{"product_id":"usb-cr2032-dummy-battery-power-supply-cable-with-switch","title":"USB CR2032 Dummy Battery Power Supply Cable with Switch","description":"\u003cp\u003ePower your CR2032-operated devices continuously with this handy \u003cstrong\u003eUSB to 3V CR2032 Dummy Battery Power Supply Cable\u003c\/strong\u003e. Simply insert the slim fake battery adapter into any standard CR2032 battery slot and connect the USB end to any 5V USB power source — no more swapping out coin cell batteries during extended use. An inline on\/off switch gives you full control over power delivery at a moment's notice.\u003c\/p\u003e\n\n\u003cp\u003eIdeal for watches, remote controls, microphones, toys, LED tea lights, key finders, calculators, and countless other gadgets that run on a CR2032 coin cell battery. Available in \u003cstrong\u003e4 color options\u003c\/strong\u003e and approximately \u003cstrong\u003e0.5 meters (1\/2 M) in length\u003c\/strong\u003e, this cable is versatile enough to work in tight spaces while giving you enough reach to a USB power bank or wall adapter.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContinuous USB Power:\u003c\/strong\u003e Converts USB 5V input to a steady 3V output — perfectly matching the CR2032 voltage requirement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInline On\/Off Switch:\u003c\/strong\u003e Instantly cut or restore power without unplugging the cable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlim CR2032 Dummy Insert:\u003c\/strong\u003e Fits snugly into standard CR2032 battery compartments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApproximately 0.5M Cable Length:\u003c\/strong\u003e Long enough for flexible positioning near a USB port or power bank\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4 Color Choices:\u003c\/strong\u003e Pick the option that best suits your setup\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Works with watches, microphones, remote controls, toys, and other CR2032-powered devices\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEliminates Battery Waste:\u003c\/strong\u003e Great for lab work, long-running demonstrations, or any situation requiring uninterrupted power\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput:\u003c\/strong\u003e USB 5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e 3V DC (CR2032 equivalent)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable Length:\u003c\/strong\u003e ~0.5 meters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Type Replaced:\u003c\/strong\u003e CR2032 coin cell\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSwitch:\u003c\/strong\u003e Inline on\/off toggle\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable Colors:\u003c\/strong\u003e 4 options\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × USB to CR2032 Dummy Battery Power Supply Cable with Inline Switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor general guidance on electronic components and safe use of low-voltage accessories, visit the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Power_cable\" target=\"_blank\" rel=\"noopener\"\u003ePower cable\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: What devices is the USB CR2032 dummy battery power supply cable compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This cable is compatible with any device that uses a standard CR2032 coin cell battery, including watches, remote controls, microphones, small toys, LED tea lights, key finders, and calculators. As long as the device accepts a CR2032 and runs on 3V, this cable can supply continuous USB power to it.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What USB power source do I need to use this cable?\u003c\/h4\u003e\n\u003cp\u003eA: Any standard 5V USB power source will work — including USB wall adapters, power banks, laptop USB ports, and USB hubs. The cable's built-in circuitry steps the voltage down to a stable 3V output to match the CR2032 specification.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the inline switch work?\u003c\/h4\u003e\n\u003cp\u003eA: The inline on\/off switch is located along the cable between the USB plug and the dummy battery insert. Toggling it cuts or restores power to your device instantly, giving you convenient control without unplugging the cable from your USB source.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Will this cable fit all CR2032 battery slots?\u003c\/h4\u003e\n\u003cp\u003eA: The dummy battery insert is designed to fit standard CR2032 coin cell battery compartments. It may not fit in very compact or non-standard housings where the battery tray is recessed or has an unusually tight lid — we recommend checking your device's battery compartment dimensions before purchasing.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What devices is the USB CR2032 dummy battery power supply cable compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This cable is compatible with any device that uses a standard CR2032 coin cell battery, including watches, remote controls, microphones, small toys, LED tea lights, key finders, and calculators. 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Toggling it cuts or restores power to your device instantly, giving you convenient control without unplugging the cable from your USB source.\"}}, {\"@type\": \"Question\", \"name\": \"Will this cable fit all CR2032 battery slots?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The dummy battery insert is designed to fit standard CR2032 coin cell battery compartments. It may not fit in very compact or non-standard housings where the battery tray is recessed or has an unusually tight lid — we recommend checking your device's battery compartment dimensions before purchasing.\"}}]}\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:\/\/vpggdm-rp.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Phone \u0026 Cable Accessories\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/collections\/phone-cable-accessories\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"USB CR2032 Dummy Battery Power Supply Cable with Switch\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/products\/usb-cr2032-dummy-battery-power-supply-cable-with-switch\"}]}\u003c\/script\u003e","brand":"Qme","offers":[{"title":"A3 2m no switch","offer_id":49736396734678,"sku":"14:173#A3 2m no switch","price":9.51,"currency_code":"USD","in_stock":true},{"title":"A2 1m with switch","offer_id":49736396767446,"sku":"14:29#A2 1m with switch","price":9.51,"currency_code":"USD","in_stock":true},{"title":"A1 1m no switch","offer_id":49736396800214,"sku":"14:200004890#A1 1m no switch","price":9.51,"currency_code":"USD","in_stock":true},{"title":"A4 2m with switch","offer_id":49736396832982,"sku":"14:175#A4 2m with switch","price":9.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/5243\/8486\/files\/Se66ea8ab74224c9aa9867b5d0339ba3cg.webp?v=1785310787","url":"https:\/\/qmeboost.com\/products\/usb-cr2032-dummy-battery-power-supply-cable-with-switch","provider":"Qme","version":"1.0","type":"link"}