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Category · 18 products compared

Power banks

A power bank never delivers the full capacity printed on its box, as some is lost during transfer. It is also worth checking that its fast charging speaks the same protocol as the phone or laptop you want to charge. For daily use, a light model you actually carry beats a bulky reserve left at home. Airline rules also restrict the largest models.

Rated on these criteria

  • Price
  • Battery capacity
  • Number of simultaneous devices
  • Battery weight
  • Number of USB Type-C ports
The buying guide

Choose by use

The right product depends on the situation. Each page below takes the category’s criteria and changes their weight for one specific need.

For daily commutes and on-the-go use Choose a lightweight power bank for daily travel. Compactness and price matter more than capacity for slipping into your pocket. Read For weekends and outings away from sockets Select a high-capacity power bank for extended autonomy. Charge multiple devices on excursions without network access. Read For emergencies and power outages Backup power bank for failures and emergencies. High autonomy without multiplying connections to keep one device operational. Read

What we rate in this category

Every product in the category is rated from 0 to 100 on these criteria : the same for all of them, whichever merchant sells it.

Read the full method
Price
The longer the bar, the more competitive the price compared to other power banks on the market.
Battery capacity
The longer the bar, the higher the battery capacity and the more times you can recharge your devices.
Number of simultaneous devices
The longer the bar, the more devices you can charge at the same time.
Battery weight
The longer the bar, the lighter the power bank and the easier it is to carry every day.
Number of USB Type-C ports
The longer the bar, the more USB Type-C ports the power bank has for modern and versatile charging.

Price brackets by tier

Orders of magnitude, not displayed prices: a price only appears on Kalyneo once it has been collected from a merchant, with its collection date.

Under €20

Limited capacity, slow charging, basic plastic casing: rescues a smartphone once but weighs heavily for what it delivers.

€20 to €50

Enough capacity for several charges, fast charging by protocol, compact format and decent finish for regular use.

Over €50

High capacity, multiple simultaneous ports, very fast charging, battery display and airline certification for long trips.

The buying guide for this category Power bank buying guide: comparison and advice A power bank is chosen primarily by its storage capacity, which determines how many times you can recharge your devices. The number of devices you can charge simultaneously and the weight directly affect everyday practicality. Read the guide

18 products compared