A solar cell or photovoltaic cell is a device that converts light energy into electrical energy. Solar cells have many applications. They have long been used in situations where electrical power from the grid is unavailable.
Solar, Windup, Dynamo, and Faraday Powered LED Torches and Gadgets
Windup / dynamo powered torch with retractable handle and mobile phone charger. Built-in batteries and three super-bright LEDs.
Five super bright LEDs Brightness adjuster (turn on one or three LEDs) Dynamo charges batteries Pull out the handle and turn to charge (two rotations per second) One minute charge yields 60m of light (1-LED lit) or 30m of light (3-LEDs lit) Boxed with instructions Lightweight and ergonomic Charges mobile phones (cable included) Rubberised grip In-built rechargeable batteries Dimensions: 140mm x 55mm x 55mm Due to the brightness of the LEDs this torch is not suitable for young children.
TREBOONA.com
Five super bright LEDs
