The Ollee Watch features an ARM Cortex-M4/M0+ low-power processor with support for Bluetooth Low Energy and a programmable NTAG213 NFC tag (although this is said to only be compatible with the F-91W ...

The Apple Watch Series 11 adds more battery life but not much more to the wearable. Here's how it compares against the astoundingly similar Apple Watch Series 10. For 2025, the updates in the Apple ...

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 ...

Update: Follow our Apple Event live blog for all the big news as it's announced! Despite rumors suggesting otherwise, there was no Apple Watch Ultra 3 launch last September (2024). Instead, all we got ...

Take smart rings. They're bands of metal or plastic containing a tiny rechargeable battery. Most of these items go through their lives doing what they're supposed to do, until the battery is exhausted ...

The Samsung Galaxy Watch 8 might be the latest smartwatch from the company, but it's not bulletproof. Here's how to solve ...

Teslas are expensive luxury vehicles, and as such, the repairs for a Tesla vehicle are equally expensive. That becomes even more apparent when a Tesla requires a battery replacement. On an electric ...

Jeff Carlson writes about mobile technology for CNET. He is also the author of dozens of how-to books covering a wide spectrum ranging from Apple devices and cameras to photo editing software and ...

The bad news is Oura Ring 4's battery life is weakening, one year after it debuted. The good news is Oura is fixing the issue.

Reviving dead lithium-ion tool batteries is unsafe, damaged cells can trigger leaks, thermal runaway, fires, or explosions.

The Apple Watch Series 11 features the device's first ever decisive battery life increase, reaching a full 24-hours. Since the Apple Watch was first unveiled in 2014, it has featured what Apple called ...