Apple says its Apple Watch Series 3 offers "all-day battery life" with 18 hours of usage, but in some cases, the LTE model's battery will drain more quickly. The 18-hour usage metric includes 90 time ...

Apple’s latest smartwatch delivers a wide range of improvements, including a bigger display, a more powerful chipset, and a brand new watchOS. Where the device doesn’t deviate from its predecessor is ...

The future of batteries, like that of so many of the products they power, is clearly toward smaller, lighter and more powerful models. Developing concurrently with these new battery designs are ...

For low-power devices powered by alkaline or lithium primary batteries, every microampere of current becomes critical for extending battery life and increasing the time between battery replacements.