{"product_id":"dc-3-7-5v-double-led-light-board-with-switch-diy-lamp","title":"DC 3.7-5V Double LED Light Board with Switch DIY Lamp","description":"\u003ch2\u003eDC 3.7–5V Double LED Light Board with Switch — DIY Flashlight \u0026amp; Lamp Module\u003c\/h2\u003e\n\u003cp\u003eA compact double LED light board module with an integrated on\/off switch, designed for DIY flashlight, desk lamp, and portable lighting projects. The module operates from a 3.7V LiPo\/Li-ion cell or 5V USB power supply, making it compatible with 18650 batteries, LiPo packs, and USB power banks. The double LED configuration provides balanced, even illumination for close-up lighting tasks. The integrated switch allows direct on\/off control without additional wiring.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e3.7V – 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLED Count\u003c\/td\u003e\n\u003ctd\u003e2 (double LED)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLED Type\u003c\/td\u003e\n\u003ctd\u003eHigh-brightness white LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitch\u003c\/td\u003e\n\u003ctd\u003eIntegrated on\/off switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Power\u003c\/td\u003e\n\u003ctd\u003e3.7V 18650 \/ LiPo, 5V USB power bank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCB Size\u003c\/td\u003e\n\u003ctd\u003eCompact (check product images for dimensions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eRoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY Flashlight:\u003c\/strong\u003e LED light board for building a compact DIY flashlight using an 18650 battery and a 3D-printed or custom enclosure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesk Lamp:\u003c\/strong\u003e LED module for a DIY USB-powered desk lamp or reading light\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable Lighting:\u003c\/strong\u003e Compact LED light module for portable battery-powered lighting in camping, emergency, and workshop use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaker Projects:\u003c\/strong\u003e LED light module for Arduino, ESP32, and Raspberry Pi projects requiring a simple, switchable light source\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \u0026amp; Diorama Lighting:\u003c\/strong\u003e Compact LED module for scale model, diorama, and miniature lighting effects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I power this module directly from a 3.7V 18650 battery?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The module is designed to operate from 3.7V (nominal 18650 cell voltage) to 5V. Connect the 18650 positive terminal to VCC and negative to GND. Add a BMS protection board for overcharge and over-discharge protection.\u003c\/p\u003e\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e1 × DC 3.7–5V double LED light board with integrated on\/off switch\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"1PC","offer_id":47857219043563,"sku":"14:350686#1PC","price":7.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/dc-led-light-board-with-switch.webp?v=1771755816","url":"https:\/\/keszoox.com\/products\/dc-3-7-5v-double-led-light-board-with-switch-diy-lamp","provider":"Keszoox","version":"1.0","type":"link"}