Why this charger matters Charge two USB devices at once while keeping an eye on your car battery. The dualport design reduces wait time for phones and tablets, and the builtin voltage display helps you monitor vehicle battery health in real time. Key benefits Dual USB ports delivering up to 2. total output for efficient simultaneous charging of two devices. Digital voltage display provides a real, easytoread indication of car battery voltage so you can spot lowvoltage issues before they become a problem. Intelligent fast charging: builtin chip detects connected device types and adjusts current for , efficient charging. Multiple protections included: overcurrent, overload, overvoltage, shortcircuit and interference protection for safe operation. Broad vehicle compatibility: works in 12V to 24V electrical systems; general fitment design suits a wide range of car models. Durable construction: made from ABS+PC material for longlasting performance. What it charges Compatible with most smartphones, tablets and other USBpowered devices. Use it to charge phones, power small USB accessories, or up a tablet while on the go. Easy, tool installation Simple replacement installation into the vehicle socket — no tools or setup required. Insert the charger and it's ready to use immediately. Practical use scenarios Daily commute: Keep your phone and Bluetooth headset or dashcam powered throughout the day while monitoring battery voltage. Road trips: Charge a tablet and phone simultaneously for passenger entertainment and navigation without worrying about the car battery. Rideshare and delivery drivers: Fast, reliable charging for multiple devices plus a voltage readout to help avoid unexpected battery trouble during long shifts. What you get A compact, plugandplay dual USB car charger with digital voltage display, smart charging chip, comprehensive protection features, and durable ABS+PC construction designed for 12V–24V vehicles.