{"product_id":"adjustable-ac-dc-power-adapter-3v-12v-universal-usb-charger","title":"Adjustable AC\/DC Power Adapter 3V–12V Universal USB Charger","description":"\n\u003ch2\u003eUniversal Adjustable Power Adapter — One Charger for Almost Every Device\u003c\/h2\u003e\n\u003cp\u003eTired of hunting down a different power adapter for every gadget in your home? This \u003cstrong\u003eUniversal Adjustable AC\/DC Power Adapter\u003c\/strong\u003e puts you in control with 7 selectable output voltages (3V, 4.5V, 5V, 6V, 7.5V, 9V, 12V) and a built-in USB port — all in one compact, travel-ready unit. Whether you're powering a router, LED strip, radio, toy, or small appliance, this adapter has you covered. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love It\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e7 Selectable Voltages:\u003c\/strong\u003e Dial in exactly the power your device needs — 3V, 4.5V, 5V, 6V, 7.5V, 9V, or 12V — with a simple voltage selector switch.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Output (DC + USB):\u003c\/strong\u003e Charge or power two devices simultaneously with the adjustable DC barrel output and a dedicated 5V\/2.1A USB port.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorldwide Compatibility:\u003c\/strong\u003e AC input of 100–240V, 50\/60Hz means this adapter works in virtually any country. Interchangeable EU\/US plugs are included (AU\/UK available on request).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e7 DC Connector Tips Included:\u003c\/strong\u003e Fits a wide range of barrel jack sizes — 5.5×2.5mm, 5.5×2.1mm, 4.0×1.7mm, 3.5×1.35mm, 3.0×1.1mm, 2.5×0.7mm, plus a micro LED connector.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt to Last:\u003c\/strong\u003e High-grade ABS+PC flame-retardant housing ensures durability and safe operation over years of use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenerous 1.2m Cable:\u003c\/strong\u003e Reach your devices easily without being tethered to the outlet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30W (Max output ≤37.5W)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC 100–240V, 0.25A, 50\/60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDC Output Voltages\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3V \/ 4.5V \/ 5V \/ 6V \/ 7.5V \/ 9V \/ 12V (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUSB 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 Connectors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.5×2.5mm, 5.5×2.1mm, 4.0×1.7mm, 3.5×1.35mm, 3.0×1.1mm, 2.5×0.7mm, Micro LED\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.2m (approx. 3.9 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlame-retardant ABS + PC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePlug Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEU \/ US (interchangeable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\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× Adjustable AC\/DC Power Adapter\u003c\/li\u003e\n  \u003cli\u003e7× DC Connector Tips\u003c\/li\u003e\n  \u003cli\u003e1× Set of Interchangeable Plugs (EU\/US)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eActual color may vary slightly from product images.\u003c\/li\u003e\n  \u003cli\u003ePlease confirm your required plug type (EU or US) before ordering.\u003c\/li\u003e\n  \u003cli\u003eAlways match the output voltage to your device's rated input before connecting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor safe use of electrical adapters and power supplies at home, refer to the U.S. Consumer Product Safety Commission — Electrical Safety Guidelines.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Can this adjustable power adapter replace multiple separate chargers?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! Because it supports 7 selectable DC output voltages (3V–12V) plus a 5V USB port and includes 7 interchangeable DC connector tips, a single unit can replace many single-voltage adapters for routers, radios, LED strips, toys, cameras, and other small electronics.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this power adapter safe to use internationally while traveling?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The wide AC input range of 100–240V at 50\/60Hz makes it compatible with power grids in most countries worldwide. EU and US interchangeable plugs are included, and AU\/UK plugs can be requested.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I know which voltage to select for my device?\u003c\/h4\u003e\n\u003cp\u003eA: Check the label on your device or its original power adapter — it will list the required input voltage (e.g., 9V or 12V). Select the matching voltage on this adapter's selector switch before connecting your device to ensure safe and proper operation.\u003c\/p\u003e\n\u003ch4\u003eQ: What DC connector sizes does this universal charger support?\u003c\/h4\u003e\n\u003cp\u003eA: It comes with 7 barrel connector tips: 5.5×2.5mm, 5.5×2.1mm, 4.0×1.7mm, 3.5×1.35mm, 3.0×1.1mm, 2.5×0.7mm, and a micro LED connector, covering the most common DC jack sizes found on consumer electronics.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Can this adjustable power adapter replace multiple separate chargers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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