Zendure 40W Max A-Series 4-Port USB High-Speed Wall Charger with One QC 2.0 Port and Three 5V Zen+ Ports for Smart Phones, Tablets, Game Consoles, Music Players, Cameras, and More Design & Style - Specially designed for the Zendure A-Series external batteries and other 5V USB chargeable devices. Durable, Compact, Lightweight - It's a 4-port charger that can go anywhere and won't slow you down. High Speed 4-port Charger - including 1 Quick Charge 2.0 USB output capable of delivering up to 9V/2A , 12V/1.5A (18W MAX) for Qualcomm Quick Charge 2.0 compatible devices. The other 3 ports are equipped with Zendure's ZEN+ Technology which will automatically fine tune the power output according to your device (up to 5V/2.4A per port, and 5V/4.0A in total). The total maximum output is 5V/8A (40W) among all 4 ports. Safeguard - Equipped with multiple safety protection system. ETL, FCC &CE certified. Excellent choice for both home use and travel.