management, use external controllers: a timer or smart plug to schedule the FLEX20's lighting times, and an automatic watering system controlled by a connected controller with soil moisture sensors. A centralized home automation solution allows synchronization of these elements for optimal and tailored management of indoor growing conditions.
If you want, I can advise you on additional modules and equipment to complement your setup with the FLEX20.
- Can the SANlight FLEX20 be effectively used in SCROG with LST under LED, and if so, what optimal intensity do you recommend for a 60x60 cm area during flowering?
The SANlight FLEX20 can definitely be used in SCROG with LST under LED. Its power of 20W and 90° angle provide good compactness and focus for indoor cultivation. For a 60x60 cm area during flowering, it is preferable to use several units to ensure homogeneous coverage and sufficient light penetration.
Regarding the optimal intensity, a range of 300 to 400 µmol/m²/s is recommended to maximize flowering, while considering the distance between the panel and the foliage. Without precise data on the exact light flux of the FLEX20, adjusting the number of panels and their height remains key to achieving this intensity and avoiding shadow areas.
For precise management under SCROG, it may be interesting to combine the FLEX20 with an intensity control system or consider slightly more powerful lighting to ensure uniformity in your 60x60 cm space.
- Can the vertical placement of the FLEX20 be optimized to maximize light penetration in SCROG while avoiding leaf burn under 20W?
The FLEX20 - Compact Linear Horticultural Lighting - 20W adapts very well to SCROG cultivation to maximize light penetration thanks to its linear format and full spectrum. For effective vertical placement, it is recommended to position it along the SCROG structure while maintaining a 90° angle, which promotes an even distribution of light over the plant canopy.
The low power of 20W greatly limits the risk of burning, but to preserve leaf health, place the FLEX20 at a distance of 15 to 30 cm from the top of the plants. Avoid any prolonged direct contact and, if necessary, use multiple modules to evenly cover the canopy without creating hot spots.
This precise management of positioning will allow you to fully exploit the potential of the FLEX20 in SCROG, providing effective light and healthy cultivation, even across multiple levels or lines.
- Is the FLEX20 with its 20W sufficient as the main lighting for an area of 0.5m2 or is it better to use it as supplemental lighting during flowering?
The FLEX20 20W is a high-performance and compact lighting solution, perfectly suited for growth and germination on small surfaces. For 0.5 m², it will provide adequate light intensity for these phases, but its power remains limited for optimal flowering.
For flowering, which requires higher intensity (generally 50-100 W/m²), the FLEX20 will be more useful as supplemental lighting than as a main source. It will provide a full spectrum ideal for enhancing your main lamps and improving flowering quality.
In summary, for 0.5 m², it is preferable to use more powerful lighting for flowering and reserve the FLEX20 as an effective supplement or for the early stages of growth.
- What is the maximum recommended area for this FLEX20 LED lighting in hydroponics?
The FLEX20 - Compact 20W Linear LED Horticultural Light is ideal for targeted lighting in small spaces, especially during the flowering phase. In hydroponics, its maximum recommended coverage area is generally around 0.3 to 0.5 m², considering its 90° beam angle and the light intensity necessary to optimize growth.
For a larger area, it is preferable to combine multiple units or consider a more powerful LED panel to ensure uniform and effective light across the entire crop.
- Can the FLEX20 20W be sufficient as the main lighting for a 40x40 cm grow box during the growing phase?
The FLEX20 20W is perfectly suited as the main lighting for a 40x40 cm grow box during the growing phase. Its power of 20W, equivalent to a 30W HPS/MH lamp, combined with its 90° light distribution angle, ensures optimal light coverage over this small area.
Its full spectrum is designed to promote good vegetative development, particularly effective for young plants and their leaf mass. With proper installation, especially at the right height, it will provide sufficient light intensity to support healthy and vigorous growth without overheating.
- Compatible with standard 24V DC power supply for home automation integration? Remote temperature and humidity monitoring possible with this model? 90-degree light angle optimal for vertical or horizontal cultivation?
The FLEX20 generally operates on a 24V DC voltage, which is compatible with standard power supplies for home automation integration, but it is advisable to check the exact specifications to ensure this compatibility.
Regarding the monitoring of temperature and humidity, this model does not have built-in sensors; an external monitoring system is necessary for this type of control.
Finally, with a light angle of 90 degrees, the FLEX20 offers targeted lighting that can suit vertical or horizontal cultivation, depending on your setup and the specific needs of your plants.
- What is the light yield in µmol/J of the FLEX20 at 20W to optimize g/Watt in cultivation?
The precise light yield in µmol/J of the FLEX20 – Compact Linear LED Horticultural Lighting – 20 W is not officially communicated in the available information. For this type of 20W compact horticultural LED, an efficiency between 2.0 and 2.8 µmol/J can generally be estimated, which is typical for quality LED fixtures for indoor cultivation. This estimate reliably optimizes the g/Watt ratio in cultivation, even though it is not a specific value for the FLEX20.
- Is the FLEX20 compatible with standard power supplies or is a specific SANlight power supply required to ensure performance and lifespan?
The FLEX20 is designed to work with a suitable DC power supply (20 W). While standard power supplies may be adequate, the use of a specific SANlight power supply is recommended to ensure optimal performance and extend the lifespan of the LED panel. This type of power supply provides stable voltage and flawless operation without risk of damage.
- Can the FLEX20 clearly boost flowering as a supplement to a main lamp without consuming too much energy?The FLEX20 is an excellent supplementary light to boost flowering by precisely targeting the areas that need it. With its full spectrum and 90° angle, it effectively supports flower development without replacing your main lamp. Moreover, with only 20W, it consumes very little energy, making it a wise choice for enhancing flowering while keeping electricity consumption in check.
- How does the FLEX20 connect without built-in power supply, and what power supply do you recommend for automated lighting management?
The FLEX20 requires an external constant voltage power supply of 48V DC to operate. Simply connect its cable to the 48V DC output of a suitable driver, which is plugged into the 220V mains. Be careful never to connect the FLEX20 directly to 220V or a non-compliant power supply, as this could damage the module.
For automated lighting management, we recommend a 48V DC power supply of at least 20W, compatible with a timer or home automation system. Although the FLEX20 is not dimmable, this type of power supply will allow you to turn your lighting on and off according to defined time slots, perfect for optimizing your growing cycles without manual intervention.
Choosing a reliable driver with an external control input ensures precise and secure control of your horticultural setup.
- How to connect and integrate the FLEX20 into an automated system with schedule management and sensors to optimize consumption and growth?
The FLEX20, due to its compact and efficient design, integrates perfectly into an automated system via a connected plug or a programmable timer to precisely manage light cycles.
To optimize growth and consumption, pair it with external temperature and humidity sensors, connected to a home automation solution (like Home Assistant or SmartThings). This platform will automatically control lighting, ventilation, and watering based on environmental readings.
In summary, connect the FLEX20 to a connected plug, install compatible sensors, and centralize control via a home automation platform. This synergy ensures lighting is tailored to your plants' needs while managing energy consumption.
- What minimal power supply is needed to optimize the output of the SANlight FLEX20 in micro-cultivation of 20W?
To optimize the output of the SANlight FLEX20 20W in micro-cultivation, it is essential to use a 48V DC constant voltage power supply. This type of power supply ensures a stable current essential for the FLEX20 to operate at full power without fluctuation, as this luminaire is not dimmable.
Selecting a certified power supply suitable for this voltage allows you to fully utilize the high luminous efficiency of this compact system while ensuring its safety and durability.
If you are looking for an appropriate power supply, we offer in our catalog of horticultural power supplies models that meet these criteria.
- What is the optimal area that the Sanlight Flex20 can cover in supplemental lighting for a multi-variety cultivation in the same room to ensure uniform light distribution without stress for the plants?
The FLEX20 - Compact Linear Horticultural Lighting - 20W is ideal for supplemental lighting for multi-variety cultivation due to its 90° wide beam lens, ensuring uniform and stress-free light. Each lamp covers approximately 0.3 to 0.5 m², with a homogeneous rectangular distribution.
For optimal distribution, it is recommended to install multiple units connected via T-connectors to adapt the coverage to the total area and plant diversity. This system is particularly effective in multilayer or interlighting setups, ensuring consistent lighting across the entire cultivated area.
This installation flexibility allows you to provide your plants with precise supplemental lighting, promoting their balanced growth in the same room.
- What is the exact distribution of the light spectrum of the FLEX20 in luminosity per wavelength, and does this spectrum effectively cover the lumen needs of plants in the flowering phase under LED?The FLEX20 offers a complete light spectrum specially designed for the growth of young plants and vegetative development, integrating the main wavelengths necessary for photosynthesis, notably blue and red. However, no precise distribution in luminosity per wavelength is publicly available.
With a photosynthetically active photon flux of 52 µmol/s at 20W, it provides concentrated light intensity suitable for a small area (0.1 to 0.2 m²). This well-calibrated spectrum is effective for growth and can accompany flowering, but for a flowering phase that is more demanding in red light (600-700 nm) and intensity, it is rather recommended for small areas and moderate use.
In summary, the FLEX20 adequately covers the light needs for growth and may be suitable for flowering in small areas, but it does not provide power or a spectrum specially optimized for intensive flowering. For more developed flowering, lighting with a spectrum rich in red and a higher PPF would be preferable.
- Can the flex20 20W be used alone for a full cycle cultivation or only as supplementary lighting during flowering?The FLEX20 20W offers a full spectrum suitable for all growing phases, from growth to flowering. However, its modest power (about 48-52 µmol/s) makes it more suitable for supplementary lighting or a very small area (0.1 to 0.2 m²).
It can technically serve for a complete cycle in a very small space or for young plants, but it is not ideal as the main source for comprehensive cultivation. For an effective full cycle, a more powerful lamp covering a larger area would be preferable.
- Can I easily combine several FLEX20 units to cover a larger area without overloading my electrical installation?It is entirely possible to combine several FLEX20 - Compact 20W Linear LED Horticultural Lighting units to cover a larger area, provided that you properly manage the total power consumed so as not to exceed the capacity of your electrical installation.
Make sure your power supply delivers the appropriate voltage (generally 24V for this type of LED) and that the power system can support the number of connected units. Using a suitable controller or power supply that can drive multiple strips ensures safety and performance without overloading.
This modularity is typical of compact linear LED lighting, allowing you to adjust the lighting based on the size of your cultivation without compromising electrical stability.
- FLEX20 20W delivered without power supply which model do you recommend for a small space 60x60?
The FLEX20 20W requires an external power supply of 48V DC, with a minimum power of 20W for simple use. For a space of 60x60 cm, this type of power supply ensures effective and stable lighting.
We recommend opting for a SANlight 48V driver specially designed for the FLEX20. This driver ensures a constant voltage, protects the LEDs from damage, and extends the lifespan of your lighting. If you plan to use multiple FLEX20s, consider a power supply of 40W or more.
Important: never connect the FLEX20 directly to a 220V socket without the appropriate driver.
This solution optimizes light performance for your indoor crops while ensuring minimal consumption.
- What compact and efficient power supply do you recommend to drive the FLEX20 20W LED in a micro grow space without overheating?
To drive the horticultural LED FLEX20 - 20W in a micro grow space, it is essential to use a compact and efficient power supply delivering a constant voltage of 48V DC. We particularly recommend a specific SANlight power supply designed for this type of LED panel. This choice ensures a stable voltage, limits heat dissipation, and protects your lighting from potential damage related to an unsuitable power supply.
This custom power supply ensures optimal operation, low heating, and discreet installation, ideal for small cultivation volumes. Absolutely avoid using a standard power supply or plugging the FLEX20 directly into the 220V mains, as this may irreparably damage your equipment.
- Does the floaible unite flex20 20w require a specific driver or can a universal power supply be used? Can multiple modules be coupled without significant power drop?
The FLEX20 - Compact Linear Horticultural LED Lighting 20W requires a specific driver providing a constant voltage of 48V DC. A universal 220V power supply should not be used directly, as it may damage the LED module.
To couple multiple FLEX20 modules, it is essential to have a power supply capable of providing the total required power (for example, 40W for two modules) to avoid a noticeable power drop. Simple series connections are not recommended; it is better to use an appropriate power supply and accessories such as specific connectors to ensure stable voltage and optimal performance.
An appropriate power supply, such as those offered for this range, ensures stability, safety, and longevity for your LED panels.
- What is the recommended maximum power to supply several FLEX20 in series to ensure uniform lighting without overheating or loss of efficiency?
To power several FLEX20 - Compact Linear Horticultural Lighting - 20W in series, it is recommended not to exceed a total power of about 100W per power supply, which is approximately 5 modules. This ensures uniform lighting, with no risk of overheating or loss of efficiency, as long as a stabilized and suitable power supply is used, sized for the total load.
Beyond that, it is better to spread the units across multiple power supplies or opt for a specific power supply capable of handling a larger power, while ensuring good thermal dissipation and controlled ambient temperature.
- Is the FLEX20 compatible with a standard 12V power supply or does it absolutely require a specific brand power supply for optimal operation?
The FLEX20 - Compact Linear Horticultural Lighting - 20W is not compatible with a standard 12V power supply. It requires a constant voltage power supply of 24 V DC to operate stably and optimally.
Using a 12V power supply will not deliver the required voltage, which can lead to insufficient performance and even risks to the equipment. To ensure the best durability and efficiency, it is advisable to opt for a specific 24V DC power supply, usually provided or certified by the manufacturer.
This requirement ensures stable current, optimal safety, and increased longevity of your horticultural lighting.
- What are the criteria for correctly sizing the number of FLEX20 required based on the cultivation area and the growth stage of the plants?
To correctly size the number of FLEX20 – 20 W according to your area and the growth stage, here are the keys:
- Measure the surface to be illuminated precisely in m².
- Determine the required light intensity based on the stage:
- Germination: 100-200 µmol/m²/s
- Vegetative growth: 200-400 µmol/m²/s
- Flowering/fruiting: 400-600 µmol/m²/s
- Calculate the total light power needed (area × intensity in µmol/m²/s).
- Divide this need by the light flux of a FLEX20 (approximately 350 µmol/s) to obtain the number of fixtures.
- Ensure to distribute the lamps evenly and adjust the installation height for homogeneous coverage.
For example, for 10 m² in the growth phase at 300 µmol/m²/s, count about 9 FLEX20.
Feel free to share your precise data for a personalized calculation. This approach ensures perfectly adapted light for your crops, from the simplest herb to the most demanding plant.
- Does the FLEX20 work with all standard LED power supplies or does it require a specific power supply?
The FLEX20 requires a 48V DC constant voltage external power supply to function properly. It is not compatible with all standard LED power supplies, and it should never be connected directly to 220V or an unsuitable power supply, as this could damage it.
To ensure safety and performance, it is strongly recommended to use a specific SANlight power supply designed for this model. This dedicated power supply ensures a stable voltage and optimal operation of the LED panel.
- What is the ideal distance between the FLEX20 and a canopy in SCROG to optimize light penetration without burning the leaves under 20W in full spectrum?
To optimize the light penetration of the FLEX20 - Compact Linear LED Horticultural Lighting - 20W in SCROG cultivation, it is recommended to position it at a distance between 15 and 30 cm above the canopy. This range ensures effective lighting without the risk of leaf burn, thanks to the low power of 20W and the full spectrum suitable for all growth phases.
The linear format of the FLEX20 is perfectly suited for SCROG: ideally place it along the structure and perpendicular (90° angle) for even coverage, thus maximizing light penetration without hot spots.
If the surface area is large, do not hesitate to combine several modules for uniform lighting and optimal light intensity, around 300 to 400 µmol/m²/s, promoting rich and balanced flowering.
