Power Banks

Power Banks at Maplin

What are Power Banks?

Power banks, also called portable chargers, are compact battery packs that keep your electronic devices charged while on the go. Capacity is measured in milliampere-hours (mAh): 5,000mAh gives a partial top-up, 10,000mAh delivers a full smartphone charge, and 20,000mAh+ suits multi-device use or extended trips. Modern power banks support fast charging via USB-C Power Delivery (PD), with some models also offering wireless charging via MagSafe or Qi. Ideal for travel, commuting, festivals, and camping.

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FAQ

What is a power bank?

A power bank is a portable device designed to recharge electronic gadgets like smartphones, tablets, and laptops when you're on the move, or when you don't have access to a regular power source. Power banks vary in size, capacity (measured in mAh), and the types of devices they can charge, offering flexibility for users with different power needs.

What features should I look for in a power bank?
  • Look for features like fast charging technology, multiple output ports, and built-in safety protections against overcharging and short circuits.


  • Consider the size, weight, and portability of the power bank for your daily use.
Can I carry a power bank on flights?
  • Most airlines allow power banks in carry-on luggage but may restrict their size and capacity.
  • Check the airline's guidelines before traveling to ensure compliance with safety regulations.
  • See our blog article for more information on taking power banks on flights.
What is mAh in power banks?

mAh stands for milliampere-hour, a unit used to measure the energy capacity of batteries and power banks. It indicates how much charge a the power bank can hold and how long it can power your devices.

Higher mAh ratings typically mean longer life and more charging cycles. When choosing a power banks, consider your device's power requirements and your usage habits.

How do I choose the right capacity for my power bank?

Consider your device's battery capacity and how frequently you'll need to recharge on the go. Opt for a power bank with a capacity slightly higher than your device's battery capacity for multiple recharges.

What is the difference between MagSafe and Qi wireless charging?

MagSafe is an enhanced version of Qi wireless charging with built-in magnets for precise alignment. This improves charging efficiency and allows faster speeds (up to 15W on compatible iPhones). While MagSafe uses Qi technology, standard Qi chargers don’t offer the same magnetic alignment and typically charge iPhones at lower speeds (up to 7.5W). If charging speed is a priority for you, this is worth bearing in mind.