Eco friendly: Walk and charge your cell
Mayuresh Konnur   |   5/31/2009 4:21:57 PM

It is great when you are doing good things for the environment without it being too much of an effort. For instance, imagine saving power just by walking.

Pune's young scientists have developed how to convert this simple aerobic exercise into charging your phone. Now, if your phone's battery is down and you want to talk, then just start walking.

Walk-n-charge is the mobile charger that charges your phone while you are mobile. A 20-minute walk can help charge a cell phone battery for one hour.

The innovation has been developed by a group of students from Pune's College of Engineering and has won them the first prize at the recently-concluded TechFest at IIT Powai.

The device works on simple physics and converts human motion into electrical energy. A retractable string from device connects both legs. A dynamo captures rhythmic movements of the legs and turns it into rotatory motion. The circuit is attached with rechargeable battery.

"We have filed for the patent of this product. Some mobile companies have also contacted us," said Tejas Narsimhan, a student of College of Engineering, Pune.

Weighing just 20 grams, with the help of the device, now you can easily walk the talk.


Waste Management
Campaign Ambassador
"We have to remember that we can't keep abusing the environment and every one of us can and should do our bit"
Share Your Green Idea
Your city could get the biggest tree on our Green Map. Write in with your ideas here.
You can also send us your ideas at
Green stat of the day
One Pet bottle can be recycled into bristles for 20 tooth brushes.