Filipino Teen Discovered How to Convert Electricity by Walking

Unfortunately, we can’t still escape the fact that we need to buy a smart, sun, or globe prepaid load just to stay connected. Some even avail or subscribe to a postpaid plan because their job or lifestyle requires it. Another mobile device aspect that needs constant attention is its battery. An answer to this is the phone charging stations usually found inside 24-hour convenience stores or just plug your own charger to an electric outlet. Phone charging stations charge five-peso (Php 5.00) per ten minutes.


The good news is, once this recent invention pushes through, you will never stand beside a charging station for an hour or two and pay Php 60.00 just to restore your phone’s battery. It will also cut your electric bills. Thanks to Angelo Casimiro, a fifteen year-old Filipino teen, as he discovered a way to charge a smartphone using his creation, the insole piezoelectric generator, inserted inside the sole of a shoe. Piezoelectric what?

angelo casimiro Shoes

According to the wonder kid, “My insole generator does not use coils, motors, magnets, or anything that involves moving parts,” Casimiro said. “I only have two pairs of piezoelectric discs the [discs] produce energy when both crystals bend inward.” What is piezoelectric, anyways? Based on the definition on, “Piezoelectricity (also called the piezoelectric effect) is the appearance of an electrical potential (a voltage, in other words) across the sides of a crystal when you subject it to mechanical stress (by squeezing it).”


Using the device, when a person steps on the discs, it will result to a piezoelectric effect, thus produces electricity and the phone’s device attached to the wearer is being charge at the same time. His prototype could fully charge a 400 mAh Li-ion battery after jogging for 8 straight hours. In a study, the average walk per day of a male is 7192 steps while a female could do 5210 steps.


His device has still a room for improvement, though, and if tweaked in a correct way it may not only charge smartphone batteries but other USB-connected gadgets as well. The rural areas will benefit more because there are still places not reached by electricity. All you need is a sole and a strong stamina to operate it.


According to GMA Network, on ScienceAlert’s Facebook page, the teen’s device has already reached 5,000 shares in just 9 hours. And, oh, another way to put your globe prepaid load to good use is to support the kid and spread the word that he will join the Google’s 2014 Science Fair. All we have to do is to click the thumbs up button on his YouTube video that features his awesome invention; this is the link Moreover, on the comment page, kindly advise him to, please, file a patent, for goodness sake.




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One thought on “Filipino Teen Discovered How to Convert Electricity by Walking

  1. Pingback: Filipino Teen Discovered How to Convert Electricity by Walking | Boracay

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