Here’s how to make your own smartphone power bank at home
Power banks have become a must-have nowadays for many mobile and iPad users. It is precisely because of these little power providing boxes that we are able to sustain our phone and iPad batteries for longer stretches of time. Despite its efficiency, situations might arise wherein you forget to charge your power bank, or an acquaintance or relative has already used up its power in charging their phone, and it will surely put you in a pinch.
Situations like these can easily be handled by keeping a spare power bank. But the problem here lies in the fact that not everyone has enough cash to afford a secondary back-up power bank, why not try making your own power bank. It’s cost-saving, as efficient as the one’s made by companies and simple not to mention pretty fun too.
All that is required is for you to follow these steps:
1 Take one 9V battery and also a spare
Take a small 9 V battery along with a spare battery. This will be your power source.