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Key Features
- Super Bright: SANSI's 10,000 lumens LED light bulb using only 65 watts of power, equivalent to 650W incandescent bulbs. Recently, it is the brightest LED bulb on the market. (Notice: SANSI A21 65W LED light bulb is in diameter (3.07 inch) larger than standard A21 size bulbs. Please check if the bulb size fits your light fixture before making a purchase.
- Wide 270° Beam Angle: SANSI A21 65W LED light bulb with wider 270° lighting angle makes it possible to light up every dark corner of your workplace.
- Patented Ceramic Technology: SANSI's patented technology replaces the traditional Mcpcb aluminum substrate with a non-conductive ceramic heat sink, directly soldering the LED chip on the ceramic heat sink, effectively reducing the systematic thermal resistance between the LED PN junction and the surface of the heat sink, resulting in faster heat conduction and higher product reliability, making SANSI's bulbs perform with higher light efficiency.
- Safe and Reliable: The lamp body is made of special ceramic material, and the flame retardant grade reaches grade V0. The reinforced insulation structure means no risk of electric shock, its safer. The whole shell material reaches the WF2 anti-corrosion grade, which is more reliable. The hollow design is good for heat dissipation.
- Guarantees: ETL listed, quality and safety verified, 22.5 years LED bulb lifespan, 5 years service assistance.
Returns
If you're unhappy with your purchase, we'll find a solution for you. Most of our products can be returned within 30 days. Returns will be refunded to the original payment method or as a store credit. We do our best to make you comfortable, because let's face it, you're the best.
For more information, please visit Return Policy.
In stock! Ships within 1-2 business days.
30-day risk-free trial
5-Year warranty
Free US CA shipping

A21 65 W LED 5000 K Glühbirne (NUR USA)
A Spectrum of Superior Light.
Unveiling layers of illumination you've never perceived before, our LED bulbs transform your space into a realm of unparalleled brightness and clarity. Every tone, every transition, every subtle shade is enhanced, elevating your visual experience into the sensation of natural daylight.
Crafted with meticulous precision, this isn't just another LED bulb. It's an optical revelation that redefines what premium lighting feels like.
Why Choose SANSI LED Bulbs?

Patented Ceramic Tech
SANSI's patented technology replaces the traditional Mcpcb aluminum substrate with a non-conductive ceramic heat sink, directly soldering 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, making SANSI's bulbs perform with higher light efficiency.

Adaptive Control Technology
The same type of products on the market cannot be used inside enclosed luminaires, at this may cause damage to the light source or luminaire due to high temperatures. But SANSI with adaptive control technology, which is suitable for installation inside enclosed luminaires.
Brighten Every Corner.

Long-Lasting Light, Less Energy.

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