{"product_id":"energizer-4-2w-g9-led-capsule-bulb-470lm-4000k-cool-white-non-dimmable","title":"Energizer 4.2W G9 LED Capsule Bulb 470lm 4000K Cool White Non-Dimmable","description":"\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cp\u003eThe Energizer 4.2W G9 LED capsule bulb produces 470 lumens at 4000K cool white colour temperature, serving as a direct replacement for traditional 40W halogen G9 bulbs while consuming approximately 90% less energy. The G9 bi-pin base fits standard push-in sockets found in wall lights, chandeliers, pendant fittings, and under-cabinet lighting across UK homes.\u003c\/p\u003e\n\u003cp\u003eSuited to kitchens, bathrooms (check IP rating of the fitting), hallways and living spaces where clean, neutral light is needed for tasks and general illumination, the 4000K output sits between warm white (2700-3000K) and daylight (5000K+), providing clarity without the harshness of cooler tones. The 300-degree beam angle spreads light broadly from the compact capsule body, reducing shadows in multi-bulb fittings.\u003c\/p\u003e\n\u003cp\u003eThe bulb carries a 15-year rated lifespan based on average domestic use, significantly outlasting halogen equivalents which typically require replacement every 1-2 years. The non-dimmable circuitry means the bulb is incompatible with dimmer switches but delivers consistent output from switch-on without warm-up time. The compact capsule format measures approximately 15mm diameter, maintaining the low-profile aesthetic of halogen G9s while running cooler during operation.\u003c\/p\u003e\n\u003ch5\u003eSpecification\u003c\/h5\u003e\n\u003ctable class=\"spec_table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eWattage\u003c\/td\u003e\n\u003ctd\u003e4.2W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLumen\u003c\/td\u003e\n\u003ctd\u003e470\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLamp Shape\u003c\/td\u003e\n\u003ctd\u003eCapsule\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLamp Base\u003c\/td\u003e\n\u003ctd\u003eG9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnergy Rating\u003c\/td\u003e\n\u003ctd\u003eE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKelvin\u003c\/td\u003e\n\u003ctd\u003e4,000K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColour Temperature\u003c\/td\u003e\n\u003ctd\u003eCool White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimmable\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBeam Angle\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLED or Halogen\u003c\/td\u003e\n\u003ctd\u003eLED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch5\u003eFrequently Asked\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eIs this bulb dimmable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The bulb is non-dimmable and will not function correctly with dimmer switches. Using it on a dimmed circuit may cause flickering or damage to the bulb. If dimming is required, a separate dimmable G9 LED must be used.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between 4000K and warmer colour temperatures?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e4000K cool white produces a neutral, slightly crisp light that resembles overcast daylight, making it well-suited to task lighting in kitchens and bathrooms. Warmer temperatures like 2700-3000K produce a more yellow-toned light closer to traditional incandescent bulbs, often preferred in living rooms and bedrooms for a cosier feel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this be used in enclosed fittings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMost LED G9 capsule bulbs including Energizer models are designed to tolerate enclosed fittings, but check the specific fitting allows adequate ventilation. LEDs run cooler than halogens but still generate heat, so fully sealed glass shades may shorten lifespan if airflow is completely blocked.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does the 15-year lifespan rating assume the bulb is used?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 15-year rating is typically based on 3 hours of use per day. Actual lifespan will vary depending on daily usage — higher usage shortens the timeline in years but the total operating hours remain consistent.\u003c\/p\u003e","brand":"Energizer","offers":[{"title":"Default Title","offer_id":46077770596619,"sku":"S18751","price":1.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/8993\/3835\/files\/S18751-Front-On_f29dc0a9-fad5-4f63-9dc0-07d75c5c4e59.jpg?v=1730377832","url":"https:\/\/niori.co.uk\/products\/energizer-4-2w-g9-led-capsule-bulb-470lm-4000k-cool-white-non-dimmable","provider":"Niori","version":"1.0","type":"link"}