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 ...

which ensures that the lithium ion batteries (18650 cells) remain at a safe and operable state. It has two USB A ports for charging two devices at a rate of 5V & 2.4A on the quick charge port and 5V ...

Discover how to create a wearable kinetic energy power bank in this hands-on DIY electronics project. Follow step-by-step instructions as we build a wrist-worn charger using a small DC motor and a ...

This simple circuit can be used as an LED emergency light, a power bank for charging mobile phones, and as on-the-go (OTG) USB DC fan driver. The power bank with 12Ah can deliver 2A current for ...

This circuit uses power bank and DC-DC booster module not only for charging mobile devices but also to provide 1.2V to 37V DC power supply. The compact circuit can even be used during AC mains power ...