{"product_id":"energizer-13w-led-2d-2-pin-bulb-gr8-4000k-cool-white-non-dimmable-1500lm","title":"Energizer 13W LED 2D 2-Pin Bulb GR8 4000K Cool White - Non-Dimmable 1500lm","description":"\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cp\u003eThe Energizer 13W LED 2D is a direct replacement for fluorescent 2D lamps, using a GR8 2-pin base and delivering 1500 lumens of 4000K cool white light. The bulb fits surface-mounted bulkheads and ceiling panels that take the 2D loop format, common in communal hallways, stairwells, utility rooms and commercial corridors where functional overhead lighting is needed.\u003c\/p\u003e\n\u003cp\u003eThe LED module draws 13W compared to the 28W or 38W typical of equivalent fluorescent 2D lamps, halving energy consumption while providing the same light output. The 4000K colour temperature gives a neutral, slightly cool-toned white light that works well in functional spaces where task visibility matters more than ambient warmth. The bulb is non-dimmable and runs on standard 230V mains without needing a separate driver or control gear beyond what is already present in the bulkhead fitting.\u003c\/p\u003e\n\u003cp\u003eRated energy class E under current UK regulations, the bulb offers a 30-year lifespan at typical usage levels, far exceeding the 8,000-12,000 hour lifespan of fluorescent 2D equivalents. The loop shape measures approximately 165mm across the outer diameter, fitting standard GR8 sockets without modification. The cool white tone maintains neutral colour rendering in functional areas without the slight yellow cast of warmer LEDs.\u003c\/p\u003e\n\u003ch5\u003eSpecification\u003c\/h5\u003e\n\u003ctable class=\"spec_table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWattage\u003c\/td\u003e\n\u003ctd\u003e13W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLumen\u003c\/td\u003e\n\u003ctd\u003e1500lm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLamp Shape\u003c\/td\u003e\n\u003ctd\u003eGR8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnergy Rating (New Regs)\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\u003eLED or Halogen\u003c\/td\u003e\n\u003ctd\u003eLED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003eFrequently Asked\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my existing 2D bulkhead?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe bulb fits any surface-mounted bulkhead or ceiling panel with a GR8 2-pin socket designed for 2D lamps. If your existing fitting takes a fluorescent 2D tube with two pins at the base, this LED bulb will slot directly into the same socket without rewiring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it dimmable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The bulb is non-dimmable and should be used on standard on\/off switching only. Attempting to use it with a dimmer will cause flicker or failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does 4000K compare to my old fluorescent tube?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMost fluorescent 2D lamps run at 3000K-3500K, giving a slightly warmer white. The 4000K LED produces a cooler, more neutral white light that increases contrast and visibility in functional spaces but may feel less warm in residential settings compared to the older tube.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it need a starter or ballast change?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf your bulkhead has an electronic ballast or starter unit designed for fluorescent 2D lamps, you may need to bypass or remove it for the LED to function correctly. Consult a qualified electrician if the bulb does not light after installation.\u003c\/p\u003e","brand":"Energizer","offers":[{"title":"Default Title","offer_id":51783311982859,"sku":"S30401","price":6.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/8993\/3835\/files\/S30401_1_45b81e61-3e2c-4eb8-97cb-ae59310233fb.jpg?v=1750876342","url":"https:\/\/niori.co.uk\/products\/energizer-13w-led-2d-2-pin-bulb-gr8-4000k-cool-white-non-dimmable-1500lm","provider":"Niori","version":"1.0","type":"link"}