Signals when an on-circuit battery is exhausted, 5V to 12V operating voltage A Battery-status Indicator circuit can be useful, mainly to monitor portable Test-gear instruments and similar devices. LED ...

The Design Idea in Figure 1 indicates a low-battery condition in an audio test instrument that is powered by four AA cells. As the instrument was otherwise an all-discrete design, this same approach ...

The National Transportation Safety Board believes an internal short circuit within a single cell inside a lithium-ion battery led to a fire aboard a Boeing 787, shedding new light on the battery ...