ARCTIC Home Charger 4500 - USB Portable Wall Charger, 4-Port Charger with 4.5 A Total Output, Fast Charging Multiport Travel Charger for Apple, Android and USB Devices - Black 4 USB ports with fast charge capabilities designed to charge multiple devices simultaneously; 4.5 A total output ideal for charging tablets/smartphones/e-reader/MP3 86% efficiency saves our environment and your money, keeps the temperature low and the service life of the USB charger high Guaranteed safety with overload safety protection on each port protecting charging devices Small, easy to carry; Ultra-compact and ergonomic charger design for easy one-hand operation and traveling 2 Year Warranty - At ARCTIC, we believe in our products. That's why we back them all with a 24-month manufacturer warranty and provide friendly, easy-to-reach support