V batteries in pricey battery-electric vehicles are failing, and causing quite a stir among EV owners. We provide some ...

Before batteries lose power, fail suddenly, or burst into flames, they tend to produce faint sounds over time that provide a ...

The Tesla Battery Day holds multiple expectations, but few certainties, if any. We bet on some, such as the "biscuit tin" cell, a much larger unit that promises to come with groundbreaking tech to ...

If you have a collection of Milwaukee tools, it's worth getting its biggest battery. Here's what you need to know about it ...

A new innovation from Panasonic could also help EV companies produce smaller, cheaper batteries without sacrificing range.

To iPhone users who (a) find themselves investing in more chargers so that there's one everywhere they go, (b) discover their new toy is too tired to do anything by late in the afternoon, (c) feel as ...

Phones with thinner designs are enjoying a moment. But while thin phones usually suffer poor battery life, batteries with silicon-carbon anodes are helping circumvent that limitation.

Apple has been hit with a lawsuit claiming that recent iOS software updates "damaged iPhones by dramatically lowing processing speeds and battery life." The lawsuit claims that a slew of users have ...

Thomas Edison went through thousands of materials before he finally found the right tungsten filament to create a working lightbulb. This type of trial-and-error ...