GY E27 LED Bulb 8W 1521lm – True 100W Replacement, Energy Class B

Good lighting should not come at the cost of high electricity bills. The GY E27 LED Bulb 8W delivers genuine 100W brightness, real European Class B efficiency and a shatterproof build that holds up in any environment. Whether for home, office or commercial use, this bulb is engineered to perform and save from day one.

Genuine Brightness

This Energy Class B LED Bulb produces 1521 lumens using only 8 watts, replacing a 100W incandescent or halogen bulb while cutting electricity consumption by up to 92%. With a luminous efficacy of 190.125 lm/W, it outperforms standard Class F bulbs that falsely claim the same brightness but deliver far less.

Flicker-Free & Eye-Friendly

The GY E27 energy saving bulb provides stable, flicker-free illumination, reducing eye strain, fatigue and headaches during long hours of use. Ideal for offices, study rooms, reading areas and anywhere that demands consistent, comfortable light quality.

Three Color Temperatures for Every Space

•      3000K Warm White: Relaxing, cozy light for living rooms, bedrooms and dining areas

•      4000K Neutral White: Clear, natural light for kitchens, offices and study rooms

•      6500K Cool White: Bright daylight for garages, workshops and commercial spaces

30,000 Hours Long Lifespan

Rated for up to 30,000 hours, this bulb lasts approximately 10 years at 8 hours per day. It drastically reduces replacement frequency and maintenance costs for both households and commercial properties.

Coverage included in your warranty:

•      Defects in quality that are identified upon delivery even prior to the product being used are fully covered.

•      At GY's discretion, any defective product will either be repaired or replaced at no additional cost.

What this warranty will not cover:

Damage that stems from neglect, improper use, routine deterioration, unexpected accidents, or deliberate human-caused harm is not included under this warranty.

Key Specifications

Customer Reviews

- Really satisfied with the brightness. One bulb lights up the entire room perfectly. Great value for money. — Arleen Purdy ⭐⭐⭐⭐⭐

- They are quite good. I have tested them and they give good light. — Denisha Lubowitz ⭐⭐⭐⭐⭐

- Received well, I really like this brand for its energy efficiency. — Arleen Purdy ⭐⭐⭐⭐⭐

Certifications

GY E27 LED Bulb 8W is certified with CE, RoHS, UKCA and GRS, fully compliant with EU and UK standards.

Quantity Correction

Instead of guessing, lighting was calculated based on 300 m² and 150 lux target. The result suggested around 101 bulbs, while the initial plan was 80 units. This showed that space and lumen planning must come before product selection.

Why is the GY E27 LED 8W the Best Choice ?

FAQ

Does this 8W LED truly replace a 100W bulb?

Yes. It produces 1521 lumens, equivalent to a traditional 100W incandescent or halogen bulb, while consuming only 8 watts of power.

What does Energy Class B mean?

Energy Class B is a high-efficiency rating under European EU ErP standards. It means this bulb delivers more lumens per watt than the majority of LED bulbs on the market.

Is this bulb safe for home use?

Yes. It is mercury-free, produces no UV radiation and runs at low heat, making it safe for households with children and pets.

How long can this bulb last?

Up to 30,000 hours, approximately 10 years with 8 hours of daily use.

Why is the shatterproof shell important?

The recycled polymer shell withstands drops and transit vibration without breaking. It is ideal for renovation sites, garages, storage rooms and any location where glass bulbs frequently break.

Final Verdict

The GY E27 LED Bulb 8W delivers honest 100W brightness, European Class B efficiency, a shatterproof build and 30,000 hours of reliable service. It is the smart long-term investment for households, landlords and businesses looking to cut electricity costs without compromising on light quality.

Shop the best E27 LED bulb now at GY Store. Need help choosing the right bulb? Contact our lighting experts for free support.

Author & Verification

Patent No - 201721450338.2

This article was partially AI‑generated and fully fact‑checked, edited, and verified by Haiming Yu (Chief Optical Engineer, GY LEDs, 10+ years LED R&D). linkedin . All product data, test results, and customer reviews are original and validated.