{"product_id":"usb-5v-to-3v-battery-eliminator-power-supply-cable","title":"USB 5V to 3V Battery Eliminator Power Supply Cable","description":"\n\u003ch2\u003eNever Replace AA Batteries Again\u003c\/h2\u003e\n\u003cp\u003eSay goodbye to disposable batteries! This \u003cstrong\u003eUSB 5V to 3V Battery Eliminator Cable\u003c\/strong\u003e converts standard 5V USB power into a steady 3V output, giving your everyday devices a continuous, reliable power source through any USB port or adapter. Made in Mainland China.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're powering remote controls, LED holiday lights, digital clocks, wireless keyboards, electronic door locks, or portable fans — this smart cable keeps your devices running without the hassle or cost of constantly swapping out batteries.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eEliminates disposable batteries\u003c\/strong\u003e — powered continuously via any standard USB port (5V\/2A input)\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eStable 3V output\u003c\/strong\u003e — equivalent to two 1.5V AA cells in series\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eColor-coded polarity wires\u003c\/strong\u003e (+\/-) for easy, mistake-free installation\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eIncludes 1 green dummy\/fake battery\u003c\/strong\u003e for secure fit in standard battery compartments\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eAvailable in two cable lengths\u003c\/strong\u003e — 100cm (39 inches) or 200cm (78.74 inches)\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eDurable plastic construction\u003c\/strong\u003e built for everyday home, office, and travel use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eUSB 5V \/ 2A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e3V \/ 1A (virtual 3V battery)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e100cm (39 in) or 200cm (78.74 in) — optional\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eBattery Replacement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eReplaces 2× 1.5V AA cells\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMade in Mainland 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× USB 5V to 3V Power Cord\u003c\/li\u003e\n  \u003cli\u003e1× Green Dummy\/Fake Battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRemote controls (TV, AC, fans, etc.)\u003c\/li\u003e\n  \u003cli\u003eLED holiday string lights\u003c\/li\u003e\n  \u003cli\u003eDigital clocks\u003c\/li\u003e\n  \u003cli\u003eWireless keyboards \u0026amp; mice\u003c\/li\u003e\n  \u003cli\u003eElectronic door locks\u003c\/li\u003e\n  \u003cli\u003ePortable fans \u0026amp; small gadgets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLooking for more home and gadget essentials? Check out our \u003ca href=\"\/products\/10-piece-complete-gardening-tool-kit\"\u003e10-Piece Gardening Tool Kit\u003c\/a\u003e and our handy \u003ca href=\"\/products\/105-degree-right-angle-driver-with-hex-screwdriver-bit\"\u003e105° Right Angle Driver with Hex Screwdriver Bit\u003c\/a\u003e for your home toolkit.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What devices is this USB battery eliminator cable compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This USB 5V to 3V battery eliminator is compatible with any device that runs on two 1.5V AA batteries in series (totaling 3V). Common examples include remote controls, LED holiday lights, digital clocks, portable fans, wireless keyboards, and electronic door locks. Always verify your device's voltage requirement before use.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need a special USB adapter to use this cable?\u003c\/h4\u003e\n\u003cp\u003eA: No special adapter is required. Simply plug the USB end into any standard 5V USB power source — such as a USB wall adapter (5V\/2A recommended), a computer USB port, or a USB power bank — and the cable will convert the output to a stable 3V for your device.\u003c\/p\u003e\n\u003ch4\u003eQ: How does the dummy battery work?\u003c\/h4\u003e\n\u003cp\u003eA: The included green dummy (fake) battery is designed to fit securely inside your device's battery compartment, replacing one of the AA battery slots. It acts as a conductor and spacer, ensuring a proper electrical connection while the power is supplied via the USB cable.\u003c\/p\u003e\n\u003ch4\u003eQ: Which cable length should I choose — 100cm or 200cm?\u003c\/h4\u003e\n\u003cp\u003eA: Choose 100cm (39 inches) for most desktop or close-range setups, such as a clock or remote holder near a USB outlet. Opt for the 200cm (78.74 inches) length if your device is further from the nearest USB power source, such as a wall-mounted clock or holiday lights.\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 USB battery eliminator cable compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This USB 5V to 3V battery eliminator is compatible with any device that runs on two 1.5V AA batteries in series (totaling 3V). Common examples include remote controls, LED holiday lights, digital clocks, portable fans, wireless keyboards, and electronic door locks. 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