How to Choose the Right Portable Power Bank

Your Guide to buying the best Portable power banks


A portable power bank is an essential device for anyone who needs to stay connected while on the go. It's a handheld device that can store power from an external source and allow you to charge your gadgets and devices wherever you are. In this buying guide, we'll provide tips and advice on the different types of portable power banks available, their features, and how to choose the best one for your needs. We'll also discuss the safety precautions to take when using a power bank, as well as the top brands and recommended models. Finally, we'll provide some helpful DIY tips for those who want to make their own power bank. So, if you're looking for reliable power on the go, this guide is for you.

Key features

  1. Capacity: The capacity of a portable power bank is a key factor to consider while buying. This is measured in mAh and determines how much charge can be stored in the power bank. Higher capacity power banks can charge devices multiple times before needing to be recharged themselves.
  2. Output Ports: Power banks typically come with multiple output ports, and it is important to consider the types of ports available. Look for types of ports that can be used to charge your devices, such as USB-C and USB-A, as well as the maximum wattage each can support.
  3. Input Ports: Power banks can be recharged via the same ports they use to charge devices. Input port types and wattage should be considered, to ensure the power bank can be recharged in an efficient time frame.
  4. Size and Weight: The size and weight of a portable power bank can make a big difference in its portability. Consider the size and weight of the power bank in relation to your needs, and if a slim profile or lightweight design is a priority.
  5. Durability: Durability is an important factor to consider when buying a portable power bank, as it will determine how long the power bank lasts. Look for indicators of quality, such as water and dust resistance, as well as other features that can improve the longevity of the power bank.

See the most popular Portable power banks on Amazon

Important considerations


  • Durability: Portable power banks are typically made from high-quality materials, such as aluminum or plastic, that are designed to be rugged and resistant to drops and falls.
  • Compact Design: Portable power banks are relatively small and lightweight, making them convenient and easy to transport.
  • High Capacity: Many power banks can hold enough power to charge a device multiple times before needing to be recharged.
  • Multiple Charging Outputs: Some power banks feature multiple charging outputs, allowing for simultaneous charging of multiple devices.
  • Safety Features: Most power banks come with safety features, such as overcharge protection, short circuit protection, and overheat protection, that help ensure that the device remains safe while in use.


  • Cost: Portable power banks can be expensive, depending on the capacity and features.
  • Size and Weight: Because of the battery, portable power banks can be large and heavy.
  • Durability: Portable power banks can be easily damaged due to wear and tear, as well as rough handling.
  • Battery Life: Portable power banks may require frequent recharging, especially if they are used often.
  • Overcharging: It is possible to overcharge a portable power bank which can damage the battery.
  • Heat Exposure: Portable power banks can overheat if left in hot temperatures, which can reduce the battery life.

Best alternatives

  1. Solar Panels - Solar panels are great alternatives to portable power banks for those who require long-term, renewable energy sources.
  2. Crank Generators - Crank generators are manually powered, battery-free power sources that are perfect for emergency situations.
  3. Wind Turbines - Wind turbines are an excellent alternative to portable power banks for those living in areas with consistent wind speeds.
  4. Bicycle Generators - Bicycle generators are bicycle-powered generators that are ideal for use in remote areas.
  5. Car Battery Jump Starters - Car battery jump starters are a great alternative to portable power banks for those who need to jump start their car in an emergency.

Related tools, supplies, and accessories

  • Cables - USB-A to USB-C, lightning, micro-USB cables for plugging power banks into phones, tablets, and other devices.
  • Power bank cases - Cases designed specifically to carry and protect portable power banks.
  • Battery capacity tester - Tools for measuring the remaining battery capacity of power banks.
  • Power meter - USB power meters used to measure the amount of current and voltage of power banks.
  • Solar panel - Solar panels used to recharge power banks in the outdoors.
  • Wall charger - Wall chargers used to quickly recharge power banks at home.
  • Car charger - Car chargers used to quickly recharge power banks while driving.

Common questions

  1. What are the advantages of using a Portable Power Bank? A portable power bank allows you to charge your device on the go without the need for a wall outlet or power cord. It is small and lightweight, making it easy to carry around. It also provides a backup source of power in case of an emergency.
  2. What should I consider when buying a Portable Power Bank? When buying a portable power bank, you should consider the size, capacity, charging speed, ports, as well as any special features. You should also check to make sure the power bank is compatible with your device.
  3. How do I choose the right capacity for my Portable Power Bank? The capacity of the power bank you need depends on the type and size of the device you’re trying to charge. Generally, a power bank with a capacity of at least 10,000 mAh should be enough to charge most devices several times.
  4. How do I know if my device is compatible with a Portable Power Bank? You should check the specifications of the power bank and your device to make sure they are compatible. It is also important to check the type of ports that the power bank has and make sure they are compatible with your device.
  5. How do I use a Portable Power Bank? To use a portable power bank, you simply need to plug the power bank into a power source to charge it. Once it is charged, you can plug your device into the power bank to charge it. Make sure that the power bank is turned on before connecting your device.


In December 2018, a man at an airport in Ireland was arrested after attempting to fly with a portable power bank in his luggage. Upon further inspection, it was revealed that the power bank contained over 100 Samsung Galaxy phones that had been stolen from a nearby store. The man was caught when the power bank set off alarms while the baggage was scanned. He was charged with theft and sentenced to 18 months in prison. Source:

Disclaimer: This buying guide was not created by humans, and it is possible that some of it's content is inaccurate or incomplete. We do not guarantee or take any liability for the accuracy of this buying guide. Additionally, the images on this page were generated by AI and may not accurately represent the product that is being discussed. We have tried to convey useful information, but it is our subjective opinion and should not be taken as complete or factual.