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Energizer 4.2W GU10 LED Bulb Warm White 3000K - 2 Pack

£199
The RRP is the manufacturer's recommended retail price of the item.
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Description

The Energizer 4.2W GU10 LED bulb produces 345 lumens of warm white 3000K light from a standard GU10 twist-and-lock base. Each bulb is rated to replace a traditional 50W halogen spotlight while consuming 91% less power. The twin pack suits kitchens, bathrooms, hallways and living rooms fitted with GU10 downlights or track lighting.

The 3000K colour temperature delivers a warm white tone that sits between soft yellow (2700K) and neutral white (4000K), making it suitable for general residential lighting where a cosy but functional light is needed. The 345-lumen output provides adequate brightness for most downlight applications spaced 1-1.5m apart in a standard 2.4m ceiling height room. The bulbs are non-dimmable and run on 230V mains without requiring a transformer.

Energizer rates these GU10 LEDs at a 10-year lifespan based on 2.7 hours daily use, equating to approximately 10,000 operating hours. The 50mm diameter and 54mm height fit standard GU10 downlight housings without projection beyond the ceiling line. The bulbs operate without flicker once warmed up and produce minimal heat compared to halogen equivalents, reducing cooling load in enclosed downlight fittings.

Specification
Weight (KG) 0.06
Width (mm) 50
Height (mm) 54
Depth (mm) 50
Wattage 4.2W
Lumen 345
Lamp Shape Spot
Lamp Base GU10
Energy Rating F
Kelvin 3,000K
Colour Temperature Warm White
Dimmable No
LED or Halogen LED
Frequently Asked

What wattage halogen bulb does this replace?

The 4.2W LED bulb is rated to replace a 50W halogen GU10 in terms of light output. The 345-lumen output is comparable to most 50W halogen spotlights, though the beam pattern may differ slightly depending on the reflector design.

Are these bulbs dimmable?

No. These GU10 LEDs are non-dimmable and should only be used on standard on/off circuits. Fitting them to a dimmer switch may cause flickering, buzzing or premature failure.

How long do they last?

Energizer rates these bulbs at 10,000 hours, equivalent to around 10 years at 2.7 hours daily use. Actual lifespan depends on operating conditions, with higher ambient temperatures in enclosed downlight housings potentially reducing longevity.

Do they require a transformer?

No. GU10 bulbs run directly on 230V mains and do not require a transformer. If you are replacing halogen GU10s that were previously on mains voltage, these LEDs are a direct swap.

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 GU10 bulbs, so you choose the brightness and colour to suit the room.

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    Description

    The Energizer 4.2W GU10 LED bulb produces 345 lumens of warm white 3000K light from a standard GU10 twist-and-lock base. Each bulb is rated to replace a traditional 50W halogen spotlight while consuming 91% less power. The twin pack suits kitchens, bathrooms, hallways and living rooms fitted with GU10 downlights or track lighting.

    The 3000K colour temperature delivers a warm white tone that sits between soft yellow (2700K) and neutral white (4000K), making it suitable for general residential lighting where a cosy but functional light is needed. The 345-lumen output provides adequate brightness for most downlight applications spaced 1-1.5m apart in a standard 2.4m ceiling height room. The bulbs are non-dimmable and run on 230V mains without requiring a transformer.

    Energizer rates these GU10 LEDs at a 10-year lifespan based on 2.7 hours daily use, equating to approximately 10,000 operating hours. The 50mm diameter and 54mm height fit standard GU10 downlight housings without projection beyond the ceiling line. The bulbs operate without flicker once warmed up and produce minimal heat compared to halogen equivalents, reducing cooling load in enclosed downlight fittings.

    Specification
    Weight (KG) 0.06
    Width (mm) 50
    Height (mm) 54
    Depth (mm) 50
    Wattage 4.2W
    Lumen 345
    Lamp Shape Spot
    Lamp Base GU10
    Energy Rating F
    Kelvin 3,000K
    Colour Temperature Warm White
    Dimmable No
    LED or Halogen LED
    Frequently Asked

    What wattage halogen bulb does this replace?

    The 4.2W LED bulb is rated to replace a 50W halogen GU10 in terms of light output. The 345-lumen output is comparable to most 50W halogen spotlights, though the beam pattern may differ slightly depending on the reflector design.

    Are these bulbs dimmable?

    No. These GU10 LEDs are non-dimmable and should only be used on standard on/off circuits. Fitting them to a dimmer switch may cause flickering, buzzing or premature failure.

    How long do they last?

    Energizer rates these bulbs at 10,000 hours, equivalent to around 10 years at 2.7 hours daily use. Actual lifespan depends on operating conditions, with higher ambient temperatures in enclosed downlight housings potentially reducing longevity.

    Do they require a transformer?

    No. GU10 bulbs run directly on 230V mains and do not require a transformer. If you are replacing halogen GU10s that were previously on mains voltage, these LEDs are a direct swap.

    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.