Product Description: 4X FAST CHARGING: Input (12-24V), Combined Output Power (6A-36W). Both Ports Qualcomm 3.0 USB Quick Charger with 3A-18W each Compatible to Charge two devices Simultaneously at 4 times faster than Conventional Car Chargers. MULTI-LEVEL PROTECTION: Intelligent Circuit Design to Protect your device from Overcharging, Overheating, Overvoltage and Short Circuiting. SMART IC (Intelligent Adaptive Technology): Both USB Ports have auto-detect Smart Charge Technology, Which Identifies your device and Charges it at its fastest Supported Speed. UNIVERSAL COMPATIBILITY: Compatible with all Car USB Charge devices including Android and Apple iOS Systems, Smartphones, Tablets, etc. Backward Compatible with all Quick Charge Versions and Supports all Non-Qualcomm devices at their maximum performance up to 2.4 Amp per port Fast Charge.