Eveready 13.8W LED GLS Bulb Daylight E27 6500K 1521lm (2 Pack)

The Eveready 13.8W LED GLS bulb is a direct replacement for traditional 100W incandescent lamps, delivering 1521 lumens of 6500K daylight white light through a standard E27 Edison screw fitting. The GLS (General Lighting Service) shape matches the classic light bulb profile, fitting into table lamps, ceiling pendants and most standard domestic light fittings without adapter rings or modification.

Designed for task-heavy environments where colour accuracy and alertness matter, the 6500K colour temperature produces a crisp, clinical white light that suits kitchens, home offices, garages, workshops and utility rooms. The 200-degree beam angle provides wide coverage without directional hotspots, making the bulb effective in open-plan spaces and rooms where wall-to-wall illumination is needed. The non-dimmable design means the bulb operates at full brightness whenever switched on, which simplifies installation in circuits without dimmer switches.

Each bulb is rated for 10,000 hours of operation, which translates to approximately 10 years at three hours of daily use. The pack contains two bulbs, providing a spare or allowing both to be fitted in a matching pair of table lamps or wall lights. The E energy rating reflects current EU efficiency standards for LED technology in this brightness and wattage category. At 13.8W per bulb, a pair running for three hours daily consumes roughly 30 kWh per year compared to 219 kWh for equivalent 100W incandescents.

What colour temperature is 6500K, and where does it work best?

6500K is classified as daylight white, producing a bright, crisp, slightly blue-toned light that mimics midday sunlight. It suits task-focused spaces like home offices, kitchens, garages and workshops where colour accuracy and alertness are priorities. For relaxed living spaces like bedrooms or lounges, a warmer 2700K-3000K bulb is typically more comfortable.

Can these bulbs be used with dimmer switches?

No. These bulbs are non-dimmable and must be used on standard on/off switches. Fitting them to a dimmer circuit may cause flickering, buzzing, or failure to illuminate, and can shorten the bulb's lifespan.

What does the E27 fitting mean?

E27 is the standard Edison screw base used in most UK and European domestic light fittings. The '27' refers to the 27mm diameter of the threaded metal base. If your existing bulb screws in (rather than pushing and twisting like a bayonet), it's likely E27.

How long do these bulbs last?

Each bulb is rated for 10,000 hours of operation. At typical domestic use of three hours per day, that equates to approximately 10 years before the bulb needs replacing.