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Discover the Best High Capacity Power Bank of 2024: Ultimate Buying Guide

Discover the Best High Capacity Power Bank of 2024: Ultimate Buying Guide

If you're an avid traveler, a busy professional, or simply someone who relies heavily on their gadgets, you'd know the importance a reliable power bank. In this regard, high capacity power banks, typically 20,000mAh or more, not only offer extended battery life on the go but also ensure you can power multiple devices at once, without the hassle of searching for an outlet.

This guide explores why you need a high capacity power bank, how to choose the right one for your needs, and present 5 best high capacity power banks for 2024. Join us as we help you make an informed decision and ensure you're never caught with a dead battery again.

Why Do You Need a High Capacity Power Bank?

A high capacity power bank is a necessity for anyone relying on their devices to stay connected, entertained, or productive while on the move. Here are several compelling reasons why you need one:

  • Extended Usage:High capacity power banks are designed to hold more charge, which means you can keep your devices powered longer without needing a wall socket. This is particularly useful during long travel days, outdoor adventures, power outages, or in situations where access to a power source is limited.
  • Multiple Device Charging:With higher capacity comes the ability to charge multiple devices at once. Whether it's your phone, tablet, camera, or even laptop, a robust power bank can handle several devices simultaneously, ensuring that all your tech is ready to use when you need it most.
  • Increased Device Demands:Modern devices, especially high-performance smartphones and tablets, consume a lot of power due to their large, bright screens and powerful processors. A high capacity power bank ensures that these energy-hungry devices can last through a full day of heavy use without needing a power outlet.

How to Choose the Right High Capacity Power Bank

Selecting the best high capacity power bank involves more than just opting for the one with the largest capacity. To truly find a power bank that meets your needs, consider the following key factors:

  • Capacity:The capacity of a power bank is measured in milliampere-hours (mAh). Evaluate your charging requirements to determine how high of a capacity you need. For daily use, a power bank with around 10,000 to 20,000 mAh might suffice, but for extended travel or multiple devices, look for capacities over 20,000 mAh.
  • Output Specifications: Check the output voltage and current of the power bank, which determine how quickly it can charge your devices. Most smartphones and tablets require a certain input (e.g., 5V/2A) for efficient charging, but laptops often need higher voltages. If your devices support fast charging, consider a power bank that offers Power Delivery, Quick Charge or other fast charging technologies compatible with your devices.
  • Input Charging Time:A power bank itself needs to be charged. Consider how long it takes to recharge the power bank. Models with higher input current and the availability of fast charging technology can save you a lot of time.
  • Portability and Weight: While high capacity power banks provide more energy, they also tend to be heavier and bulkier. Consider how the size and weight of the power bank will affect its portability. If you need something for everyday carry, a slightly lower capacity might be more practical if it means the unit is lighter and more compact.
  • Number of Ports: If you plan to charge multiple devices simultaneously, look for a power bank with several USB ports. Many high capacity power banks come with two or more ports, including variations like USB Type-A, USB Type-C, or even built-in cables for specific devices.
  • Durability and Safety Features:A good power bank should be durable enough to withstand daily use and the occasional drop. Also, ensure it includes safety features such as overcharge protection, short circuit protection, and temperature control to protect both the power bank and your devices during use.
  • Additional Features:Some power banks come with extra features like built-in cables, LED flashlights, or digital displays. While these can add to the cost, they might also add significant value depending on your needs.
  • Brand and Warranty:Choosing a power bank from a reputable brand is often a good idea, as it can assure better build quality and customer support. Additionally, check the warranty offered with the power bank to ensure that you are covered in case of defects or issues.

Top 5 High Capacity Power Banks 2024

Here's a closer look at the top 5 high capacity power banks from Anker that not only provide substantial battery life but also feature advanced charging technologies:

Anker Prime 27,650mAh Power Bank (250W)

The Anker Prime 27,650mAh Power Bank (250W) stands out with its 250W multi-device fast charging capability, powered by the latest PD 3.1 technology. It boasts 2 USB-C ports and 1 USB-A port, capable of powering up a MacBook Pro 16" to 50% in just 28 minutes. It's remarkably compact, akin to the size of a soda can, yet packs a substantial 27,650mAh capacity—enough to charge a 13-inch MacBook Air 1.28 times or an iPhone 14 about 4.67 times.

Its TSA-approved size makes it ideal for travel, and with the Anker app, you can locate the power bank via sound alerts, access real-time stats, and engage smart charging to optimize device battery life. The power bank can be recharged at an impressive speed—fully replenishing in just 37 minutes, thanks to the 170W fast USB-C recharge feature. Additionally, Anker's ActiveShield 2.0 technology ensures devices remain at an optimal temperature during charging sessions by conducting over 3 million temperature checks daily.

Anker 737 Power Bank (PowerCore 24K)

The Anker 737 Power Bank (PowerCore 24K) delivers swift power anywhere with its 140W Power Delivery 3.1 technology, making it ideal for powering devices during travel and commutes. With a 24,000mAh capacity, it can provide up to five full charges for an iPhone 13 or 1.3 charges for an iPad Pro.

Its intelligent charge monitoring system includes a digital display that offers real-time charging information, allowing you to manage power precisely and plan recharges accordingly. This power bank is especially reliable for long-lasting use, perfect for professionals needing a dependable laptop power bank.

Anker 537 Power Bank

The Anker 537 Power Bank features 2-in-1 fast charging with a total output of 65W across two USB ports, charging two power-hungry devices simultaneously. The first USB-C port delivers up to 45W, while the second offers up to 20W.

It can be fully recharged in just 4.5 hours, which is twice as fast as standard portable chargers. The 24,000mAh capacity provides substantial power, enough for around 1 MacBook Pro charge and at least 4.8 charges for an iPhone 13 Pro—ideal for those planning a weekend getaway or frequent travelers.

Anker Prime 20,000mAh Power Bank (200W)

Equipped with formidable power, the Anker Prime 20,000mAh Power Bank (200W) delivers 200W total output through two high-powered USB-C ports and one USB-A port. This allows you to quickly charge two laptops simultaneously at 100W each, maximizing efficiency during crucial moments. Its lightning-fast recharge capability is equally impressive, with a 100W rapid recharge feature via the USB-C port that fully recharges the power bank in just 1 hour and 15 minutes.

Despite its robust capacity, the power bank boasts a compact size of 4.9 × 2.1 × 1.9 inches, making it an ideal travel companion. It fits seamlessly into any bag, ensuring you always have dependable power on the move. Additionally, its smart digital display provides real-time information on battery capacity, power input, and output, offering complete control and visibility over your charging needs.

Anker 548 Power Bank (PowerCore Reserve 192Wh)

The Anker 548 Power Bank (PowerCore Reserve 192Wh) is a powerhouse, equipped to be the ultimate emergency power source with a massive capacity of 60,000mAh. It can charge an iPhone 14 over 10 times, a MacBook Air up to 2.9 times, or keep a 3W LED lamp lit for an astounding 42.3 hours. This model features a 60W USB-C port and a 27W USB-C port, allowing simultaneous charging of your phone and laptop.

For added utility during power outages or emergencies, it includes a retractable emergency light with auto lighting, which helps in locating the charger quickly. The light also offers two levels of brightness and an SOS mode for emergency situations.

The power bank can be recharged via solar panels, promoting sustainable charging practices. A smart display on the unit provides essential information such as battery level, input and output power, estimated remaining charge time, charging modes, and more, ensuring you're always well-informed about your device's status.


Choosing the best high capacity power bank can significantly enhance your digital connectivity and mobility. By understanding your specific needs, such as device compatibility, portability, and charging speed, you can select a power bank that aligns perfectly with your lifestyle. We have reviewed the top 5 high capacity power banks of 2024 to help you make an informed decision. Investing in a reliable power bank means never having to worry about your devices running out of juice when you need them the most. Stay powered, stay connected, and embrace the freedom that a high capacity power bank brings to your digital life.


What is the average lifespan of a high capacity power bank?

The average lifespan of a high capacity power bank typically ranges between 2 to 3 years. This depends on factors such as the number of charge cycles, quality of the battery cells, and how frequently the power bank is used. Regular usage and proper maintenance can help maximize the lifespan of the device.

Can high capacity power banks charge multiple devices simultaneously?

Yes, high capacity power banks can charge multiple devices simultaneously. They typically feature multiple output ports, allowing you to connect several devices like smartphones, tablets, and even laptops at the same time. However, charging multiple devices simultaneously may affect the overall charging speed.

How long does it take to fully charge a high capacity power bank?

The time it takes to fully charge a high capacity power bank depends on several factors, including the power bank's capacity, the charging source's output, and the power bank's input specifications. Generally, a high capacity power bank (20,000mAh and above) can take anywhere from 4 to 10 hours to charge fully when using a standard wall charger. Using a charger with a higher output can reduce the charging time significantly, to around 2 hours or less.

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