Many battery powered devices use two AA alkaline cells. Often you will not know when it is time to replace the batteries until the device powered by them actually stops operating. The hobby circuit ...

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. Circuit ...

Small button- or coin-cell batteries power many of the portable consumer electronics in use today. Efficiently monitoring the health and state-of-charge (SOC) of these batteries without significantly ...

Dubai-based Weco has unveiled a new lithium battery solution that can operate in parallel as a low-voltage storage system or in series as a high-voltage battery with no hardware changes. The batteries ...

A small portable device featuring timer, clock, and calendar functions, equipped with a simple and functional interface and a truly long battery life.

I will be talking about single-series (1sXp) cell configurations, for a simple reason – multiple-series configurations are not something I consider myself as having worked extensively with. The single ...

Engineers at MIT have developed a new battery design using common materials – aluminum, sulfur and salt. Not only is the battery low-cost, but it’s resistant to fire and failures, and can be charged ...