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Discover the Best Small Power Bank of 2024: Ultimate Buying Guide

Discover the Best Small Power Bank of 2024: Ultimate Buying Guide

If you're one of us who can never make it through a day on a full charge or if you're often on the move, a small power bank is a must-have. Sleek, lightweight, and efficient, these devices ensure your gadgets are always powered up on-the-go.

In this guide, we'll explore the key benefits of small power banks, what factors to consider when choosing one, and unveil our top recommendation for the best small power bank on the market to ensure you're never caught without a charge.

What Are the Benefits Offered by Small Power Banks

Small power banks have become increasingly popular due to their portability and convenience, making them an ideal choice for those always on the move. Here are some key benefits they offer:

  • Portability: One of the primary advantages of small power banks is their compact size. They are lightweight and small enough to fit in a pocket, purse, or small bag, making them easy to carry around anywhere you go.
  • Convenience: With a small power bank, you can charge your devices on the go without having to look for a power outlet. Whether you're traveling, attending a full-day event, or commuting, a power bank ensures your device stays charged.
  • Versatility: Most small power banks provide two or more USB ports and can charge various devices, from smartphones to tablets and even some laptops. This makes them a versatile accessory for anyone with multiple gadgets.
  • Affordability: Small power banks are generally more affordable than their larger counterparts, making them accessible to a wider range of consumers.

What to Consider When Choosing Small Power Banks

Selecting the right small power bank requires considering several factors to ensure it meets your needs. Here are the key aspects to keep in mind:

  • Capacity: The capacity of a power bank is measured in milliampere-hours (mAh). It's crucial to choose a power bank with enough capacity to charge your device fully at least once. For most smartphones, a power bank with a capacity of 5,000 to 10,000 mAh should suffice.
  • Output Specifications: Check the output voltage and current of the power bank. It should match or exceed the requirements of your device to ensure efficient charging. Look for options with multiple output ports if you plan to charge more than one device simultaneously.
  • Input Charging Time: Consider how long it takes for the power bank itself to charge. A power bank with a quick recharge time can be ready to go sooner, which is especially useful for frequent travelers.
  • Portability: Although all small power banks are designed to be portable, their size and weight can vary. Opt for one that strikes a balance between capacity and compactness, fitting easily into your daily carry without adding too much bulk.
  • Durability: A good power bank should withstand regular use and the occasional drop. Look for models with robust build quality and perhaps even splash or dust resistance if you'll be using it outdoors.
  • Safety Features: Safety is paramount when choosing a power bank. Opt for models with built-in protections against overcharging, short circuits, and overheating. These features ensure both the longevity of the power bank and the safety of your devices.
  • Brand Reliability: Choosing a power bank from a reputable brand is often a wise decision. Established brands generally offer better customer support, warranties, and assurance of product quality.
  • Additional Features: Some power banks come with extra features like built-in cables, LED flashlights, or digital displays. Consider which additional features might be useful to you.
  • Price: Power banks come in a range of prices. Determine your budget first but remember that the cheapest option may not always offer the best value. Consider investing a bit more for a durable, efficient, and safer power bank.

Best Small Power Bank Recommended

Here, we recommend three of the best small power banks from Anker, each offering a great balance of power, portability, and innovative features:

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

Experience multi-device fast charging with the Anker Prime 27 26,650mAh Power Bank (250W), powered by the latest PD 3.1 technology. This power bank features 2 USB-C ports and 1 USB-A port, delivering up to 250W of power. You can quickly boost your MacBook Pro 16" to 50% in just 28 minutes. It's designed for convenience with a smart app that helps locate your power bank with sound alerts, access real-time stats, and optimize battery life with smart charging.

Despite its high capacity of 27,650mAh—enough to charge an iPhone 14 approximately 4.67 times—its compact size is no larger than a soda can and is TSA-approved to be taken on airplanes as carry-on baggage. Additionally, it offers a 170W fast recharge capability and utilizes ActiveShield 2.0 technology for temperature control, ensuring optimal device safety during charging.

Anker 737 Power Bank

The Anker 737 Power Bank excels in portability and power, making it a perfect choice for professionals on the move. It features 140W Power Delivery 3.1 technology for swift power transfer, suitable for high-demand devices like laptops.

With a 24,000mAh capacity, it provides up to five full charges for an iPhone 13 or 1.3 charges for an iPad Pro. This power bank is designed for long-lasting reliability and includes an intelligent digital display that offers real-time charging data, helping you manage power effectively while on the go.

Anker Nano Power Bank (30W, Built-In USB-C Cable)

The Anker Nano Power Bank (30W, Built-in USB-C Cable) offers a compact and efficient charging solution with a built-in USB-C cable for hassle-free power on the go. It supports 30W bi-directional charging, which can boost the power bank to 50% in just 45 minutes or achieve a 50% charge for your iPhone 14 in about 30 minutes.

With a 10,000mAh capacity, this power bank is designed for worry-free portability in a compact form factor measuring 4.09 × 2.06 × 1.02 inches. Additionally, it promotes environmental sustainability through its exterior casing made from 80% post-consumer recycled plastic, significantly reducing carbon emissions.


As we've seen, small power banks are essential tools for anyone who relies on electronic devices throughout their day. By considering factors like size, capacity, and output options, you can choose a power bank that fits your needs perfectly. We hope our recommendations have helped you find the best small power bank that not only fits your budget but also matches your lifestyle. With the right power bank at hand, you can rest assured that your devices are always powered up and ready to go, no matter where life takes you.


Does a smaller power bank mean smaller capacity?

Not necessarily. While smaller power banks often have lower capacities to maintain a compact size, advances in battery technology have allowed for higher capacities in smaller forms. However, there is generally a trade-off between size and capacity.

How do I determine the right capacity for my needs?

Determine the right capacity by considering the battery size of your devices and how often you need to recharge them. For example, if you need to fully charge a smartphone with a 3,000mAh battery twice, a power bank with at least 6,000mAh capacity is recommended. Assess your usage patterns and device requirements to choose appropriately.

What are some common charging technologies found in small power banks?

Common charging technologies in small power banks include Power Delivery (PD) for fast charging, Qualcomm Quick Charge, and bi-directional charging, which allows the power bank itself to be charged quickly as well. Many also feature multiple USB-C and USB-A ports, enabling compatibility with a variety of devices.

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