{"product_id":"30w-universal-power-adapter-3v-12v-adjustable-usb-port-us-plug","title":"30W Universal Power Adapter 3V–12V Adjustable + USB Port","description":"\n\u003ch2\u003e30W Multifunctional Universal Power Adapter – Adjustable 3V to 12V with USB Port\u003c\/h2\u003e\n\u003cp\u003ePower virtually any household electronic device with this versatile \u003cstrong\u003e30W Universal Power Adapter\u003c\/strong\u003e. Featuring a wide adjustable DC output range of \u003cstrong\u003e3V to 12V\u003c\/strong\u003e and a built-in \u003cstrong\u003e5V\/2.1A USB port\u003c\/strong\u003e, this adapter is the all-in-one solution for routers, LED strips, webcams, security cameras, USB hubs, tablets, speakers, TV boxes, and countless DIY electronic projects.\u003c\/p\u003e\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e30W Output Power:\u003c\/strong\u003e AC input 100–240V, 0.25A, 50\/60Hz; DC output adjustable at 3V \/ 4.5V \/ 5V \/ 6V \/ 7.5V \/ 9V \/ 12V (max 2.5A)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Output:\u003c\/strong\u003e DC barrel jack output PLUS a 5V\/2.1A USB port for simultaneous charging\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8 Interchangeable DC Tips:\u003c\/strong\u003e Includes a wide range of popular connector sizes to fit most household and electronic devices\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Smart Safety Protection:\u003c\/strong\u003e Integrated IC automatically shuts down in cases of overload, over-voltage, overheating, or short circuit — keeping your devices safe at all times\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Voltage Selection:\u003c\/strong\u003e Simply use the included adjustment wrench to select the exact voltage your device requires\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUS Plug Ready:\u003c\/strong\u003e Standard US plug design for immediate use with North American outlets\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable ABS Construction:\u003c\/strong\u003e Lightweight yet sturdy black ABS body built for everyday use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDC Tip Sizes Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2.5 x 0.7mm\u003c\/li\u003e\n  \u003cli\u003e3.0 x 1.1mm\u003c\/li\u003e\n  \u003cli\u003e3.5 x 1.35mm\u003c\/li\u003e\n  \u003cli\u003e4.0 x 1.7mm\u003c\/li\u003e\n  \u003cli\u003e5.0 x 2.1mm\u003c\/li\u003e\n  \u003cli\u003e5.5 x 2.5mm\u003c\/li\u003e\n  \u003cli\u003eMicro USB connector\u003c\/li\u003e\n  \u003cli\u003eLED terminal connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eItem Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUniversal Power Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMaximum 2.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMaximum 30W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUSB Port Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V \/ 2.1A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDC Voltage Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3V \/ 4.5V \/ 5V \/ 6V \/ 7.5V \/ 9V \/ 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAC Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100–240V, 0.25A, 50\/60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePlug Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUS Plug\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDC Plug Polarity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePositive (+) inside, Negative (−) outside\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Universal Power Adapter\u003c\/li\u003e\n  \u003cli\u003e8 × DC Connector Tips\u003c\/li\u003e\n  \u003cli\u003e1 × Voltage Adjustment Wrench\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚠ Important Note:\u003c\/strong\u003e Always select the correct voltage for your device \u003cem\u003ebefore\u003c\/em\u003e plugging in. Using the wrong voltage setting may damage your equipment. DC polarity is positive (+) inside and negative (−) outside — not compatible with all devices.\u003c\/p\u003e\n\n\u003ch3\u003eYou Might Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box – Vintage Beer Crate Style, Holds 30 AAA Batteries\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-mobile-data-cable-storage-box-portable-winding-earphone-charger-storage-box-with-lid-drawer-organizer-box\"\u003e1PC Mobile Data Cable Storage Box – Portable Winding Earphone \u0026amp; Charger Organizer\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What devices is this 30W universal power adapter compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This adjustable power adapter is compatible with a wide range of household electronics including routers, LED strips, security cameras, webcams, USB hubs, tablets, TV boxes, speakers, and DIY electronic circuits. With 8 interchangeable DC tips and a voltage range of 3V to 12V, it suits most devices that accept a standard DC barrel connector. Always verify the required voltage and polarity of your device before use.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I change the output voltage on this power adapter?\u003c\/h4\u003e\n\u003cp\u003eA: The package includes a voltage adjustment wrench. Simply use the wrench to turn the selector to your desired voltage setting (3V, 4.5V, 5V, 6V, 7.5V, 9V, or 12V) before connecting the adapter to your device. Make sure to select the correct voltage \u003cem\u003ebefore\u003c\/em\u003e plugging into a power outlet to avoid any risk of equipment damage.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I charge a device via USB while also using the DC output at the same time?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This adapter features both a DC barrel output and a 5V\/2.1A USB port, allowing you to power two devices simultaneously — one via the DC tip and one via the USB port — up to the adapter's total 30W maximum output capacity.\u003c\/p\u003e\n\u003ch4\u003eQ: What safety features does this universal power adapter have?\u003c\/h4\u003e\n\u003cp\u003eA: The adapter features a built-in smart IC protection system that automatically shuts the unit down in the event of overload, over-voltage, overheating, or short circuit conditions, helping protect both the adapter and your connected devices during use.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What devices is this 30W universal power adapter compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This adjustable power adapter is compatible with a wide range of household electronics including routers, LED strips, security cameras, webcams, USB hubs, tablets, TV boxes, speakers, and DIY electronic circuits. With 8 interchangeable DC tips and a voltage range of 3V to 12V, it suits most devices that accept a standard DC barrel connector. 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This adapter features both a DC barrel output and a 5V\/2.1A USB port, allowing you to power two devices simultaneously — one via the DC tip and one via the USB port — up to the adapter's total 30W maximum output capacity.\"}}, {\"@type\": \"Question\", \"name\": \"What safety features does this universal power adapter have?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The adapter features a built-in smart IC protection system that automatically shuts the unit down in the event of overload, over-voltage, overheating, or short circuit conditions, helping protect both the adapter and your connected devices during use.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"30W Universal Power Adapter 3V–12V Adjustable + USB Port\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/30w-universal-power-adapter-3v-12v-adjustable-usb-port-us-plug\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"30W","offer_id":67607725473891,"sku":"1005012744489379-30W","price":33.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/2047\/6003\/files\/S1249f8ceef614c28bb7d2393dc14a98dJ_41eb1c60-1ffa-4b63-8ed1-d424f9aeaf81.webp?v=1790768671","url":"https:\/\/nixiehaven.com\/products\/30w-universal-power-adapter-3v-12v-adjustable-usb-port-us-plug","provider":"Nixie","version":"1.0","type":"link"}