Alternate energy sources » renewable energy

LEDs and solar products

alte — Sat, 31 Dec 2011 17:00:56 +0000

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 used bulbs which were not very efficient in converting electrical energy to light .

Charging

alte — Mon, 31 Oct 2011 12:54:01 +0000

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 photos

alte — Wed, 31 Aug 2011 00:47:06 +0000

Solar lantern photo - top view

Solar lantern photos - front view

Solar lantern with solar panel.

Solar Emergency Light/lantern

alte — Fri, 05 Aug 2011 16:24:34 +0000

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 15 cm in height

Radio with torch and crankshaft

alte — Sat, 30 Jul 2011 09:22:14 +0000

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 power status on the radio. It is adequate for the lighting the torch for some time.

Ipod solar charger

alte — Wed, 13 Apr 2011 13:46:33 +0000

Solar ipod charger

Solar Ipod charger breakup

Solar Ipod charger after 1 day

Solar portable inverter

alte — Thu, 24 Mar 2011 09:05:11 +0000

Solar portable inverter

Charging LED wire

Metal piece

Plug for battery charger

Mechanical mobile phone charger

alte — Sat, 05 Feb 2011 12:42:19 +0000

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 Ideaforge Technologies. It has a handle which can be turned to generate sufficient electricity to charge the mobile phone. The charging current depends on the speed with which the handle is turned. The mechanical charger comes with 3 different adapters suitable for Nokia, Android and Sony Ericsson among the popular phone models.

Cost : Rs 350 (about $8.5)

Can be purchased online from the manufacturer and is shipped quickly

Water powered calculator

alte — Sat, 16 Oct 2010 12:58:11 +0000

Water powered calculator

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.