Smart car charger with charging current/voltage display. A compact gadget equipped with 2 USB ports with a total output current of 24W/4.8A. Perfect for charging the batteries of mobile devices such as smartphones or tablets. Charging under control - Thanks to the voltage and charging intensity display , you always know with what power the energy of your equipment is renewed. The gadget also displays the voltage supplied to it by the car battery . When starting the car, the value should be between 13.3V and 14.8V . When charging, the normal voltage is between 12V and 13.2V , but if it is lower than 12V , it is worth checking the condition of the battery. 6 levels of protection - Against overcharging, discharging, overvoltage, overheating, overcurrent and short circuits. Complete protection for both your accessory and your phone. Ports: 2x USB Voltage (input): DC 12V-24V Output current: USB1/USB2: 5V/2.4A; USB1 + USB2: 5V/4.8A; 24W max USB cable with 3 plugs: USB-C, micro USB and Lightning . A single cable that allows you to charge any device equipped with the aforementioned connectors (and transfer data using the Lightning plug). Ideal for people with several devices from different manufacturers.Fast and safe charging - Current of 3.5A and pure copper cable is a guarantee of fast and safe charging. Plugs: USB / USB-C / micro USB / Lightning Material: aluminum + nylon + TPE Current: 3.5A (max) Length: 1.2 meters