Does a 20W power bank count as fast charging?

Yes, a 20W power bank counts as fast charging—especially for smartphones. It’s powerful enough to charge most iPhones and Android phones to around 50% in about 30 minutes (if your device supports fast charging).

Is 20W a good power bank?

While it’s not as fast as higher-wattage (60W+) options used for laptops or tablets, 20W is still a solid, efficient speed for everyday phone charging. Charge faster and stay connected on the move with 2025’s best power banks with fast charging.

How much power can a power bank charge?

Keep in mind: TSA allows power banks up to 100Wh (about 27,000mAh) in carry-on luggage. Having multiple ports means more flexibility. The best power banks let you charge 2–3 devices at once without bottlenecking speeds. Bonus if they come with a built-in cable —great for quick plug-and-go situations. Look for:

What are the best portable power banks with fast charging?

The best portable power banks with fast charging don’t just deliver raw power—they do it efficiently, safely, and on your terms. Here are the top 5 picks you’ll want to check out this year: 1. Anker Prime 27,650mAh Power Bank (250W) If you’re looking for the kind of power bank that doesn’t flinch when faced with charging a MacBook Pro, this is it.

Do power banks charge faster?

Yes—some power banks charge much faster than others. It depends on their wattage output and whether they support modern charging standards like USB-C Power Delivery (PD). A 65W or 140W power bank, like Anker’s offerings, will charge your devices significantly faster than a basic 18W model.

Can a power bank charge a MacBook Pro Fast?

Yes, there are power banks that offer super fast charging, especially those with USB-C Power Delivery (PD) 3.0 or 3.1. Models like the Anker Prime 250W or Anker 737 (140W) can charge devices like a MacBook Pro or iPhone 15 incredibly fast—up to 50% in around 30 minutes.