Car Charger - WAWO 10A / 50W High Power 4 Port Smart USB Car Charger - Black Features: 4 Port 10A / 50W USB car charger can simultaneously charge any 4 tablet or smart phone devices at full speed. Exclusive SI: Detects your devices to deliver its fastest possible charge speed up to 2.5A per port or 10A overall Safe and Reliable: Low heat,short-circuit protection and temperature protection Fully charge all your devices while on the road traveling or during your daily commute. Support all of your passengers or devices at the same time! Free lifetime technical support and 18-month manufacturer's warranty.