Rolex has a new Submariner Date that costs over $10,000, but oddly enough, it isn't a dive watch — or a watch, for that ...

Small flashing red lights and chirping sounds every 30 to 60 seconds can mean it’s time to change a smoke alarm’s battery.

The Brainerd fire chief recommends changing batteries in detectors at least twice a year. Daylight savings time ends early Sunday morning.

The fire department is encouraging people to change the batteries in their smoke alarms as people get ready for the time ...

While Mashable has yet to perform nuanced battery testing of our own, we at least have official spec sheets to go off of ...

A team in China says a water-based (aqueous) battery hit ~1,200 Wh/L in lab tests—nearly 2× today’s lithium-ion. We break down how it (supposedly) works (mixed halogen electrolyte with iodine & ...

The Chinese startup has begun mass-producing two types of sodium-ion batteries and plans to launch a third this month. HiNa Battery Technology is a trailblazer in developing and mass-producing ...

Apple Watch battery life is better than ever. Apple Watch Ultra 3 measures battery life in days, and Series 11 isn’t too far behind. In a recent battery life test, I measured 28 hours between charges ...

Trump Takes Action Against Nigeria for Ongoing Persecution of Christians AT&T Denied Jack Smith’s ‘Arctic Frost’ Subpoena for Senators’ Phone Records While Verizon Complied Maryland Middle School ...

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 ...

It turns out that Apple's new Adaptive Power mode extends beyond the iPhone. Starting with watchOS 26, Adaptive Power is enabled by default on all compatible Apple Watch models set up via Apple Watch ...

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