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 material, long-term or laboratory tests. Our aim is to provide honest feedback to help you make a purchasing decision. For a detailed insight into our comprehensive evaluation process, which forms the basis of all our product reviews, please click here.

Sepo-Leitungen
Solar extension cable

The two premium solar cable extensions from Sepo-Leitungen, each 6mm2 and 1 m long in black and red, are ideal for laying and connecting inverters and solar panels in damp and dry environments as well as outdoors. These cables are made of high-quality materials such as copper conductors, halogen-free insulation and tin coating, which ensures their durability and reliability.
Thanks to their resistance to various environmental influences such as UV radiation, ozone, acids and alkalis, these cables are designed for a long service life . They are certified IP68 waterproof and dustproof. The safety and quality of these products has been tested and certified by TÜV Süd.
The rigidity of the cable results in less flexibility. The connections are difficult to loosen, which gives a stable feeling.

  • Versatile application options
  • High-quality materials
  • Resistant to various environmental influences
  • TÜV Süd certified
  • Stiff cable, ideal for laying on straight sections

The first impression

Packaging and contents

Here we take a closer look at packaging. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course also be guaranteed. Are 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 packaging. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course also be guaranteed. Are the contents of 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

Carton is sturdy, product sufficiently protected

100 %

Points

Sustainability Packaging

Unnecessary packaging waste was avoided and plastic was completely dispensed with.

100 %

Points

Package contents & scope

2x Premium solar extension cable 1m in black and red

100 %

Points

Instructions for use

Detailed step-by-step instructions for use in German

100 %

Points

TOTAL

100

Points

Weighting: 20%
*Themaximum score is 100 points

The two premium solar connection cables were delivered for our product test in an Amazon box covered with company logo tape. The box was in perfect condition and was easy to open with a sharp object. The size of the box was appropriate and well proportioned.
Inside the packaging was the small product box, which had a company label including the logo and product name. Upon opening the product box, we found the two premium solar extension cables in red and black as well as detailed step-by-step instructions in German, which were written very clearly.
The cables and connections were in perfect condition and made a high-quality impression.

The first time in your hand

Product processing and appearance

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

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

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Visual appearance

Sturdy and high-quality design. The technical markings are easy to read.

100 %

Points

Processing

High-quality workmanship of the solar cables and connections.

100 %

Points

Stability

Robust and resistant thanks to the insulation. The connections are stable and very strong.

100 %

Points

Sustainability of the product

No information on sustainability, but use of high-quality materials and therefore durable.

100 %

Points

TOTAL

100

Points

Weighting: 20%
*Themaximum score is 100 points

The product is characterized by a stable and high-quality design. The technical markings are easy to read and the solar extension cables have no scratches or dents. The workmanship is impressive with high-quality solar cables and connections that are carefully screwed together. The technical markings are impeccable and clearly legible.
The stability of the product is ensured by robust double insulation . Both the connections and the entire product are extremely stable. No specific information is available on the sustainability of the product, but high-quality materials are used, which indicates a long service life for the product.

This is what our practical test showed

Does the manufacturer keep its advertising promises?

Our practical test has the highest relevance and therefore weighting. Here, the product has to undergo a wide range of criteria and tests. We check the functions and product promises of the test article.

Our practical test has the highest relevance and therefore weighting. Here, the product has to undergo a wide range of criteria and tests. We check the functions and product promises of the test article.

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Flexibility and flexural strength

Excellent for laying on straight stretches, not enough flexibility for corners

90 %

Points

Insulation

Double-sided and halogen-free insulation with tin.

100 %

Points

Plug

Leader brand plug. A compatible plug with MC4 or a coupling compatible with MC4 is fitted to each cable. The connections hold very firmly and are waterproof to IP68.

90 %

Points

Resilience

UV, ozone, acid and alkali resistant, temperature range -40 °C to +90 °C.

100 %

Points

Certifications and standards

Double TÜV certification

according to EN 50618 (H1Z2Z2-K) and IEC 62930 (62930 IEC 131).

100 %

Points

TOTAL

96

Points

Weighting: 45%
*Themaximum score is 100 points

The practical test of the premium solar extension cable from Sepo-Leitungen shows that this cable offers high quality and reliability. Although the flexibility and bending strength of the cable are somewhat limited due to its low flexibility, which can make laying at angles somewhat difficult, it still impresses with its robust insulation. This insulation is double-sided and halogen-free, tin-plated and therefore offers reliable protection. The cable’s connectors are from the renowned Leader brand and are equipped with either a compatible MC4 plug or an MC4-compatible coupling. These connections are extremely strong and IP68 waterproof, ensuring safe use.
The solar extension cable is extremely resistant to various environmental influences such as UV radiation, ozone, acids and alkalis. It can be used in a wide temperature range from -40 °C to +90 °C without any loss of performance. The cable also has two TÜV certifications in accordance with EN 50618 (H1Z2Z2-K) and IEC 62930 (62930 IEC 131), which confirms its high quality and compliance with norms and standards. These certifications underline the reliability and safety of the solar extension cable for use in solar power systems. Overall, the practical test shows that the premium solar extension cable from Sepo-Leitungen is an excellent choice for use in solar power systems.

Price/performance ratio

and ratings from consumers

Finally, we examine how the product compares to the competition. Can it keep up with the competition in terms of price and quality? Would we generally recommend buying it? We also look at the consumer reviews and check whether the critical and positive reviews are actually justified.

Finally, we examine how the product compares to the competition. Can it keep up with the competition in terms of price and quality? Would we generally recommend buying it? We also look at the consumer reviews and check whether the critical and positive reviews are actually justified.

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Price / performance ratio

Very good performance in the lower price segment

90 %

Points

Rating cut

4.7 out of 5.0 on Amazon

85 %

Points

TOTAL

88

Points

Weighting: 15%
*Themaximum score is 100 points

On the Amazon platform, consumers rate the product with an average of 4.7 stars. In some cases, the fact that it is not particularly flexible is criticized. On the other hand, the qualitative and functional design as well as the high robustness are positively emphasized. In our practical test, we were able to confirm that the functional design of the premium solar extension cable is well received by customers. We find the criticism from consumers about the low flexibility to be justified.

Prices of up to €11.99 are charged on the Internet for equivalent products. Very inexpensive products are available from as little as €7.99 . The premium solar extension cable from Sepo-Leitungen is therefore currently in the lower price segment with a price of €8.99. For the quality and performance received, the price-performance ratio is very good.

Overall result

1. packaging & contents

20%

100 %

Points

2. product processing & appearance

20%

100 %

Points

3. in the practical test

45%

96 %

Points

4. price/performance & consumer ratings

15%

88 %

Points

TOTAL

96

Points

*Themaximum score is 100 points

Solar extension cable
of the brand
Sepo-Leitungen
achieved
96
Points in our test and therefore passed. The test was carried out in the test period
04/24
and is stored in our database under the licence number
240314002
. 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 observation and do not include long-term or laboratory tests. The test ratings reflect the opinion of our experts and are based on careful analysis. We would like to emphasize that these evaluations do not claim to be exhaustive and reflect both subjective and objective impressions. The assessments 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 reputable and thorough testing process, which has been developed in a long and professional process in close cooperation with our experts.

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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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