PCWorld explains how to calibrate smartphone and laptop batteries when they display inaccurate percentage readings or cause ...

Sometimes, your battery loses its power without you knowing. In some cases, people put their gadgets inside safe storage only to discover later that their 100% battery is not full anymore.

Learn how to conduct battery discharge/charge testing and new alternatives to the potentiostats or galvanostat instruments commonly used for electrochemical studies. Rechargeable batteries are ...

The circuit was designed to produce an indication before a 12 V lead acid battery would reach the discharged state LM723 – a positive NPN standard voltage regulator mainly designed for series ...