With the arrival of power banks, we don't really face the problems of a low battery in phones or iPads as much as in the olden days. Nevertheless, there still exist scenarios where you either forget to charge your power bank or maybe your friends already used up all the battery in the power bank and now you can't charge your phone.
Of course, a solution is to carry a spare power bank. But hey, it's not like cash is out there hanging on the trees beside leaves. Right? So, here's a DIY to make a power bank on your own. You can always show it off and honestly, it's fun to make!