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Energizer 18W LED GLS Bulb E27 2700K Warm White - 2542lm Non-Dimmable

£299
The RRP is the manufacturer's recommended retail price of the item.
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Description

The Energizer 18W LED GLS bulb is a high-output E27 fitting delivering 2542 lumens at 2700K warm white. The GLS (general lighting service) shape matches the profile of traditional incandescent bulbs, making it a direct replacement for 150W incandescent fittings in table lamps, ceiling pendants and wall lights that take an Edison screw base.

Designed for residential living rooms, bedrooms and dining rooms where ambient light levels need to match or exceed older incandescent installations, the 2542 lumen output provides substantial brightness across medium to large rooms. The 2700K colour temperature sits at the warm end of the white spectrum, giving a soft yellowish tone similar to tungsten filament bulbs. The bulb is non-dimmable and should not be paired with dimmer switches.

The rated lifespan of 15 years assumes an average usage of 2.7 hours per day, reducing replacement frequency compared to halogen or incandescent alternatives. The 60mm diameter and 128mm height fit standard lamp holders and shades designed for GLS bulbs. The energy rating of D reflects current EU/UK LED standards where the most efficient LEDs sit in classes A-C, with D representing mid-tier efficiency for this output level.

Specification
Width (mm) 60
Height (mm) 128
Depth (mm) 60
Wattage 18W
Lumen 2452lm
Lamp Shape GLS
Lamp Base E27
Energy Rating D
Kelvin 2,700K
Colour Temperature Warm White
Dimmable No
LED or Halogen LED
Frequently Asked

Can this bulb be used with a dimmer switch?

No. The bulb is non-dimmable and should not be fitted to circuits controlled by dimmer switches. Using it with a dimmer may cause flickering, buzzing or premature failure. For dimmable E27 LED bulbs, search Niori for models marked as dimmable.

What incandescent wattage does this replace?

The 18W LED output of 2542 lumens is marketed as a 150W incandescent replacement. In practice, older 150W tungsten bulbs produced around 2500-2600 lumens, so the light output is comparable.

How long does the 15-year lifespan last in real use?

The 15-year rating assumes an average of 2.7 hours of use per day. If used for longer periods daily, the absolute lifespan in years will be shorter, but the total hours of operation remain the same (approximately 15,000 hours).

Will it fit in a standard lampshade designed for traditional bulbs?

Yes. The 60mm diameter and 128mm height match the GLS bulb profile, so it fits lamp holders and shades designed for traditional incandescent or CFL GLS bulbs with E27 bases.

Shipping & Returns

Delivery UK delivery is £14.99, and delivery is free on all orders of £99 or more, in the UK and internationally.

Returns If you change your mind, you have 14 days from delivery to tell us, and a further 14 days to send the goods back. Return postage for a change-of-mind return is paid by you. Change-of-mind returns are subject to an inspection and handling deduction. See our full returns policy.

To arrange a return, call us on 020 8149 5199 or use our contact page.

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Takes standard bulbs

Takes standard E27 bulbs, so you choose the brightness and colour to suit the room.

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Free delivery on orders over £99, in the UK and worldwide. Easy returns within 14 days, subject to our returns policy. Full manufacturer warranty included.

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Description

The Energizer 18W LED GLS bulb is a high-output E27 fitting delivering 2542 lumens at 2700K warm white. The GLS (general lighting service) shape matches the profile of traditional incandescent bulbs, making it a direct replacement for 150W incandescent fittings in table lamps, ceiling pendants and wall lights that take an Edison screw base.

Designed for residential living rooms, bedrooms and dining rooms where ambient light levels need to match or exceed older incandescent installations, the 2542 lumen output provides substantial brightness across medium to large rooms. The 2700K colour temperature sits at the warm end of the white spectrum, giving a soft yellowish tone similar to tungsten filament bulbs. The bulb is non-dimmable and should not be paired with dimmer switches.

The rated lifespan of 15 years assumes an average usage of 2.7 hours per day, reducing replacement frequency compared to halogen or incandescent alternatives. The 60mm diameter and 128mm height fit standard lamp holders and shades designed for GLS bulbs. The energy rating of D reflects current EU/UK LED standards where the most efficient LEDs sit in classes A-C, with D representing mid-tier efficiency for this output level.

Specification
Width (mm) 60
Height (mm) 128
Depth (mm) 60
Wattage 18W
Lumen 2452lm
Lamp Shape GLS
Lamp Base E27
Energy Rating D
Kelvin 2,700K
Colour Temperature Warm White
Dimmable No
LED or Halogen LED
Frequently Asked

Can this bulb be used with a dimmer switch?

No. The bulb is non-dimmable and should not be fitted to circuits controlled by dimmer switches. Using it with a dimmer may cause flickering, buzzing or premature failure. For dimmable E27 LED bulbs, search Niori for models marked as dimmable.

What incandescent wattage does this replace?

The 18W LED output of 2542 lumens is marketed as a 150W incandescent replacement. In practice, older 150W tungsten bulbs produced around 2500-2600 lumens, so the light output is comparable.

How long does the 15-year lifespan last in real use?

The 15-year rating assumes an average of 2.7 hours of use per day. If used for longer periods daily, the absolute lifespan in years will be shorter, but the total hours of operation remain the same (approximately 15,000 hours).

Will it fit in a standard lampshade designed for traditional bulbs?

Yes. The 60mm diameter and 128mm height match the GLS bulb profile, so it fits lamp holders and shades designed for traditional incandescent or CFL GLS bulbs with E27 bases.

Shipping & Returns

Delivery UK delivery is £14.99, and delivery is free on all orders of £99 or more, in the UK and internationally.

Returns If you change your mind, you have 14 days from delivery to tell us, and a further 14 days to send the goods back. Return postage for a change-of-mind return is paid by you. Change-of-mind returns are subject to an inspection and handling deduction. See our full returns policy.

To arrange a return, call us on 020 8149 5199 or use our contact page.