Portable power bank at home

What is a power bank?

Power banks provide a reliable power reserve: compact, rechargeable units that keep phones, laptops, and tablets running when outlets are out of reach. Power banks range from tiny keychain models to 25-pound monsters. For this guide, we focused on the most useful category: personal-use portable banks.

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.

Should you buy a power bank?

Modern life runs on portable electronics, and dead batteries aren’t an option. Power banks provide a reliable power reserve: compact, rechargeable units that keep phones, laptops, and tablets running when outlets are out of reach. Power banks range from tiny keychain models to 25-pound monsters.

Should I buy a power bank or a portable charger?

On the whole, yes. I''ve tested hundreds of power banks and portable chargers from a myriad of companies, and as long as you steer clear of the cheap no-name junk that you might find in dollar stores and gas stations you should be safe. You no doubt noticed I said "should" there. Let me explain what I mean.