About this item The Anker Advantage: Join the 55 million+ powered by our leading technology. Charge Up to 3x Faster: Power up the iPhone 12 series to 50% in less than half an hour—that’s 3x faster compared to an original 5W charger. Take Anywhere: Easily carry PowerPort III 20W Cube with you thanks to the compact design. Superior Safety: Equipped with a wide range of safety features including temperature control and current regulation to protect your connected devices.