Best Portable Power Banks 2025: Never Run Out of Battery Again

Dead battery anxiety is real. Whether you're traveling, commuting, or just out for the day, there's nothing worse than watching your phone's battery percentage drop into the red zone. That's where portable power banks come to the rescue—your personal power station that fits in your pocket or bag.

We've tested and researched the best portable power banks of 2025 to help you find the perfect charging companion. From ultra-compact options that slip into any pocket to massive capacity beasts that can charge your laptop multiple times, we've got you covered.

What Makes a Great Power Bank?

Before we dive into our top picks, here's what separates the best power banks from the rest:

Capacity: Measured in milliampere-hours (mAh), this determines how many times you can charge your devices. A 10,000mAh power bank can typically charge a smartphone 2-3 times.

Charging Speed: Look for power banks with fast charging technologies like Power Delivery (PD) or Quick Charge (QC) to minimize wait time.

Portability: The best power bank balances capacity with size and weight. A 20,000mAh brick won't do you much good if it's too heavy to carry.

Build Quality: Durable construction and safety features like overcharge protection are essential for longevity and peace of mind.

Port Selection: Multiple ports and wireless charging capabilities add versatility for charging several devices simultaneously.

Our Top Picks for 2025

Best Overall: Anker 737 Power Bank (PowerCore 24K)

Capacity: 24,000mAh | Output: 140W USB-C PD | Weight: 1.3 lbs

This powerhouse from Anker is the Swiss Army knife of portable chargers. With 140W USB-C Power Delivery, it can fast-charge even demanding laptops like the MacBook Pro, while still having enough juice to top up your phone and tablet multiple times.

What we love: The digital display shows exact battery percentage (no more guessing with LED lights), and the 140W output means you can charge a 16-inch MacBook Pro at full speed. The two USB-C ports and one USB-A port let you charge three devices simultaneously.

Worth knowing: It's heavier than smaller power banks, but the capacity and charging speed justify the weight. The 140W charging capability also means it recharges itself incredibly fast—fully charged in about 1.5 hours with a compatible charger.

Best for Most People: Anker PowerCore Slim 10K

Capacity: 10,000mAh | Output: 20W USB-C PD | Weight: 7.4 oz

If you need something that actually fits in your pocket without weighing you down, this is it. The PowerCore Slim 10K is barely thicker than your smartphone but packs enough power for 2-3 full phone charges.

What we love: At under half a pound, you'll barely notice it in your bag or pocket. The 20W USB-C PD output charges iPhones and Android phones at full speed, and the slim profile makes it easy to hold your phone and power bank together while charging on the go.

Worth knowing: The 10,000mAh capacity won't charge laptops effectively, but for smartphone users, it hits the sweet spot of portability and power. Available in multiple colors to match your style.

Best Budget Option: INIU Portable Charger 10000mAh

Capacity: 10,000mAh | Output: 22.5W | Weight: 6.7 oz

You don't need to spend a fortune for reliable portable power. The INIU 10000mAh delivers impressive performance at a budget-friendly price point.

What we love: The tri-port design (two USB-A and one USB-C) lets you charge three devices at once, and the 22.5W output provides fast charging for most smartphones. The slim design and included travel pouch make it perfect for everyday carry.

Worth knowing: Build quality is solid for the price, though it doesn't feel quite as premium as Anker's offerings. The LED display shows battery level clearly, and INIU backs it with a 3-year warranty—impressive for this price range.

Best High-Capacity: Baseus Blade 100W Laptop Power Bank

Capacity: 20,000mAh | Output: 100W USB-C PD | Weight: 1.1 lbs

When you need serious power for extended trips or multiple device charges, the Baseus Blade delivers. This sleek power bank can handle everything from smartphones to gaming laptops.

What we love: The 100W USB-C output charges most laptops at full speed, and the unique blade-like design makes it easier to pack than traditional rectangular power banks. The digital display shows remaining battery percentage and current output wattage, so you always know what's happening.

Worth knowing: The 20,000mAh capacity provides roughly 1.5 charges for a 13-inch laptop or 4-5 smartphone charges. It supports pass-through charging, meaning you can charge the power bank while it charges your devices—perfect for overnight charging.

Best Ultra-Compact: Anker Nano Power Bank (10,000mAh, Built-In USB-C Cable)

Capacity: 10,000mAh | Output: 30W USB-C PD | Weight: 7.9 oz

The Anker Nano eliminates the cable clutter with a built-in USB-C cable that folds neatly into the body. It's perfect for iPhone 15 users and anyone who wants to travel ultra-light.

What we love: No more forgetting or losing charging cables! The built-in USB-C cable is durable and retracts cleanly. Despite the compact size, it delivers 30W fast charging—enough for quick iPhone top-ups or even charging an iPad at decent speeds.

Worth knowing: There's also a USB-C port for charging other devices or recharging the power bank itself. The lipstick-sized design makes it incredibly pocketable, though the built-in cable is USB-C only (you'll need an adapter for older devices).

Best Wireless Option: Anker 633 Magnetic Battery (MagGo)

Capacity: 10,000mAh | Output: 20W wired, 7.5W wireless | Weight: 8.5 oz

For iPhone 12 and newer users, this MagSafe-compatible power bank snaps magnetically to your phone for wireless charging on the go. It's the most convenient charging experience you can get.

What we love: The magnetic attachment is strong and precise—your phone stays perfectly aligned while charging. The foldable stand props up your phone for watching videos while charging. When you need faster charging, the USB-C port delivers 20W wired charging.

Worth knowing: The 7.5W wireless charging is slower than wired options, but the convenience factor is unbeatable. The kickstand is surprisingly sturdy and useful for video calls or watching content. Works with MagSafe-compatible cases.

Best for Travel: RAVPower 20000mAh 60W Power Bank

Capacity: 20,000mAh | Output: 60W USB-C PD | Weight: 13.4 oz

This TSA-friendly power bank is designed for travelers who need reliable power without sacrificing portability. The 20,000mAh capacity keeps your devices charged through long flights and layovers.

What we love: The 60W output handles most laptops, tablets, and phones with ease. The three-port design (two USB-C, one USB-A) means you can charge your laptop, phone, and earbuds simultaneously. The durable aluminum housing feels premium and protects against drops.

Worth knowing: At 20,000mAh, it's right at the TSA limit for carry-on luggage. The included travel case keeps cables organized. It recharges fully in about 3 hours with a 60W charger.

How to Choose the Right Power Bank for You

For Daily Commuters

If you're just topping up your phone during the workday, a 10,000mAh slim power bank is your best bet. It's light enough to carry daily and provides 2-3 full charges—plenty for most people's needs.

For Travelers

Go for a 20,000mAh power bank with multiple ports and fast charging. You'll have enough power for long flights and the ability to charge multiple devices without hunting for outlets.

For Remote Workers

If you're charging laptops on the go, invest in a high-wattage power bank (60W or higher) with at least 20,000mAh capacity. Look for USB-C Power Delivery support to ensure compatibility with your laptop.

For Minimalists

An ultra-compact 5,000-10,000mAh power bank with a built-in cable eliminates bulk and the need to carry extra cables. Perfect for emergency charges when you travel light.

Pro Tips for Power Bank Users

Check airline regulations: Most airlines allow power banks up to 27,000mAh (100Wh) in carry-on luggage, but they must be in your carry-on, not checked bags.

Keep it charged: Power banks slowly lose charge over time. Top yours off every few months, even if you're not using it regularly.

Match your cables: Make sure you have the right cables for your devices. USB-C to USB-C cables support the fastest charging speeds for modern devices.

Consider your usage: Don't over-buy capacity. A massive 30,000mAh power bank is overkill if you're just topping up your phone once a day.

Temperature matters: Extreme heat or cold can damage power banks and reduce their lifespan. Keep them at room temperature when possible.

The Bottom Line

The best portable power bank for you depends on your specific needs, but you really can't go wrong with the Anker 737 Power Bank if you want maximum versatility and power, or the Anker PowerCore Slim 10K if you prioritize portability and everyday convenience.

For most people, a 10,000-20,000mAh power bank with fast charging support will handle all your portable power needs. Invest in a quality option from a reputable brand, and you'll have reliable backup power for years to come.

Never let a dead battery ruin your day again—with the right power bank in your bag, you'll always be ready to stay connected, productive, and entertained, no matter where life takes you!