Design of a portable smart connected solar-powered charger for consumer electronics

With an increase in public awareness about climate change and substantial advancement in the utilization of renewable energies, there is a growing demand for the development of compact and portable solar-powered devices at the consumer electronics level. This paper details the electronic circuitry design and prototyping of a solar-powered charger with an IoT platform. The work also addresses challenges in battery charging and discharging, current measurement, and battery chemistry selection.