Apple's AirTag trackers are handy little devices that make it easy to keep tabs on your belongings. Powered by Apple's vast Find My network, AirTags send out Bluetooth signals that can be detected by ...

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It’s easy to forget, but your AirTag can actually run out of juice, so knowing how to replace your AirTag battery is key. Apple’s trackers are designed to last more than a year on a fresh battery, but ...

Lithium-ion batteries have terrific properties that have caused a revolution in everything from tiny flashlights to Ford trucks. Yes, you have to take them seriously if they show any sign of having a ...