Revolt Kurbel‑Solar Powerbank PB‑830 and Leading Powerbank Test Results

The Revolt PB‑830 powerbank offers a 20,000 mAh battery that can be recharged via an integrated solar panel, a hand‑crank, or a USB‑C Power Delivery input up to 20 W. It supports Quick Charge 3.0, Qi wireless charging up to 15 W, includes a LED flashlight with SOS mode and a compass, and is sold for €39.99 in Switzerland.

A recent IMTEST review evaluated six high‑capacity powerbanks. The Intenso HE25000 emerged as the performance leader with a 90 Wh (60.8 Wh usable) capacity, 140 W total output, and support for Power Delivery 3.1, Quick Charge 2‑4, Huawei Fast Charge and other standards; it is priced at €65.99. The price‑performance winner was the Ugreen Nexode 20 000 mAh model, delivering 63.6 Wh usable capacity, 45 W output, and an integrated USB‑C charging cable, priced at €39.99.