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 ...

APEM Inc. is expanding its line of LED indicators to feature HYPERBRIGHT LED indicators for daytime viewing and for applications where battery life and low power consumption are critical. APEM Inc. is ...

Most of the battery voltage indicators always remain on even if the load is off. The LED indicator and the circuit consume current which reduces the battery charge and the charger should be ...

The following circuit uses a low-power CMOS comparator and an LED to indicate low-battery voltage without causing excessive current drain. To view the application note, click on the URL below.

While some netbook makers *cough* *MSI* *cough* seem to feel the need to throw so many status LEDs on their case that it’s tough to tell what any individual blinking light means at a glance, others ...