Rechargeable lithium-ion batteries power everything from electric vehicles to wearable devices. But new research suggests that a more sustainable and cost-effective alternative may lie in zinc-based ...

A Lithium-ion cell is a type of rechargeable battery in which lithium ions move from the negative electrode to the positive electrode during discharge and back when charging. Li-ion batteries use an ...

If you've snagged one of the best iPhones or best Androids recently, you're going to need a faster charger than you were using before, and you'll definitely want a battery pack to keep your phone ...

Rechargeable batteries, which can be used again and again through top-ups from the mains-connected charger, are an investment – the best will last for hundreds of hours of use. They have several ...

Is your phone, tablet, or laptop typically in the battery red zone before the day's end? These portable chargers and power banks give you the most boost when you're out of juice. I’m a Mobile ...

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Apple released the AirTag in April 2021, so it is now over three and a half years old. While the AirTag has not received any hardware updates since then, a new version of the item tracking ...