The Anker Advantage: Join the 30 million+ powered by our leading technology. High Capacity: Charges the iPhone 6 3.7 times, the Galaxy S6 three times or the iPad Air almost once. Safely recharges with a 2 amp output charger (most phone chargers have 1 amp output). Fast Charging Technology: PowerIQ and VoltageBoost combine to deliver the fastest possible charge up to 2.4 amps per port or 3 amps overall. Input: 5V / 2A. Certified Safe: Anker’s MultiProtect safety system ensures complete protection for you and your devices. What You Get: Anker PowerCore 10400 Portable Charger, Micro USB cable, our fan-favorite 24-month warranty and friendly customer service.