# SANSI 15W Full Spectrum A19 Grow Light Bulb | 4000K Daylight, ETL Listed, 25,000 Hour Lifespan **Brand:** SANSI **SKU:** jac3638 **ASIN:** B01NCVWFUE **Canonical URL:** https://crowcrowcrow.com/p/sansi-grow-lights-indoor-plants-15w-full-spectrum-a19-light-bulb/jac3638 **Category:** home-kitchen **Subcategory:** Categories **Availability:** in_stock **Price (INR, all-inclusive):** ₹2,410 **Discount:** 7% **Customer rating:** 4.60/5 from 1,459 ratings ## Description SANSI 15W Full Spectrum A19 Grow Light Bulb offers 4000K daylight, mimicking natural light for all plant growth stages. ETL listed with a 25,000-hour lifespan, it uses patented COC technology for high efficiency. Imported from USA, duties included, arrives in 6-8 days. ## Highlights - Full Spectrum 4000K Daylight — Mimics natural sunlight across 400-780nm, ideal for all plant growth stages, promoting faster growth and better yields. High CRI near 100 ensures accurate light representation. - 25,000 Hour Lifespan — Patented Chip on Ceramic (COC) technology enhances heat dissipation and reliability, extending bulb life significantly. This means fewer replacements and consistent light for your plants over years. - Enhanced Light Utilization — Secondary optical lens design scientifically distributes light, increasing PPFD to 152.83µmol/s/m² at 1 foot. This ensures plants receive more usable light, boosting growth efficiency. - Safe & Durable Ceramic Build — Made from V0 flame-retardant ceramic with WF2 anti-corrosion rating. Reinforced insulation and low heat radiation prevent burns, ensuring safe operation for plants and users. ## Key features - 4000K DAYLIGHT: Imitate the solar spectrum, customize a more ideal full life cycle full spectrum supplementary light program, covering the entire visible spectrum of 400nm-780nm; Color rendering index Ra is close to 100, infinitely close to natural light, suitable for every cycle of plant growth, effectively promotes plant growth, and improves crop yield and quality - SECONDARY OPTICAL DESIGN: PPF: 27umol/s, PPFD:152.83μmol/s/m² @1FT: . Through the lens for secondary scientific light distribution, improve light utilization, give plants more supplementary light, and improve the light bulb lifespan to 25,000 hours - PATENTED COC TECHNOLOGY: Chip on Ceramic, SANSI's patented technology replaces the traditional Mcpcb aluminum substrate with a non-conductive ceramic heat sink, and directly solders the LED chip on the ceramic heat sink, effectively reducing the system thermal resistance between the LED PN junction and the surface of the heat sink, resulting in faster heat conduction and higher product reliability, makes the SANSI bulb has higher light efficiency - SAFE & RELIABLE: The lamp body is made of special ceramic material, and the flame retardant grade reaches V0; the reinforced insulation structure design, no risk of electric shock, is safer; the whole shell material reaches the WF2 anti-corrosion grade, which is more reliable; low IR, less heat radiation, avoiding close Distance exposure burns plants - GUARANTEES: ETL listed, quality and safety verified, 5-year protection plan ## Why choose this product **Advanced Horticultural Lighting Science** — SANSI's 15W A19 grow bulb leverages patented Chip on Ceramic (COC) technology for superior heat management and light efficiency. Its full spectrum 4000K daylight output, with a high Color Rendering Index (Ra) close to 100, precisely mimics natural sunlight across the 400-780nm range. This advanced design supports all plant growth phases, from germination to flowering, ensuring optimal development and improved yields. The secondary optical lens design further enhances light utilization, delivering a PPFD of 152.83µmol/s/m² at 1 foot, providing plants with more effective light energy. ETL listed, this bulb is built for reliability and safety, offering a scientifically advanced solution for indoor gardening. **Ideal for Indian Indoor Gardens, Not for Specialized Hydroponics** — This bulb is perfect for home gardeners in India looking to supplement natural light for houseplants, seedlings, or herbs. Its 4000K full spectrum is versatile for vegetative and flowering stages. However, it's not designed for high-intensity hydroponic systems requiring specific red/blue ratios or very high PPFD outputs. If you need specialized lighting for commercial-scale hydroponics or advanced horticultural setups, consider dedicated horticultural fixtures. For general indoor plant care and supplemental lighting, this SANSI bulb offers excellent performance and value. ## How to use 1. Check Voltage Compatibility 2. Install the Bulb 3. Position and Light Your Plants ## Product details | Field | Value | |---|---| | Light Spectrum | Full Spectrum (400nm-780nm) | | PPF | 27 µmol/s | | PPFD @1FT | 152.83 µmol/s/m² | | Heat Radiation | Low IR | | Usage | Indoor Plants, Seedlings, Greenhouses | | Application | Supplemental Lighting | | Operating Life | 25,000 Hours | | Cost per use | 25,000 hours at ₹2,410 — ₹0.096 per hour | | Shelf life after opening | N/A (Durable) | | Reapplication math | N/A (Durable) | | Contraindications | Not suitable for high-intensity hydroponic systems requiring specific red/blue ratios or very high PPFD outputs. | | Allergens / common irritants | None | | Brand | SANSI | | Model Number | C21GL-DE26-15W | | Shape Size | A19 | | Base Type | E26 | | Color | White | | Pattern | Solid | | Material | Ceramic | | Voltage | 110V (AC 90-132V) | | Wattage | 15W | | Incandescent Equivalent | 200W | | Lumens | 1050 lm | | Color Temperature | 4000K Daylight | | Color Rendering Index (CRI) | 95 | | Beam Angle | 60 degrees | | Lifespan | 25,000 Hours | | Dimensions | 3.39 x 3.39 x 3.9 inches (8.6 x 8.6 x 9.9 cm) | | Weight | 0.141 kg (4.97 oz) | | Certifications | ETL Listed, V0 Flame Retardant, WF2 Anti-Corrosion | | Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers | ## Frequently asked questions ### Will a US grow light bulb work in an Indian light socket? US screw-base grow bulbs like this SANSI A19 (E26 base) generally thread into Indian E27 holders. Crucially, check the voltage rating; this bulb is rated for 110V (AC 90-132V), which is NOT compatible with standard Indian 220-240V mains. You will need a voltage converter for safe operation in India. Ensure the converter is rated for at least 15W. ### What spectrum should I choose for starting seeds and growing indoor plants? For starting seeds and general indoor plant growth, a full-spectrum grow bulb like this SANSI 4000K daylight model is ideal. It covers the entire 400nm-780nm range, mimicking natural sunlight to support all growth stages, from vegetative to flowering. This versatility makes it suitable for a wide variety of indoor plants. ### How long will the SANSI 15W grow light bulb last? The SANSI 15W Full Spectrum A19 Grow Light Bulb is designed for longevity, boasting an impressive lifespan of 25,000 hours. This is achieved through its patented Chip on Ceramic (COC) technology, which enhances heat dissipation and overall product reliability, ensuring consistent performance for years. ### Is this SANSI grow light bulb safe for my plants? Yes, the SANSI grow light bulb is designed with plant safety in mind. It's constructed from special ceramic material with a V0 flame retardant grade and WF2 anti-corrosion rating. Its reinforced insulation structure prevents electric shock, and low IR heat radiation minimizes the risk of burning plants, even at close distances. ### How to choose a grow light for indoor plants in India? When choosing a grow light for India, prioritize full-spectrum bulbs with a suitable color temperature (like 4000K daylight) for versatile growth. Ensure the bulb's voltage rating is compatible with Indian mains (220-240V) or use a reliable voltage converter. Look for energy efficiency, a long lifespan (20,000+ hours), and safety certifications like ETL. Consider the coverage area and PPFD for your specific plant needs. ### What is the best grow light for indoor plants? The best grow light for indoor plants typically offers a full spectrum that mimics natural sunlight, supporting all growth stages. Look for bulbs with high Color Rendering Index (CRI) and sufficient Photosynthetic Photon Flux Density (PPFD) for effective plant development. Energy efficiency, a long lifespan (20,000+ hours), and safety certifications are also key indicators of a quality grow light. ### Can I use this SANSI grow light bulb daily? Yes, the SANSI 15W Full Spectrum A19 Grow Light Bulb is designed for continuous operation and can be used daily to provide supplemental light for your indoor plants. Its durable ceramic construction and efficient heat dissipation ensure safe and reliable performance, even with extended use. ### What are the benefits of using a full spectrum grow light? Full spectrum grow lights provide a balanced range of wavelengths (400nm-780nm), closely mimicking natural sunlight. This comprehensive light supports all phases of plant growth, from germination and vegetative stages to flowering and fruiting, promoting healthier development, increased yields, and improved plant vitality compared to single-spectrum lights. ## Compliance No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging. ## Images 1. https://images.crowcrowcrow.com/B01NCVWFUE-2.webp 2. https://images.crowcrowcrow.com/B01NCVWFUE-5.webp 3. https://images.crowcrowcrow.com/B01NCVWFUE-8.webp 4. https://images.crowcrowcrow.com/B01NCVWFUE-11.webp 5. https://images.crowcrowcrow.com/B01NCVWFUE-14.webp 6. https://images.crowcrowcrow.com/B01NCVWFUE-17.webp --- Source: https://crowcrowcrow.com/p/sansi-grow-lights-indoor-plants-15w-full-spectrum-a19-light-bulb/jac3638 Returns: 14 days, free pickup, full refund on genuine issues. Shipping: Free across India, 6-8 days. Prices are all-inclusive (duties + GST).