The Anker Advantage: Join the 30 million+ powered by America's leading USB charging brand. Quick Charge 3.0: Up to 4x faster than standard chargers, able to charge compatible devices to 80% in just 35 minutes. Backwards compatible with all versions of Qualcomm Quick Charge. Ultra-High Capacity: 20, 000mAh is enough capacity to charge the iPhone 6s seven times, the Galaxy S6 five times and most tablets at least twice. Compact: Much smaller than other high-capacity portable chargers. Possibly the most power ever packed into such a small space. What You Get: PowerCore 20000 with Quick Charge 3.0, Micro-USB cable our worry-free 24-month warranty and friendly customer service.