With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
Tell us about yourself!
No, I have used the dead battery only .. It was not charged earlier .. For dead battery to be charged you have to walk more than a hour..
It's already mentioned in step 9..
I'm sorry but your assumption is wrong.. I have used the dead battery only..
Ya you are right it's my mistake...
WALKING Charger.....!!!!!View Instructable »
I am sorry bro but your knowledge is in complete......I knew mobile gives 4.2 volt but in rare care it usually gives only 3.7v which makes my circuit safe...
yes this is use and threw power bank.....but in my next project it is clearly mentionhow to charge it...
I m still working in a model which get charged so that we can re use it many tyms.
from where I can buy piezoelectric disc at 20rs per piece...
how many disc are needed for this shoe, 4 disc are enough?
can I make shoe charger by using 4 piezo disc only..
REUSE YOUR OLD MOBILE BATTERY TO MAKE KEY SIZE POWER BANK
Let your inbox help you discover our best projects, classes, and contests. Instructables will help you learn how to make anything!
© 2016 Autodesk, Inc.