The ModuleOne mobile power station ensures a reliable power supply with 2 USB C outputs as well as an AC output. With the bidirectional charger, it is also possible to store electricity at low-cost times and use it during more expensive tariff times for charging mobile devices or for power delivery. The device's digital meter and a corresponding app ensure an overview of consumption and cost savings. The ModuleOne is an efficient tool for location-independent power supply and also serves as an innovative energy buffer, was the jury's verdict. The round design and the large handle complete an aesthetic appearance.