The circuit has been designed to construct a practical mechanism that can easily and automatically charge batteries rated at 6 V or 12 V used in automobiles. BC557 – PNP general purpose transistors ...

There are many options available in the market for designing the battery-charging system architecture for portable products. Examples include power-path versus non-power-path topology, linear versus ...

A simple change in how new lithium-ion batteries are charged can boost their total lifespans by 50 per cent on average – and battery manufacturers everywhere can immediately put the discovery into ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Winter is coming … and so too could be a dead car battery. Colder weather can quickly ...