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The best laptop power banks for 2025

Larger power banks can keep your laptop charged up when you're not near an outlet -- we tested a bunch to help you find the right one for you.

Traveling is one of the top reasons people need to use a portable laptop charger — planes, trains, buses and airports aren’t exactly the easiest places to find a power source. On top of that, in order to feed a charge from a power bank to a laptop, a voltage conversion takes place and that dissipates a decent amount of energy. Every large power bank I’ve tested has at least three USB ports, with a mix of USB-C and USB-A, which should cover nearly any portable device you need to recharge — earbuds, phones, tablets, laptops, you name it.

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