With increasing functionalities and high processing powers, smartphones battery backup is reduced over time and a need of portable power bank increased with the time. In this project we are going to ...

This article will show you a simple and inexpensive way to make your own portable power supply for microcontroller experiments and the like by hacking a mobile phone power bank. The proposed power ...

Makers and hobbyists looking for a more substantial portable battery pack that they can make themselves, should check out this excellent DIY power bank created by Instructables user “tobychui”. Using ...

USB power banks give your phone some extra juice on the go. You can find them in all shapes and sizes from various retailers, but why not build your own? [Kim] has a walkthrough on how to do just that ...