{"product_id":"dual-usb-car-charger-3-1a-fast-charge-led-voltmeter","title":"Dual USB Car Charger 3.1A Fast Charge \u0026 LED Voltmeter","description":"\u003ch2\u003eDual USB Car Charger with LED Digital Voltmeter – 5V 3.1A Fast Charging\u003c\/h2\u003e\n\u003cp\u003eKeep your devices powered on every drive with this \u003cstrong\u003eDual USB Car Charger\u003c\/strong\u003e. Plug it into your cigarette lighter socket and get intelligent, high-speed charging for two devices at once — while the bright \u003cstrong\u003eblue LED digital display\u003c\/strong\u003e monitors your car's battery voltage in real time. Whether you're on a daily commute or a long road trip, this compact aluminum-alloy charger has you covered.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual USB Ports:\u003c\/strong\u003e Charge two devices simultaneously — smartphones, tablets, GPS units, MP3\/MP4 players, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3.1A Super-Fast Output:\u003c\/strong\u003e Smart chip technology distributes current intelligently based on each device, charging an Apple device in as little as 1.5 hours.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlue LED Digital Display:\u003c\/strong\u003e Real-time battery voltage monitor when no device is connected; shows charging current when a device is plugged in.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Input Compatibility:\u003c\/strong\u003e Works with 12V–24V vehicles — cars, trucks, SUVs, and vans.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Build Quality:\u003c\/strong\u003e Aluminum alloy rim with pure copper USB contact points for exceptional durability and conductivity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart Surge \u0026amp; Overcurrent Protection:\u003c\/strong\u003e Built-in fuse mode, dual smart chips, overcurrent\/overvoltage protection, and trickle-charge support to keep your devices safe.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThermal Management System:\u003c\/strong\u003e Intelligent heat-dissipation design keeps the charger at a stable operating temperature, extending its lifespan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Suitable for smartphones, tablets, GPS, PDA, PSP, MP3, MP4, and other USB-powered digital devices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloy + ABS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 12V – 24V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3,100 mA (3.1A)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0°C – 40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 60 × 30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Colors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver, Gold, Black, Blue, Red\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\u003eMade in 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 × Dual USB Car Charger with LED Voltmeter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You Might Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-5m-nylon-braided-3-5mm-aux-audio-cable-car-phone-headphone\"\u003e1.5M Nylon Braided 3.5mm AUX Audio Cable | Car, Phone \u0026amp; Speaker\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-5l-portable-hydrogen-water-bottle-hydrogen-rich-sports-kettle-1\"\u003e1.5L Hydrogen Water Bottle – Portable Hydrogen-Rich Sports Kettle\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on safe vehicle electrical accessories and USB charging standards, visit the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Will this dual USB car charger work in both 12V and 24V vehicles?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This car charger supports a wide input voltage range of DC 12V to 24V, making it compatible with standard passenger cars, trucks, SUVs, and larger commercial vehicles.\u003c\/p\u003e\n\u003ch4\u003eQ: What does the LED voltmeter display show?\u003c\/h4\u003e\n\u003cp\u003eA: The blue LED digital display shows your vehicle's real-time battery voltage when no device is connected. Once you plug in a device, it automatically switches to display the active charging current, so you always know the charging status.\u003c\/p\u003e\n\u003ch4\u003eQ: Is it safe to charge two devices at the same time?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The dual smart chip system intelligently distributes up to 3.1A of total output between both ports based on each device's needs. Built-in overcurrent, overvoltage, and surge protection via fuse mode ensures both your devices and your vehicle's electrical system stay protected during charging.\u003c\/p\u003e\n\u003ch4\u003eQ: Which devices are compatible with this USB car charger?\u003c\/h4\u003e\n\u003cp\u003eA: This charger is widely compatible with virtually all USB-powered devices including iPhones, Android smartphones, tablets, GPS navigators, PDAs, PSPs, MP3 and MP4 players, and more.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Will this dual USB car charger work in both 12V and 24V vehicles?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! This car charger supports a wide input voltage range of DC 12V to 24V, making it compatible with standard passenger cars, trucks, SUVs, and larger commercial vehicles.\"}}, {\"@type\": \"Question\", \"name\": \"What does the LED voltmeter display show?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The blue LED digital display shows your vehicle's real-time battery voltage when no device is connected. Once you plug in a device, it automatically switches to display the active charging current, so you always know the charging status.\"}}, {\"@type\": \"Question\", \"name\": \"Is it safe to charge two devices at the same time?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The dual smart chip system intelligently distributes up to 3.1A of total output between both ports based on each device's needs. 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