When your car doesn’t start, often a low or dead battery is the culprit. Unfortunately, most vehicle owners do not check their battery until it fails. As preventative maintenance, the suggested best ...

The battery on my aging Lenovo 230x goes from 60% to 10% very quickly. I don't mind investing $50 in a new battery to save from buying a new laptop, How do I measure the the capability of a new ...

The better the analog front-end for measuring battery current, the more accurately you'll be able to gauge the remaining run-time for your battery-backup system. Here's a discrete front-end design ...

It is practical to characterise charge/discharge cycles of rechargeable batteries using an SMU (single-source measurement unit), writes Mary Anne Tupta from Keithley Instruments. Rechargeable ...

A man is drawing the attention of internet users after revealing a trick to find out how long your car battery will last.

Although a power supply and a DMM are fine for some measurements, there are many advantages to having sourcing and measuring in the same instrument. Yet many engineers I encounter are not familiar ...

Last week, one of the most important organizations in this industry, SAE International — formerly known as the Society of Automotive Engineers — was in downtown Detroit for the WCX Leadership Summit.

Self-discharge is a normally occurring phenomenon in lithium-ion battery cells. A normal cell may have a self-discharge rate of 1% state of charge (SOC) per month. The normal self-discharge rate is ...

The simplest complete circuit is a piece of wire from one end of a battery to the other. An electric current can flow in the wire from one end of the battery to the other, but nothing useful happens.