Review of the 30,000 mAh power bank Swissten: Giant at a reasonable price

If you are looking for a power bank that will serve you, for example, on trips, trips, or other occasions, you may be interested in three main aspects: quality, size and design. Ideally, you would find a power bank that can charge your device several times, both the iPhone and the MacBook. At the same time, it should have quality bowels in the form of cells and printed circuit boards, which should prevent a possible short circuit or other charging problems. And last but not least, of course, you are also interested in the design, which should be modern, tasteful and, above all, also functional. Until recently, of course, you could get such powerbanks, but for non-Christian money. Now Swissten has joined the game, completely changing the rules of the power banks.

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Pavel Jelič 20. 11. 2019 0

Technical Specifications

Swissten now offers an extreme Black Core power bank, which will surprise you especially with its capacity – it counts an incredible 30,000 mAh. The Swissten Black Core power bank will then surprise you, among other things, with a number of different connectors, thanks to which this power bank will become the only power bank you will ever need. In addition to iPhones, you can easily charge, for example, the new iPad Pro with a USB-C connector, together with the latest MacBooks. I must not forget the display, which in addition to the current power bank charge also shows the current value of input or output.

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Connectivity and technology

Specifically, the Black Core power bank has input Lightning and microUSB connectors, the output connectors are then 2x classic USB-A. There must also be a USB-C connector, which is both input and output. Powerbank Black Core also has Power Delivery technology for fast charging of iPhones, together with Qualcomm QuickCharge 3.0 designed for fast charging of Android devices. Of course, you can use all these ports and the connectivity that is available at once.


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Even in this case, the Swissten Black Core power bank fits perfectly into the style of packaging in which Swissten packs practically all its products. Even in this case, we get a stylish black box, on the body of which you will find all the technical specifications related to the power bank. On the back of the box there are instructions for proper use together with all available connectors, which we covered in the paragraph above. After opening the box, all you have to do is slide out the plastic carrying case, in which the power bank itself is located together with the rechargeable 20 cm microUSB cable. Don't look for anything more in the package – there is no need for it anyway.


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If we take a look at the Swissten Black Core 30,000 mAh powerbank processing page, I can assure you that you will be pleasantly surprised. The body itself and the main structure is made of plastic, which stands out on the body with its white color. I would consider this white plastic a kind of "chassis" of the whole power bank. Of course, there is also plastic on the top and bottom of the power bank, but it has a pleasant texture and a light touch to the skin. It should be noted that this surface also repels water and is also non-slip. For each connector, you will then find an image on the body that tells you exactly what type of connector it is. The size of the power bank is similar in height and length to the iPhone 11 Pro Max, but of course the power bank is worse off in terms of width. Specifically, the power bank has 170 mm in height, 83 mm in length and 23 mm in width. The weight is then due to the huge capacity of almost half a kilo.

Personal experience

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As soon as I first picked up the power bank, I knew it would be a real "piece of iron". I have tried several powerbanks from Swissten in the past and I must say that I like the Black Core series the most. This is partly due to its design, but also due to the fact that together with the iPhone you can easily charge your MacBook without any problems. And other equipment. You may think that charging all devices at the same time can overload the power bank, as well as become very hot. The maximum power of the power bank is 18W, which must be taken into account. However, even with the maximum load of the power bank, I did not encounter significant warming up. The fact that the power bank is slightly warm to the touch is, in my opinion, perfectly normal, and in this case it was a really insignificant increase compared to the ambient temperature.

The great news is also the fact that you can also use the Swissten Black Core power bank as a kind of "signpost". More than once, this power bank was very useful in my car, when I started charging it from an adapter connected to the car socket, and then I started charging both my MacBook and iPhone with it. Even in this case, the power bank did not have the slightest problem, although of course there was a discharge, given that the adapter in the car was not able to supply enough juice to prevent the power bank from discharging. The only thing I lack about this perfect bank to its absolute perfection is the possibility of using wireless charging. If wireless charging were available, I probably wouldn't have a single complaint.

swissten black core 30000 mah Source: redakce Letem světem Apple


If you are looking for the perfect power bank that will captivate you with its modern design, the great quality of the "guts" and, above all, the huge capacity, then you can stop searching. You have just found the perfect candidate who meets all these conditions. The maximum capacity of the Swissten Core power bank is up to 30,000 mAh, thanks to which you can charge your iPhone several times (in the case of 11 Pro up to 10x). The battery also has respectable dimensions for its capacity and there is also a huge number of connectors – from microUSB, through Lightning, to USB-C and USB-A. After several weeks of testing, I can recommend this powerbank for travel, in the car and practically anywhere else where you need a large source of electricity. You will also be surprised by the price tag, which was downloaded to a minimum, ie only 1,050 crowns.

You can buy the Swissten Black Core 30,000 mAh power bank here

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