Car Charger, RODOT 4-port USB Fast Charger 10 Amp (50 Watt) High Power Smart USB Car Adapter Cigarette Charger for iPhone, iPad, Samsung, Nexus, HTC, Sony and More (50W 4ports Black) Supporting to charge 4 devices simultaneously. 4 Ports 10A / 50W USB car charger can simultaneously charge any 4 tablet or smart phone devices at full speed. Smart Identification:Detects your devices to deliver its fastest possible charge speed up to 2.5A per port. Safely USB charging,effectively prevent the safety accident. Power short circuit protection,overcurrent & overvoltage and overload protection to ensure safely charging.