{"title":"LED 2D Lamps (GR10Q 4pin)","description":"\u003cp\u003eLED 2D lamps with a GR10Q 4-pin base, made as a direct retrofit for traditional 2D fluorescent (DD) lamps rated at 16W, 28W and 36W. They drop into existing ceiling and wall-mounted 2D fittings without needing a new fitting, so you can refurbish what's already installed rather than replace it.\u003c\/p\u003e\u003cp\u003eEach lamp uses a perforated PCB for heat dissipation, which helps the lamp maintain output over a long service life. A built-in LED driver and standard 4-pin base keep them compatible with fittings already on the market. A microwave sensor version is available for extra savings where occupancy-based control makes sense.\u003c\/p\u003e\u003cp\u003eThe range also includes emergency conversion packs with Ni-Cd batteries, which connect to 12W or 16W trays to give maintained power supply if the mains fails. This is the section to check for replacement batteries and emergency modules alongside the lamps themselves.\u003c\/p\u003e","products":[{"product_id":"led-2d-lamp-microwave-sensor-12w","title":"LED 2D Lamp 12W 1050lm Microwave Sensor On\/Off | Ledison","description":"\u003cp\u003eThis 12W LED 2D lamp replaces a 28W fluorescent 2D fitting and pairs a mains-connected LED board with a built-in microwave motion sensor and daylight photocell. The sensor housing sits inside the lamp itself, so no separate control gear is needed on the ceiling void.\u003c\/p\u003e\u003ch2\u003eKey features of this led 2d lamp\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensing modes\u003c\/strong\u003e, on\/off, 2-step dimming and 3-step dimming, selectable on the built-in microwave sensor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaylight photocell\u003c\/strong\u003e, an integrated daylight sensor holds the lamp off when there is enough ambient light.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect mains connection\u003c\/strong\u003e, wires straight into the mains supply, with a built-in emergency socket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable settings\u003c\/strong\u003e, daylight threshold, detection distance and turn-on time can all be set on site.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal management\u003c\/strong\u003e, the PCB uses thermal vias to carry heat away from the LED chips.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eSuited to corridors, stairwells, stores and utility spaces where a fluorescent 2D fitting is being replaced and automatic switching is wanted without extra wiring. The sensor detects human movement and switches the light on and off automatically, and the maker states energy savings of up to 90% against a traditional fluorescent 2D fitting of the same size.\u003c\/p\u003e\u003ch3\u003eLifespan\u003c\/h3\u003e\u003cp\u003eThe lamp has an average lifetime of 50,000 hours, with lumen maintenance of 80% after that period.\u003c\/p\u003e","brand":"Ledison","offers":[{"title":"Natural White","offer_id":52096607912224,"sku":"101010","price":28.67,"currency_code":"GBP","in_stock":false},{"title":"Cool White","offer_id":52096607944992,"sku":"101011","price":28.67,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1010\/8148\/1504\/files\/ledandsolar-101010-1.webp?v=1785761619"},{"product_id":"led-2d-lamp-16w-4pin","title":"LED 2D Lamp 16W Replaces 36W CFL 4-Pin 1510lm | Ledison","description":"\u003cp\u003eThe Voltacon LED 2D lamp from Ledison is a 16W LED replacement for 36W CFL 2D lamps, built for direct retrofit into existing 4-pin round and square luminaires. It runs on the mains 4-pin connection already in your fitting, so there's no need to rewire the ballast housing.\u003c\/p\u003e\u003ch2\u003eKey features of this led 2d lamp\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWattage\u003c\/strong\u003e, 16W LED, replacing a 36W CFL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour temperature\u003c\/strong\u003e, natural white, 4000K\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifetime\u003c\/strong\u003e, 50,000 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting\u003c\/strong\u003e, GR10Q 4-pin, fits standard 2D sockets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuit board\u003c\/strong\u003e, perforated PCB for heat dissipation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage range\u003c\/strong\u003e, 100 to 240 VAC for wide compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eThis lamp suits offices, corridors, retail units and any space still fitted with older 4-pin fluorescent 2D lamps. Because the base and pin arrangement match the original fitting, no fitting alteration is required, only a lamp swap.\u003c\/p\u003e\u003ch3\u003eEmergency lighting compatibility\u003c\/h3\u003e\u003cp\u003eThe built-in LED and socket arrangement is compatible with emergency lighting packs, useful where the fitting also serves as part of an emergency circuit.\u003c\/p\u003e\u003ch2\u003ePerformance over time\u003c\/h2\u003e\u003cp\u003eVoltacon rate the lamp to retain 80% of its lumen output after 50,000 hours of use, with instant start and no flicker on switch-on.\u003c\/p\u003e","brand":"Ledison","offers":[{"title":"Default Title","offer_id":52096645464352,"sku":"101007","price":16.98,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1010\/8148\/1504\/files\/ledandsolar-101007-1.webp?v=1785764305"},{"product_id":"nicad-emergency-lighting-battery-stick","title":"Emergency Lighting Battery 3.6V 4000mAh NiCad | Yuasa 3DH4-0LA4","description":"\u003cp\u003eThe Yuasa 3DH4-0LA4 is a sealed rechargeable battery stick rated 3.6V 4000mAh, built from three nickel cadmium D cells joined together with leads and an amp plug fitted as standard. It is designed for emergency lighting circuits where a reliable standby power source is needed.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemistry\u003c\/strong\u003e, nickel cadmium (NiCad), sealed and rechargeable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage and capacity\u003c\/strong\u003e, 3.6V 4000mAh.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e, 3 cell D cell stick with leads and amp plug.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService life\u003c\/strong\u003e, up to 1000 charge\/discharge cycles depending on application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity\u003c\/strong\u003e, Yuasa's NiCad range offers some of the highest capacities available in this cell format.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eThis battery stick is intended for emergency lighting fittings that rely on standby power during a mains failure. The amp plug and leads allow it to connect directly into the emergency luminaire's circuit without additional wiring work. It also suits other portable power applications where a D cell NiCad pack is needed.\u003c\/p\u003e\u003ch3\u003eHigh temperature options\u003c\/h3\u003e\u003cp\u003eSome popular Yuasa NiCad cell sizes are available in high temperature versions, useful where the battery will be mounted in a warm enclosure or fitting.\u003c\/p\u003e","brand":"Ledison","offers":[{"title":"Default Title","offer_id":52096645759264,"sku":"101014","price":19.3,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1010\/8148\/1504\/files\/ledandsolar-101014-1.webp?v=1785764349"},{"product_id":"led-2d-lamp-12w-gr10q-retrofit","title":"LED 2D Lamp 12W GR10q 4-Pin Retrofit for 28\/36W CFL | Ledison","description":"\u003cp\u003eThis LED 2D lamp is a direct retrofit for existing GR8 and GR10q 4-pin fluorescent 2D fittings, replacing 28W and 36W CFL tubes without changing the luminaire. Built around SMD2835 LED chips, it runs from 220-240VAC or 110VAC mains and starts instantly with no flicker.\u003c\/p\u003e\u003ch2\u003eKey features of this led 2d lamp\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase\u003c\/strong\u003e, GR8 \/ GR10q 4-pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput\u003c\/strong\u003e, 1050lm from 12W rated power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour rendering\u003c\/strong\u003e, CRI \u0026gt;80, 85lm\/W efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBeam angle\u003c\/strong\u003e, 120 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifespan\u003c\/strong\u003e, 50,000 hours with lumen maintenance at 80% after that period\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmergency function\u003c\/strong\u003e, built-in emergency socket and LED charging indicator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eRetrofit installation\u003c\/h2\u003e\u003cp\u003eThe tray fits directly into the existing 4-pin lamp holder, so there's no need to rewire the fitting or replace the luminaire body. Fluorescent tubes and starters are removed, and the LED tray takes their place. A perforated PCB spreads heat across the tray to help keep output stable over long running hours.\u003c\/p\u003e\u003ch2\u003eOperation and applications\u003c\/h2\u003e\u003cp\u003eThis lamp is designed for standard on\/off switching rather than dimming circuits. It suits corridors, stairwells, offices, schools, hospitals, residential communal areas and other spaces where 2D fluorescent fittings are already installed. The emergency socket and charging indicator make it a practical choice where emergency lighting compliance matters.\u003c\/p\u003e\u003ch3\u003eColour temperature options\u003c\/h3\u003e\u003cp\u003eAvailable in warm white, natural white and cool white, so the lamp can match the colour temperature already used elsewhere in a building.\u003c\/p\u003e","brand":"Ledison","offers":[{"title":"Default Title","offer_id":52096661455136,"sku":"101004","price":18.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1010\/8148\/1504\/files\/ledandsolar-101004-1.webp?v=1785765952"},{"product_id":"led-2d-emergency-battery-pack","title":"LED 2D Emergency Battery Pack 3 Hour Back-up | Hytronik HEM02-2D","description":"\u003cp\u003eThe Hytronik HEM02-2D emergency pack adds 3 hours of maintained or non-maintained emergency function to LED luminaires without any need to modify the existing LED circuit. Fit the emergency driver and battery and most LED fittings will operate as emergency lights.\u003c\/p\u003e\u003ch2\u003e2D led lamp emergency compatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED array range\u003c\/strong\u003e, works with LED arrays from 8-60V, dimmed to 30% during emergency operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDriver function\u003c\/strong\u003e, automatically adjusts output LED current to match the battery and LED load for maximum illumination and battery duration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED compatibility\u003c\/strong\u003e, works with Philips Fortimo DLM, SLM and LLM ranges, Bridgelux LS\/ES\/RS ranges, Citizen 4-41W ranges, GE Infusion, Xicato and others\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLedison compatibility\u003c\/strong\u003e, compatible with Ledison 2D Lamps 12w and 16w standard version, and Ledison 2D Microwave sensor 12w and 16w\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eConstant current power supply\u003c\/li\u003e\n\u003cli\u003eMaintain and non-maintain mode\u003c\/li\u003e\n\u003cli\u003eOver current protection for battery\u003c\/li\u003e\n\u003cli\u003eOver charge protection for battery\u003c\/li\u003e\n\u003cli\u003eGreen LED indication for status of the kit\u003c\/li\u003e\n\u003cli\u003eReverse polarity protection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEmergency driver\u003c\/li\u003e\n\u003cli\u003e3.6V battery, high-temperature NiMH cells\u003c\/li\u003e\n\u003cli\u003eGreen LED indicator\u003c\/li\u003e\n\u003cli\u003eTest button\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eFit this pack alongside an existing LED luminaire to provide emergency lighting cover without replacing the fitting itself. It suits commercial and industrial spaces where a maintained or non-maintained emergency function is required from standard LED arrays.\u003c\/p\u003e","brand":"Hytronik","offers":[{"title":"Default Title","offer_id":52096676954400,"sku":"101015","price":46.86,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1010\/8148\/1504\/files\/ledandsolar-101015-1.webp?v=1785766848"}],"url":"https:\/\/www.ledandsolar.co.uk\/collections\/led-2d-lamps-4pin.oembed","provider":"LED \u0026 Solar","version":"1.0","type":"link"}