This simple battery charger, with overcharge protection, can be used to charge multiple cells in a battery. It indicates when the cells are fully charged. The charger requires minimal components, ...

Circuit and working Fig. 1 shows a simple low-cost and versatile battery charger circuit. The circuit is simple and lightweight, and does not generate any electromagnetic noise or heat. The only ...

This 24V to 36V linear battery charger is long overdue. While this is an old circuit technique, it is optimized for charging higher voltage lead-acid battery packs, and could be used on other types of ...