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

The WBT21 is also a watch battery tester with a big voltage display that will precisely test Silver Oxide 1.55V, Alkaline ...

Apple tends to be quite reticent about the battery specs of its products, preferring to talk about how long the battery lasts. Focusing, in other words, on estimated hours rather than exact watt-hours ...

One of the things that could make an Apple Watch a poor choice as a wristwatch is its battery life. While traditional watches can go years on a single battery, your Apple Watch can't even last up to a ...

As I type this, my Apple Watch Series 10's battery has dropped to 26%. I'm about to put it on the charger for about an hour before I go out for my next run. I last charged it almost 30 hours ago. Sure ...

We love the Apple Watch here at T3 but compared to some other wearables it doesn't exactly have battery life to spare, which is why reports of excessive battery drain are so concerning. Some users ...

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

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 ...

After an Apple Watch update seemed to hurt battery life significantly, Apple moves to fix it with watchOS 10.1.1. After Apple released watchOS 10.1, users started reporting that their Watches took a ...

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 ...