Recommended portable power bank for thin and light notebooks

How to choose a laptop power bank?

We suggest looking for a laptop power bank with a 20,000 mAh or larger battery pack. This capacity will ensure that you can fully charge a laptop and have spare power for a phone, a tablet, and other small gadgets such as wireless headphones or earbuds. A battery pack with enough power to charge a laptop is all but guaranteed to generate heat.

What is the best laptop power bank?

The existing picks have been vetted for currency and availability. The Anker Laptop Power Bank has a capacity of 25,000mAh, but more importantly, it can deliver 100W of power from a single port. That means it can charge larger, more power-hungry devices, such as laptops, just as effortlessly as it can juice up a phone or tablet.

What are the best portable chargers & power banks in 2025?

November 18, 2025: With this update, our lineup of recommended portable chargers and power banks remains unchanged. The existing picks have been vetted for currency and availability. The Anker Laptop Power Bank has a capacity of 25,000mAh, but more importantly, it can deliver 100W of power from a single port.

How much power does a power bank need?

First up, and arguably the most important factor, is the power output, measured in watts (W). This determines how quickly the power bank can charge your devices. For a laptop, you need a power bank with a high enough wattage to match your laptop''s charger. Most modern laptops, especially ultrabooks, require at least 30W to 60W of power.