li-ion battery Archives | ElecCircuit.com

Simple Li-ion Battery Charger Circuit with Automatic Cut-Off

Last Updated on: March 19, 2025 by Apichet Garaipoom

simple Li-ion battery charger circuit NE555 TL431

Let’s make Simple Li-ion Battery Charger Circuit with auto cut off when fully charged. To revive batteries that dead or so old. And using common components NE555, TL431. Read more

Recycle Free Li-ion battery from E-waste

Last Updated on: April 12, 2025 by Apichet Garaipoom

We are going to show how to recycle free 18650 Li-ion battery from electronic waste. Our experience using it for almost a year, it runs well. Read more

Let’s learn how Cell Phone Charger circuit work

Last Updated on: April 6, 2024 by Apichet Garaipoom

Modify cheap mobile phone charger inside is simple DC switching regulator circuit and can apply many ways, such as DC power supply Read more