A Guide to the Best Battery Pack Options

The best power bank overall is the Anker MagGo Power Bank (10K, Slim). You get a perfect balance of slim design and powerful Qi2 wireless charging. The market for the best power banks is growing to over $20 billion, making your choice of power bank crucial.

This guide to the top battery packs also reveals the best portable charger for laptops and the ideal ultralight battery pack for travel. We found the best portable chargers to make your decision easy. This is the best power bank overall for most people.

Our Picks for the Best Power Banks of 2025

You need a reliable charge on the go. We tested dozens of models to find the absolute best power banks for every need and budget. This guide gives you clear winners so you can choose with confidence.

Best Overall Portable Charger: Anker MagGo 10K

The Anker MagGo Power Bank (10K, Slim) is the power bank overall champion for 2025. It delivers the perfect mix of modern features, a slim profile, and strong performance. You get cutting-edge 15W Qi2 wireless charging that magnetically snaps to your iPhone or Qi2-compatible Android device. Its design is the slimmest 10,000mAh unit we tested, making it easy to carry everywhere.

This power bank shows impressive thermal control. It stays cool during use, with discharge temperatures around 40.6°C. This means better efficiency and a longer lifespan for your device. While its Qi2 efficiency of 55% is average, its real-world wired efficiency is a solid 72.5%.

Expert Take: Android Police gives it an 8/10 rating, praising its compact size and Qi2 support. However, they note the silicone finish can attract lint and it lacks a built-in stand.

Who it’s for: You want the best power bank overall. You own a MagSafe iPhone or a Qi2-enabled Android and value fast wireless charging in a sleek, portable package.

Best Portable Charger for Phones: Anker Nano 10K

The Anker Nano Power Bank (10K) is the best portable charger for phones. It packs a 10,000mAh capacity into a compact body, making it the best compact power bank for phones. Its standout feature is the built-in USB-C cable, so you never have to remember to bring one. The smart display is another huge win. It shows you the exact battery percentage, charging time, and power output.

This is the best compact fast charging power bank for your daily needs. It offers a powerful 30W output from a single USB-C port, perfect for quickly charging modern phones and even some tablets.

Who it’s for: You need the best for phones. You want a simple, all-in-one solution for keeping your phone and other small devices charged throughout the day. The built-in cable and smart screen make it the most user-friendly option available.

Best for Laptops: Anker 747 PowerCore 26K

When you need serious power for your laptop, the Anker 747 PowerCore 26K is the answer. This is the best portable charger for laptops, delivering a massive 87W output from a single port. That is enough to charge a 13-inch MacBook Pro at full speed. With a huge 26,800mAh capacity, this power bank for large power capacities can fully recharge most laptops once or keep your phones and tablets going for days.

Anker builds this device for safety and durability. It uses advanced lithium polymer cells and proprietary PowerCell 2.0 technology. Its battery testing facility is certified by both UL and the Japan Quality Assurance Organization, giving you peace of mind. This is the best for laptops.

• Kapazität: 26,800 mAh
• Wattage: 87W Max Output
• Gewicht: 22.2 oz / 630 g
• Price: ~$149

Who it’s for: You are a remote worker, a student, or a digital nomad. You depend on your laptop and cannot risk running out of battery. This power bank provides the performance and capacity to keep you productive anywhere.

Best Budget Option: Iniu Pawsible P41L-E2

Finding a great deal does not mean you have to sacrifice quality. The Iniu Pawsible P41L-E2 is the best budget portable charger on the market. It offers a reliable 10,000mAh capacity, a handy phone stand, and three output ports—all for under $30. This makes it one of the best portable chargers for anyone on a tight budget.

Iniu offers a 3-year warranty, which is impressive for this price point.

Customer experiences with the warranty are mixed. Some users report receiving quick and helpful service for replacements. Others have found it difficult to get a response.

Who it’s for: You need a dependable, no-frills battery pack without breaking the bank. This is the best budget portable charger for everyday top-ups and casual use.

Best for Ultralight Travel: Nitecore NB10000

For those who count every gram, the Nitecore NB10000 is the ultimate lightweight power bank. At just 5.3 oz (150 g), it is 40% lighter than conventional power banks with the same 10,000mAh capacity. This incredible weight-to-power ratio comes from its unique construction. The frame and panels are made from carbon fiber, a material known for its strength and low weight.

This makes it the best for travel, especially for backpackers, hikers, and minimalists. The charging performance is excellent, providing enough power to charge most phones two to three times. While the carbon fiber enhances shock resistance, you should still handle it with care, as some tests suggest its durability in a drop is not its strongest feature.

• Kapazität: 10,000 mAh
• Wattage: 20W Max Output
• Gewicht: 5.3 oz / 150 g
• Price: ~$60

Who it’s for: You are an ultralight traveler, thru-hiker, or anyone who prioritizes minimizing weight above all else. This power bank delivers maximum power for minimum weight penalty, making it a top choice for any adventure.

Key Features of the Best Portable Chargers

Choosing the right battery pack goes beyond just picking the biggest number. You need to understand a few key features to find the perfect match for your devices and lifestyle. This ensures you get the performance you pay for.

Understanding Capacity (mAh)

Capacity, measured in milliamp-hours (mAh), tells you how much energy a power bank holds. A higher number means more charging power. However, you never get the full advertised amount. You can expect to lose 10% bis 30% of the advertised capacity to heat and voltage conversion. A quality 10,000mAh power bank gives you excellent real-world charging performance for your phones.

The Importance of Charging Speed (Watts)

Charging speed, measured in watts (W), is crucial. Higher wattage means faster charging for your phones and tablets. The best portable chargers support fast-charging standards to maximize charging speeds. Look for these two main types:

• Power Delivery (PD): This is a universal standard using USB-C. It can power everything from your phone to your laptop, making it a versatile and future-proof choice.
• Quick Charge (QC): This technology from Qualcomm is common in Android devices. It provides a significant speed boost over standard charging.

Essential Ports and Connectors

Your portable battery needs the right ports for your gear. Most modern portable battery packs include USB-C and USB-A ports. A power bank for large power capacities might offer multiple ports to charge several devices at once.

Profi-Tipp: Look for a feature called “pass-through charging.” This lets you charge your devices and the portable battery pack at the same time from a single wall outlet. It is a huge convenience that reduces cable clutter.

Airline Regulations for Carry-On

You must follow airline rules for safe travel. The FAA and TSA require you to pack all portable batteries in your carry-on bag, not your checked luggage. Most battery packs under 100 watt-hours (Wh), which covers nearly all standard models up to 26,800mAh, are fine to fly with.

Make sure the capacity is clearly printed on the device. Security agents will check this label. Unmarked battery packs may not be allowed on the plane.

How to Choose the Right Battery Pack

Choosing the right battery pack ensures you have power when you need it most. Your daily routine and the devices you carry determine the perfect fit. Match your needs to the right features for the best experience.

For Daily Phone Top-Ups

You need a simple boost for your phone during the day. A power bank with a 5,000 to 10,000 mAh capacity is your ideal choice. This range offers the best balance of portability and power, giving your phone one or two full charges. Look for the best compact power bank for phones that slips easily into a pocket or purse. Models like the Belkin BoostCharge Plus 10K are small, light, and perfect for daily commuters. You get the best portable charger for phones without the extra weight.

For Powering Laptops and Tablets

You need serious power for your laptop and tablets. A standard portable battery won’t work. You must choose a model with a high wattage output, typically 45W or more. For example, a 14-inch MacBook Pro requires around 67W for efficient charging. The best portable charger for laptops, like the Anker 747 PowerCore, delivers this level of performance. Check your laptop’s charger to find the wattage you need. This ensures your power bank can keep up with your demanding devices.

For Multiple Devices and Family Trips

You are juggling multiple devices for yourself or your family. You need a power bank for large power capacities and several ports. For a family of four on a full-day trip, a capacity of around 25,000mAh is perfect. This keeps everyone’s phones and tablets charged. Models like the Charmast 26800mAh offer multiple output ports, so nobody has to wait. These larger battery packs are essential for group travel.

For Outdoor and Rugged Use

Your adventures take you off the grid. You need a battery pack built for the elements. Look for rugged portable batteries with high Ingress Protection (IP) ratings. An IP67 or IP68 rating means the device can survive being submerged in water, making it the best waterproof power bank for river crossings or unexpected rain. These models prioritize durability with shock-absorbing materials. Some, like the Goal Zero Torch 500, even include built-in flashlights and solar charging options for true emergencies.

You now have the information to pick your perfect power bank. This guide helps you select the right battery pack for your needs.

• Best Overall: Anker MagGo 10K
• Best for Laptops: Anker 747 PowerCore 26K
• Best Budget: Iniu Pawsible P41L-E2

Choose the Anker MagGo 10K for the best power bank overall. For serious laptop power, the Anker 747 power bank is unmatched. The Iniu Pawsible is the best budget portable charger; you get the best budget portable charger for under $30. Buy with confidence and stay charged.

FAQ

What does mAh really mean for my phone?

You can think of milliamp-hours (mAh) as the size of your power bank’s fuel tank. A 10,000mAh capacity gives you enough power to charge most modern phones at least twice. You get a reliable power reserve for your daily needs.

Can I bring any power bank on a plane?

You must pack your power bank in your carry-on bag. Airlines limit you to batteries under 100Wh (about 26,800mAh). This rule makes your travel preparations simple. You can fly confidently with nearly all standard power banks.

Is a more expensive power bank better?

Yes, you get what you pay for. A higher price often buys you faster charging speeds, advanced safety features, and greater durability. You should invest in a premium model for better performance and a longer lifespan.

How many times will a 10,000mAh power bank charge my phone?

A 10,000mAh power bank reliably charges most phones two times. The exact number of charges depends on your phone’s specific battery size. This capacity is perfect for a full day of heavy use or short travel.