POWERFUL PORTS (9.6A): 4 USB car charger ports charges your every-day mobile devices with Smart IC technology. A single port can provide up to 3A of charging power, if adjacent port is not occupied. CHARGE MULTIPLE DEVICES: 2 USB car charging ports are available for the front seat and another 2 USB car charger ports are available for the back seat. Charge up to a total of 4 different compatible devices including (but not limited to) iPads, Tablets, iPhones, iPods, HTC, Galaxy, Blackberry, MP3 Players, Digital Cameras, PDAs & other Mobile Phones. Even with all 4 ports occupied, each port will support up to 2.4A charging current. SMART IC TECHNOLOGY: Smart Intelligent Circuit detects the optimum charging current for your smart device and provides sufficient power for the fastest, most efficient charging experience. It is designed to protect against short circuiting, over-heating, over-currents, and over-charging. QUAD CHARGING ABILITY: Four smart USB ports quickly identify any mobile device to provide optimal charging efficiency. (Note: iOS devices do not support Smart IC. iOS devices will charge at their normal maximum charging current.) Sleek, compact and lightweight design for added portability, featuring an input: 12-24V DC; Output: 5V DC 9.6A Total. Front Seat: 5V DC, 4.8A (2.4A + 2.4A); Back Seat: 5V DC, 4.8A (2.4A + 2.4A). 100% SATISFACTION GUARANTEED: 2-YEAR exclusive warranty ensures you are protected for 2 years of this product and 30-DAY MONEY-BACK GUARANTEE offers peace of mind, enabling you to return the product in case you don't like your purchase for any reason.