Product Description: Ultra-large 40,000mAh capacity Charges a Samsung 6.7", iPhone 7.5", iPad 3, and 2020 MacBook Air 2.6" approximately. 30W USB-C charging Charge an iPhone 13 to 53% in just 28 minutes. Equipped with two USB-A ports and two USB-C ports. Ideal for charging your laptop, phone, tablet, and earphones. 40,000mAh battery capacity 30W maximum output USB-C high-speed charging Charge an iPhone 13 to 53% in just 28 minutes. Ideal for travel. Safe for your electronic devices.