This is a simple circuit diagram of 9V battery charger circuit using SCR and LM311. This is a simple circuit diagram of 9V battery charger circuit using SCR and LM311. The principle behind the circuit ...

The Over-the-Top type of operational amplifier is ideal for use as a current sense for battery charger applications. The design described here can be used with chargers for rechargeable batteries ...

The following automatic battery-charger design is created with a circuit that could qualify as the simplest window comparator ever built around a single transistor (see the figure). It starts charging ...

You can find a mobile battery charger just about anywhere, but finding a good one isn’t easy. I’ve settled on this Baseus model, which I’ve been using for a pocket power boost for almost a year. It’s ...

I designed a compact, standalone Li-ion battery charger that is simple to build, extremely affordable, and easy to integrate directly into projects.

Sure, you could grab your cell phone and call a mechanic at the first sign of car trouble, or you could become self-reliant by buying a couple of things that can get you up and running almost as ...