»The combination of a powerful 27,000 mAh battery with an ingenious, four-part foldable solar panel enables rapid recharging in sunlight. Sandberg's mobile power unit features USB-C and USB 3A outputs, can light up, and is made of water- and shock-resistant material—even suitable for urban installations, as a test in Vienna's Stadtpark shows.«

»Small but mighty: The Sandberg Solar 5-Panel Powerbank 27000 (421-06) has a surface area roughly the size of a modern smartphone. When opened, the solar panel increases fivefold. With the additional high battery capacity, you'll never run out of power on the go.«

»Everything about the power bank seems unusually robust. At the end is a strong flashlight that can be activated with the push of a button. An easy-to-read display shows how much power is left.«

»The conclusion for the Solar 5-Panel Powerbank 27000 is good. The housing is solid, the standard 5-year guarantee speaks for itself, and the 900 g weight does not hinder you when hiking. The power bank is also suitable for festivals or camping. In my opinion, every household should have a power bank like this. Anyone who decides to buy a power bank can go for the Solar 5-Panel Powerbank 2700 without hesitation.«

Tech-Test.dk:

»The Solar 5-Panel Powerbank 27000 has some cool features. As the name suggests, it is 27,000 mAh, which means that it has the largest capacity and is still allowed on the plane.«