MPOW Dual USB Ports 5.2/17W Portable USB Car Charger Mpow 5.2A car charger is one of the adapters capable of allowing the latest iPad and a smart phone to achieve their fully-intended charging speeds, simultaneously. X-Smart technology. It intelligently identifies your device to deliver its fastest possible charge. Both USB ports(2.6A) offers rapidly charging of smart phones, tablets, and other devices. Smart charge at maximum speed limited by devices or USB ports, automatically stops when the device battery is full. Mpow 5.2A car charger is the most compact and solid car charger in the world. Safely protect devices and charger from overheated Mpow dual USB ports car charger will automatically stops working when over current or over voltage is detected, switch to minimal charging current when battery is full. With the high charging efficiency of over 85%, the charger itself never get hot.