The Anker Advantage: Join the 10 million+ powered by our leading technology. High capacity: weighs as little as a can of soup (13.3 oz.) yet charges the iPhone 6 five times, the Galaxy S6 four times or the iPad air almost One and a half times. Fast-charging technology: PowerIQ and Voltage Boost combine to deliver the fastest possible charge up to 2.4 amps per port or 4.8 amps overall. Input: 5V/ 2a.