Lenovo's self-charging keyboard has solar cells and a supercapacitor to keep it working all-day long

[Redaktion]

Lenovo has also announced a handful of accessories, including a self-charging Bluetooth keyboard. The keyboard has solar cells that can draw power from ambient light to charge supercapacitor inside, eliminating the need for batteries or to plug it in to charge.

https://www.notebookcheck.net/Lenovo-s-self-charging-keyboard-has-solar-cells-and-a-supercapacitor-to-keep-it-working-all-day-long.943305.0.html