High Capacity Hero: The super huge 40,000mAh cell capacity provides 8.8 charges for iPhone 13, 6.8 charges for Samsung S22 Ultra, and 2.3 charges for MacBook Air 2020. High-Speed Charging: 30W USB-C charging gives you the power you need to charge up your iPhone 13 to 53% in just 28 minutes. Power for 4: Equipped with 2 USB-A and 2 USB-C ports, the portable charger is ideal for charging your laptop, phone, tablet, and earphones. Wide Compatibility: Supports Power Delivery charging technology and works flawlessly with a wide range of devices such as laptops, phones, tablets, and more. What You Get: Anker 347 Power Bank (PowerCore 40K), USB-A to USB-C cable, 18-month stress-free warranty, and our friendly customer service