Plenty of new battery types have promised to outperform traditional lithium-ion batteries, but only one has stood out.

Apple Watch Ultra 3 is the first new Ultra model to come with battery life gains, but Apple Watch Series 11 brings battery increases too. Here’s how Apple’s two new flagship Watch models compare ...

Potentially one of the best features to hit the iPhone in the past few years was Optimized Battery Charging. First introduced a year ago with iOS 13, Optimized Battery Charging was designed to reduce ...

Dead smartwatch batteries during 16-hour workdays used to mean missing sleep data and scrambling for chargers, but the Apple Watch Series 11 eliminates that anxiety entirely. For the first time, Apple ...

Gadgets are all about trade-offs, and the Apple Watch is a perfect example. To stay svelte, it has typically had a small battery that requires frequent charging. Many people don’t mind the daily ...

With watchOS 26, Apple is upgrading the battery monitoring features on the Apple Watch. The system will observe your average usage patterns, and notify you if your watch battery is draining faster ...

The Chinese startup has begun mass-producing two types of sodium-ion batteries and plans to launch a third this month.

The Apple Watch has many strengths, but battery life isn't one of them. While Apple's smartwatches are rated for up to 18 hours of power (depending on usage), it's not the same as the days-long ...