Car Charger KLLAK 3-port Rapid USB 4.1A Aluminum Panel Compact Designed for iPhone iPad Samsung Galaxy Android Features 3 Port 4.1A / 33W USB Car Charger can simultaneously charges any 3 tablet or smartphone devices at full speed. Intelligent to identify each attached device and provide the highest recharging power that the devices can adapt to. Intelligent circuit design protects against over-heating, over-currents, over charging and short circuit;Charging stops when battery is full. High charging efficiency, over 93% higher compared to similar products in this price range; uses cowling to keep itself cool, so there's no need to worry about overheating Certified by RoHS, CE & FCC; high-quality and safe, with protections against overheating, overcurrent, and overcharging. Charging will stop automatically when battery is full.