Anker PowerCore 40K (A1377) 40,000mAh Power Bank Review – A Deep Dive

The Anker PowerCore 40K (A1377), boasting a massive 40,000mAh capacity, promises to keep your devices powered up for days on end. But does it live up to the hype? After weeks of rigorous testing, charging everything from my iPhone 13 Pro Max to my MacBook Air, I’m ready to share my comprehensive review.

Key Features

The Anker PowerCore 40K is packed with features designed for convenience and speed. Its standout feature is undoubtedly the 40,000mAh battery, providing multiple charges for even the most power-hungry devices. The inclusion of both USB-A and USB-C ports allows for simultaneous charging of multiple devices. The 30W USB-C Power Delivery support is a major plus, enabling significantly faster charging times compared to standard power banks.

Colour Name Black
Model Number A1377, A1377H11
Model Name A1377, Anker 347
Item Quantity 1

Performance & Testing

My testing involved charging a variety of devices. The iPhone 13 Pro Max consistently achieved around 8 charges, very close to the advertised 8.8. The Samsung Galaxy S22 Ultra yielded approximately 6 charges, again aligning with Anker’s claims. Even my MacBook Air 2020 received a respectable 2 charges, sufficient for a day of light usage. The 30W USB-C charging was particularly impressive, consistently delivering fast charging speeds. Charging my iPhone 13 Pro Max to 50% in under 30 minutes was easily achievable. The multiple ports allowed me to simultaneously charge my phone, earbuds, and tablet without issue, making it ideal for travel.

However, the size and weight are noticeable. This is a substantial power bank; it’s not something you’d slip easily into a small bag. While the build quality is excellent, the sheer bulk might deter some users.

Pros & Cons

  • Pros: Massive capacity, fast charging (30W USB-C PD), multiple ports, robust build quality, reliable performance.
  • Cons: Large and heavy, slightly expensive compared to some competitors.

Final Verdict

The Anker PowerCore 40K (A1377) is a powerful and versatile power bank that delivers on its promises. The massive capacity, fast charging capabilities, and multiple ports make it a fantastic option for anyone who needs reliable power on the go. While the size and weight might be a drawback for some, the sheer convenience and performance outweigh the inconvenience for me. If you need a power bank that can handle multiple devices and provide multiple full charges, this is an excellent choice. I highly recommend it.