This automatic NiCd charger for 9V NiCd batteries is using 555 timer properties and is very easy to build. Why is an automatic 9 volts NiCd battery charger? Because you can leave the battery for ...

The battery is charged with small amount of AC voltage or DC voltage. So if you want to charge your battery with AC source then should follow these steps. The battery is charged with small amount of ...

Discover how to build a simple wireless power transfer system at home using readily available components like enameled copper ...

The increasing dominance of lithium cells in the market place leave our trusty NiMH cells in a rough spot. Sure, you can ...

[Chris] was unhappy with the battery performance of his Rovio. It seems that he’s not alone, so he set out to reverse engineer the battery charging circuit to see if there was a fix. Boy is there, ...

What is a pre-charge circuit and what role does it play? The fundamental elements of a pre-charge circuit. Some basic best practices and where to find more information. A common challenge in systems ...

Recharging is a necessity for all portable wireless devices. When such devices are recharging, however, they have a tendency to overheat. Linear Technology Corp. wants to address this problem with the ...

When a plant engineer must replace bus duct at a battery charging facility, the issue of overloaded neutrals comes front and center. The plant engineer at an automobile battery-charging facility ...