Alternate energy sources

Solar products are widely used in lighting related applications due to the advances in LED technology. The LEDs available today have a low power consumption and high lux output, so the energy stored in the lamp or torch can be used to power the device for a long time. Earlier, most devices in the market [...]

Some of the solar appliances available in the market have a charging indicator to indicate whether adequate solar energy is generated by the solar panel. The amount of solar energy generated depends on the time of the day location where the solar panel is placed.

Solar lantern with solar panel.

Solar Emergency Light/lantern Kiran S10 Emergency Light Advertised specifications Two brightness level settings for different tasks High : Working,Studying & Cooking Low : Walking and Socializing Ultra-light, ultra-portable lamp Multiple-setting handle allows flexible usage Tough and sturdy design Protection from over-charging However, actual product is not an ultra-portable lamp, as the lamp is more than [...]

The radio with torch can be used even if there is no electricity and light by winding the mechanical crankshaft. This converts the mechanical energy into electrical energy. The power generated however, does not last for a long time,especially if the sound volume of the radio is more. There is an LED to indicate the [...]

If you are travelling or live in an area where the electricity supply is erratic and you use your mobile phone extensively, the mobile phone battery can get drained very quickly. In such cases, a mechanical phone charger is useful for charging the mobile phone as per your convenience. Roto is a mechanical charger from [...]

Water powered calculator – you add water to the cells at the top of the calculator using a dropper.  The water evaporates after some time, so you have to periodically top up. Can be purchased online.