{"product_id":"3w-led-cob-strip-light-3v-3-7v-dc-diy-warm-white-blue-red","title":"3W LED COB Strip 3V–3.7V DC | DIY Warm White, Blue \u0026 Red Light","description":"\u003ch2\u003e3W LED COB Strip – Versatile DIY Light Source\u003c\/h2\u003e\n\u003cp\u003eUpgrade your DIY lighting projects with this compact, high-output \u003cstrong\u003e3W LED COB Strip\u003c\/strong\u003e. Operating on 3V–3.7V DC, this chip-on-board strip delivers bright, even illumination in a slim \u003cstrong\u003e60×8 mm\u003c\/strong\u003e form factor — perfect for customizing flashlights, bicycle lamps, downlights, spotlights, stage lights, desk lamps, and more.\u003c\/p\u003e\n\n\u003cp\u003eAvailable in four versatile color options — \u003cstrong\u003eWarm White, Cool White, Blue,\u003c\/strong\u003e and \u003cstrong\u003eRed\u003c\/strong\u003e — this strip lets you tailor the light output to your exact application. The COB (Chip-on-Board) design packs multiple LED chips into a single module, producing a smooth, uniform beam with minimal hotspots.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 3V – 3.7V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 3W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 60 × 8 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTechnology:\u003c\/strong\u003e COB (Chip-on-Board) LED\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable Colors:\u003c\/strong\u003e Warm White, Cool White, Blue, Red\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Plastic, metal, and LED components\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Flashlights, bicycle lamps, spotlights, downlights, stage lighting, DIY lamp builds, and more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e The LED chip generates heat during operation — a heat sink or radiator is recommended for best performance and longevity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose COB LED Technology?\u003c\/h3\u003e\n\u003cp\u003eCOB strips integrate dozens of LED chips into a single substrate, producing a denser, brighter, and more consistent light output compared to traditional single-chip LEDs. Whether you're a hobbyist upgrading a bike light or a maker building a custom lamp, this strip gives you professional-grade illumination in a DIY-friendly package.\u003c\/p\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBicycle and cycling lights\u003c\/li\u003e\n  \u003cli\u003eFlashlight modifications and repairs\u003c\/li\u003e\n  \u003cli\u003eDIY desk and work lamps\u003c\/li\u003e\n  \u003cli\u003eSpotlight and downlight replacements\u003c\/li\u003e\n  \u003cli\u003eStage and accent lighting builds\u003c\/li\u003e\n  \u003cli\u003eElectronics and maker projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor further guidance on LED lighting standards and energy efficiency, visit the U.S. Department of Energy – LED Lighting Resource.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What applications is the 3W LED COB Strip best suited for?\u003c\/h4\u003e\n\u003cp\u003eA: This 3W COB LED strip is ideal for a wide range of DIY lighting applications, including bicycle lamps, flashlight modifications, spotlights, downlights, desk lamps, and stage lighting builds. Its compact 60×8 mm size makes it easy to integrate into custom enclosures and housings.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the 3W LED COB Strip require a heat sink?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Like all COB LED modules, this strip generates heat during operation. To maintain peak performance and extend the lifespan of the chip, it is strongly recommended to mount the strip on a heat sink or metal radiator surface when using it continuously.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What colors are available for this COB LED strip?\u003c\/h4\u003e\n\u003cp\u003eA: This LED COB strip is available in four color options: Warm White, Cool White, Blue, and Red. Choose the color that best suits your DIY project — warm white for a cozy, ambient tone, cool white for bright task lighting, or blue\/red for accent or specialty applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What voltage does this LED COB strip operate on?\u003c\/h4\u003e\n\u003cp\u003eA: The strip operates on 3V to 3.7V DC, making it compatible with standard lithium-ion cells (such as 18650 batteries) and other low-voltage DC power sources commonly used in DIY and portable lighting builds.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What applications is the 3W LED COB Strip best suited for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 3W COB LED strip is ideal for a wide range of DIY lighting applications, including bicycle lamps, flashlight modifications, spotlights, downlights, desk lamps, and stage lighting builds. 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