Mini 4.8A USB Car Charger - The Smallest Car Charger in the World Product Specification -Input Voltage: DC 12-24V -Output Voltage: 5V -Output Current: 2.4A MAX for each port, total 4.8A (MAX) -Net Weight: 30G -Size: 43.5mm*23.5mm -Color: Black Why you can choose our car charger? -Sleek and Convenient A sleek and robust zinc-alloy finish protect against scratch, and sit nearly flush to any car interior. Non-disruptive LED on the USB port ensures nighttime charging is effortless. -Super Fast Charging Charge two devices simultaneously at full speed with 2.4A in each USB port. With a total power of 4.8A, the charging speed is up to 40% faster than 1A or 2.1A. Please kindly know it is not QC car charger, so it won't indicate fast charging in Android phone. -MultiProtect Safety System Certified by RoHS, CE, and FCC. The surge protection, overvoltage protection and more advanced safety features keep all your devices safe. QUESTION & ANSWER Question 1: Does this do quickcharge for my Galaxy S8? Answer: Yes and no. This car charger tries to match the fastest possible charging depending on your device. This is not exactly the same as "fast charging" a device but it should still charge the device faster than normal chargers Question 2: Will this work on a 2012 Audi A4? Answer: Yes, it works. It is suitable for all cars or trucks with 12V to 24V. Question 3: Is this easy to take out of the cigarette lighter socket? Answer: It fits firmly to the cigarette lighter, but every car´s socket are a little different. Overall it is really easy to pull it out of the socket.