Best Mini Power Bank: More battery life on the go

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A mini power bank fits in almost every trouser and jacket pocket. With the tiny battery, you can charge your smartphone when needed without having to rely on a power outlet.

By Sven Wernicke

A conventional power bank with a capacity of 20,000 mAh can weigh 500 grams and more – impractical when you’re on the go and don’t want to carry anything heavy with you. This is where the mini power banks come into play: They are very small and light, but always provide power for the smartphone.

H-basics mini power bank: even fits on the bunch of keys


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A power bank for the keychain: the mini power bank from H-basics.

Image: © SATURN 2022

Sure: The H-basics mini power bank is not spectacular, but it offers a decisive advantage: it is so compact that you can hang it on your key ring. With a capacity of 2,000 mAh, you can fully charge an iPhone SE, and a Samsung Galaxy S22 is almost half full. This is sufficient for emergencies.

The power bank is available in various colors.

Per against
+ 20 x 90 x 20 millimeters (width x height x depth) – Low capacity
+ To attach to the keychain – Maximum 1 ampere output voltage


H-basics mini power bank
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Veho Pebble Ministick: Small lightweight

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The Pebble Ministick really fits in every pocket.

Image: © SATURN 2022

Of the Pebble Ministick doesn’t look like an ordinary power bank, which makes it a discreet gadget for on the go. With its 62 grams, it is hardly noticeable in the bag.

The Ministick is not a powerful power bank for charging tablets or even laptops, the capacity of 1,800 mAh is far too small for that. But if you need electricity spontaneously, you can make good use of the small power bank. Also because it can be found anywhere.

Per against
+ 23 x 103 x 23 millimeters in size – Low capacity
+ Attractive, unusual design – Maximum 1 ampere output voltage


Veho Pebble mini stick
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Realpower PB-5000mini: Lots of power in a small space

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The PB-5000mini fully charges your smartphone again.

Image: © SATURN 2022

the PB-5000mini weighs a little over 100 grams, but offers a capacity of 5,000 mAh. That’s enough for more than one full charge of a current smartphone. Thanks to the output power of up to 2.1 amps and 5 volts, your phone’s battery will fill up quickly.

Despite the compact dimensions, you get a charge indicator and overload and overcharge protection.

Per against
+ 45 x 97 x 22 millimeters in size – Power adapter for charging not included
+ Sufficient capacity for everyday use with a smartphone
+ Support for fast charging functions with up to 2.1 amps


Realpower PB-5000mini
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Hama Slim 5HD Powerbank: Slim and light

the The Slim 5HD from Hama is not a typical mini power bank, but it is as flat as a flounder and significantly lighter than conventional external batteries. This is due to the special lithium-polymer cells inside, which make the power bank up to 20 percent lighter and thinner overall than models with a lithium-ion battery. Especially very compact power banks have lithium polymer batteries.

The capacity of 5,000 mAh is comparatively high, and the LED capacity display is practical in everyday life. The Slim 5HD also looks chic in colors like mint green and light pink.

Per against
+ 92 x 12 x 92 millimeters in size – Maximum 1 ampere output voltage


Hama Slim 5HD
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Anker Powercore Slim: mini power bank with USB-C

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Highlight of the Anker power bank: a capacity of 10,000 mAh.

Image: © SATURN 2022

Small power banks with great performance and USB-C connection are few and far between. An exception is this Anker Powercore Slim with its 10,000 mAh battery and still compact dimensions.

Also nice: The Powercore Slim also has two USB-A ports, so you can charge three devices at the same time. There are also quick charge functions.

Per against
+ 3 USB ports (1 x USB-C, 2 x USB-A) – 71.6 x 15.6 x 152.6 millimeters in size
+ High capacity – 220 grams heavy
+ Support for fast charging functions with over 2 amps


Anker Powercore Slim
Buy now at

What you should consider when buying a mini power bank

With mini power banks you have to make compromises, the small dimensions inevitably lead to relatively low battery capacities. You should also pay attention to the following when making your selection:

  • connections: Most mini power banks still have the classic USB-A connection. If you need Lightning, USB-C or even Micro-USB, suitable adapter cables are available separately.
  • charger: Mini power banks are inexpensive. Also because the manufacturers do not use power packs to charge the external batteries. You can use normal USB power supplies or that of your smartphone.
  • capacity: Mini power banks typically have capacities between 2,000 and 5,000 mAh. This is usually enough to extend the battery life of your smartphone and, depending on the model, even double it.
  • comfort functions: Mini power banks often do not offer fast charging functions such as USB Power Delivery or Quick Charge 3.0. You have to accept that. On the other hand, overcharging and overheating protection are standard for the external batteries. You should not expect much more comfort.
  • weight: Power banks with a weight of around 100 grams are pleasantly light and fit in almost any jacket or trouser pocket. Lithium polymer power banks are lighter than lithium ion battery models.
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Reference-www.turn-on.de