Good battery care use to involve letting the battery discharge completely every so often. With modern battery technology, that's no longer true.

Batteries serve as the main source of power in a substation in the event of an AC outage. They power critical loads and equipment like relays, indicator lamps, circuit-breaker controls, motor ...

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.

To calculate the discharge rates of EV batteries, we first need to understand how lithium-ion batteries work and how they are used. Nearly all electric vehicles on the market today feature a ...

Virtually all the mobile devices we discuss here on Macworld are based on rechargeable batteries – the days of digging out a pack of AAAs are mostly gone – but it would be a mistake to believe that ...