Fast charging has become a must-have feature in today’s phones. It keeps our batteries topped up throughout a busy day and has us back in action in mere minutes. However, there are a variety of ...

A simple method of charging a battery from a higher voltage battery is shown in the circuit below to the left. Only one resistor is needed to set the desired charging current and is calculated by ...

For as much capacity lithium-ion batteries have, their useful lifespan is generally measured in the hundreds of cycles. This degradation is caused by the electrodes themselves degrading, including the ...

Analog power supply chip specialist Torex has unveiled the XC6802 Series of linear charger ICs for single cell lithium-ion batteries. Available in the ultra-small USP-6C package, as well as in ...

Last time, we covered storing and charging a 3000 Farad supercapacitor to build a solar-powered, portable spot welder. Since then, I’ve made some improvements to the charging circuit and gotten it ...