Nickel Cadmium (NiCd) batteries are widely used in consumer electronics due to their high energy density and long life. Constant current charging is often recommended by manufacturers. Several ...

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.

If you are someone who tends to use a lot of power tools, the Ryobi ONE+ system is a pretty terrific investment. Through their standard 18V battery, you can power everything from drills to ratchets to ...

The voltage of a car battery can be measured with the use of a voltmeter as well as the charge left. A typical car battery voltage delivers around 12.6 V under no load condition and will require ...