About Us

Prüfengel offers authentic consumer tests in which real users share their experiences with products. Our tests are based on practical applications in everyday life and reflect the opinions of consumers. As we focus on consumer tests, we do not carry out any material, long-term or laboratory tests. The tests are carried out by 1-2 independent consumers over a period of 7-14 days. The exact test conditions can be viewed in the test plan of the respective test report – click here to go directly to the test plan.

Manufacturers provide the tested products free of charge. We charge a one-off test fee for carrying out the tests. In addition, manufacturers pay an annual licence fee for the use of the Prüfengel seal. We also receive a commission for linking to manufacturers’ websites. These remunerations have no influence on our test results or ratings.

We guarantee transparency and a fair evaluation. For a detailed insight into our comprehensive evaluation process, please click here.

VINKO
Power bank with cable

Manufacturer’s product description

This power bank with cable from VINKO is aimed at users who are looking for a reliable and space-saving power source for their smartphone or tablet when on the go. With a capacity of 10,000 mAh and permanently attached USB-C and Lightning cables, it enables flexible charging without additional accessories. A small LED display shows the battery level and, if required, the fast charging status.

In testing, the power bank impressed with its sturdy workmanship and well-thought-out design. The cables are securely attached and appear durable; one of them also serves as a practical carrying strap. The display is compact but easy to read and provides all the important information. In practice, smartphones could be fully charged two to three times , depending on the model; the fast charging function always worked reliably.

The only areas for improvement are the somewhat short cables and the use of plastic in the packaging—longer cables and more environmentally friendly materials would be desirable here.

Overall, the power bank presents itself as a robust and handy companion with useful features and solid performance – ideal for travel, everyday work, or a quick energy boost in between.

  • Integrated cables
  • Compact design
  • High compatibility
  • Fast charging function
  • LED charging indicator
  • Relatively short cables

First impression

Packaging and contents

Here, we take a closer look at the packaging. Sustainability is becoming an increasingly important factor. In addition, sufficient protection of the product must of course be ensured. Is the contents of the packaging complete and does the manufacturer make it as easy as possible for me to use the product straight away?

Here we take a closer look at the packaging. Sustainability is becoming an increasingly important factor. In addition, sufficient protection of the product must of course be ensured. Is the packaging complete and does the manufacturer make it as easy as possible for me to use the product straight away?

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Product protection

Cardboard is sturdy, product adequately protected

100

Points

Sustainability of packaging

No unnecessary packaging waste, plastic film protects product components

80

Points

Package contents & scope

Complete

100

Points

Instructions

Product is self-explanatory, easy-to-understand instructions

100

Points

TOTAL

95

Points

Weighting: 20%
*The maximum number of points is 100

The power bank’s packaging made a neat and well-thought-out impression in the test. The shipping box made of sturdy cardboard reliably protects the product from shocks and damage. The power bank was securely fixed inside and arrived without any visible transport damage. The scope of delivery was complete and included a short, easy-to-understand instruction manual in addition to the power bank itself. One minor criticism concerns the use of plastic film. Although this provides additional protection for the product against moisture and damp, a more environmentally friendly alternative, such as paper or cardboard protection, would be desirable. Overall, the packaging conveys a high-quality and clean overall impression.

First time in hand

Product workmanship and appearance

Before we move on to the practical test, we take a close look at the workmanship of the products. How high-quality are the materials used? Are the feel and appearance satisfactory?

Before putting the product to the practical test, we take a close look at its workmanship. How high-quality are the materials used? Are the feel and appearance satisfactory?

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Visual appearance

Appealing design

100

Points

Workmanship

Very good workmanship

100

Points

Stability

Very stable

100

Points

Product sustainability

No information provided, 24-month premium warranty

80

Points

OVERALL

95

Points

Weighting: 20%
*The maximum score is 100 points

The power bank makes a very good impression at first glance. It has a modern and unobtrusive appearance with a matte surface and clean lines that give it a high-quality look . Its compact design makes it easy to hold and store in bags or backpacks without taking up much space. The workmanship appears clean and precise: the housing is sturdy, the integrated cables are firmly connected to the device and neatly enclosed. The small LED display is well integrated into the housing and provides clear information on the charge status. There are no visible defects or loose parts, and all components appear robust and durable. The materials give a high-quality overall impression, suggesting careful manufacturing . The manufacturer does not provide any specific information on sustainability. The impression of sustainability is supported by the 24-month premium warranty.

This is what our practical test revealed

Does the manufacturer deliver on its advertising promises?

Our practical test is the most relevant and therefore carries the highest weighting. Here, the product must undergo a wide range of criteria and tests. We check the functions and product promises of the test item.

Our practical test is the most relevant and therefore carries the most weight. Here, the product must undergo a wide range of criteria and tests. We check the functions and product promises of the test item.

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Charging performance

Stable and fast charging, fast charging possible

100

Points

Compatibility with various device types

Very broad compatibility

100

Points

Cable winding and length

Great winding, fixed cables could be a little longer

90

Points

Weight and portability

Lightweight, very compact

100

Points

Charging indicator and status LEDs

Very reliable

100

Points

OVERALL

98

Points

Weighting: 45%
*The maximum score is 100 points

In practical testing, the power bank proved to be a powerful and sophisticated device that performed all key functions reliably and efficiently. Its charging performance was impressive with both Android and Apple devices. Smartphones with fast charging capabilities were quickly charged via the integrated USB-C cable , while the Lightning cable ensured stable power transfer . The fast charging function worked reliably and quickly restored modern devices to working order. Recharging the power bank itself was also problem-free and took place within the specified time. Its broad compatibility was also a positive feature: both smartphones and tablets could be connected without difficulty. The additional USB-C port expands the range of possible uses and allows external cables to be connected, which is practical when a longer connection is required. The integrated cables are firmly connected to the power bank and can be neatly stowed away. Nothing hangs loose and the cable management is cleanly solved. Only the cable length could be a little more generous, but it is sufficient for everyday use. If necessary, a longer cable can also be connected without any problems. Thanks to its low weight and compact design, the power bank is particularly portable. It fits comfortably in your hand, fits in jacket or trouser pockets, and can be conveniently carried using the carrying strap or attached to a backpack – ideal for travel or everyday use. In the test, the LED display reliably showed the charge level and fast charging status, responded accurately, and was easy to read.

Overall, the power bank proved to be a powerful, reliable, and practical device in practical testing. It impressed with its solid charging performance, high compatibility, and user-friendly handling. Only the somewhat short cables offer minor room for improvement, without detracting from the positive overall impression.

Test plan

A detailed insight into the evaluation criteria for the practical part of the test and the distribution of points can be found here. If you are also interested in the evaluation of our other test criteria, please read our document on the evaluation process.

Price/performance ratio

and consumer reviews

Finally, we examine how the product compares to the competition. Can it compete with the competition in terms of price and quality? Would we generally recommend it for purchase?

Finally, we examine how the product compares to the competition. Can it compete with the competition in terms of price and quality? Would we generally recommend it for purchase?

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Price/performance ratio

Very good performance in the mid-price segment

80

Points

TOTAL

80

Points

Weighting: 15%
*The maximum score is 100 points

Comparable power banks are available online for prices ranging up to €29.99. Particularly affordable models are available starting at €11.99. The tested power bank with cable from VINKO is in the mid-price range at €19.99. The price/performance ratio is rated as very good overall. This rating takes into account both the solid quality and performance as well as the mid-range price, resulting in a very good overall ratio.

Overall result

1. Packaging & contents

20

95

Points

2. Product processing & appearance

20

95

Points

3. Practical test

45

98

Points

4. Price/performance ratio

15

80

Points

TOTAL

94

Points

*The maximum score is 100 points

Power bank with cable
 of the brand 
VINKO
achieved
94
Points in our test and therefore passed. The test was carried out in the test period
11/25
and is stored in our database under the licence number
251015001
. Further information on our test procedure can be found at www.pruefengel.de/testverfahren.

The practical tests are based on careful observations and do not include long-term or laboratory tests. The test judgements reflect the personal impressions and opinions of the testers who try out the products in everyday use. We would like to emphasise that these evaluations do not claim to be exhaustive and may reflect both subjective and objective impressions. The evaluations are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a serious and thorough testing procedure, which has been developed in a long and professional process in close co-operation with our testers.

The practical tests are based on careful observations and do not include long-term or laboratory tests. The test judgements reflect the personal impressions and opinions of the testers who try out the products in everyday use. We would like to emphasise that these evaluations do not claim to be exhaustive and may reflect both subjective and objective impressions. The evaluations are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a serious and thorough testing procedure, which has been developed in a long and professional process in close co-operation with our testers.

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Evaluation process

You can find a detailed insight into our evaluation process, which forms the basis for our product ratings, here:

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Our product evaluations are carried out exclusively through direct, on-site tests. This ensures a detailed and specific examination of the product properties. You can find more information about the test procedure here.

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