The circuit was designed to create a spare and reserve power source with the use of batteries during the absence of power from the mains. BD139 – NPN power transistor used for driver stages in hi-fi ...

Over the last couple of decades the use of rechargeable batteries has grown enormously, and for most common applications there are ASICs[1] which control battery management with very little additional ...

Because stationary batteries and 48VDC power systems serve as lifelines for telecommunication networks, the reliability of these systems is of the utmost importance. Many system designers rely on ...

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 ...

Smartphones, electric vehicles and many portable devices rely on batteries. Their energy storage capacity, lifetime and ...

How lithium-ion (Li-ion) batteries behave under short-circuit conditions can now be examined using a new approach to help improve reliability and safety. How lithium-ion (Li-ion) batteries behave ...

Balanced charging of each cell in a battery pack is critical to meeting system requirements and maximising lifespan, while ...

Researchers at the Max Planck Institute for Sustainable Materials have uncovered how lithium dendrites ...