High-Speed 40,000mAh Power Bank for MacBook, iPhone, Samsung Galaxy, and iPad

At Previous page, our aim is for you to live without the inconvenience and uncertainty of where your next charge is coming from. With our chargers and accessories, you don't just power up your devices – you get the tech experience you’ve always wanted with zero restrictions.

In a snap, get doubly fast charging with our products. Check out our product lines, including C-ing is Believing, Anker Prime, Anker's Sustainability Plan, and more on the Next page.

Unrivaled Speed – With 30W USB-C charging, you can charge your iPhone 13 up to 50% in just 28 minutes, which is up to 3 times faster than your old 5W charger. Our chargers are also compatible with laptops like the MacBook Air 2020, tablets such as the 2021 iPad Pro 12.9", and phones like the iPhone 13, Samsung S22, and Samsung S21. They can even handle other devices like AirPods and Apple Watch Series 5, and are designed for optimized charging to low-power devices such as earphones and Bluetooth speakers.

Our Anker Power Banks come with various features such as high capacity, portable design, 30W max output, and 4-in-1 fast charging with multiple ports for simultaneous multi-device charging. They also come with advanced safety features including overcharge protection, short-circuit protection, and a fireproof casing for safer charging.

The Anker 347 Power Bank (PowerCore 40K) is a super-powerful 4-in-1 power bank with an enormous 40,000mAh battery capacity that can charge your devices for several days. It has 2 USB-C and 2 USB-A ports for fast and powerful charging, as well as trickle charging mode for low-powered devices. It also comes with Anker's exclusive MultiProtect safety technology and Negative Temperature Coefficient (NTC) sensors for precise temperature monitoring.

Experience the Powerbank: With an impressive 40,000mAh battery capacity, it offers 8.8 charges for iPhone 13, 6.8 charges for Samsung S22 Ultra, and 2.3 charges for MacBook Air 2020.

Swift Power Boost: Enjoy rapid charging with our 30W USB-C capability, reviving your iPhone 13 to 53% in just 28 minutes.

Simultaneous Multi-Device Charging: With 2 USB-A and 2 USB-C ports, this power bank is your ultimate charging hub for all your essentials - laptop, phone, tablet, and earphones.

Universal Compatibility: Thanks to the Power Delivery charging technology, this power bank seamlessly integrates with a plethora of devices such as laptops, phones, and tablets.

What's in the Box: The package includes the Anker 347 Power Bank (PowerCore 40K), a USB-A to USB-C cable, an 18-month worry-free warranty, and our committed customer service for an effortless charging experience.

product information: