Overheating batteries are a serious risk, in the worst cases leading to fires and explosion. A team has now developed a simple, cost-effective method to test the safety of lithium-ion batteries, which ...

This SmartCard is sleek, lightweight, and designed to slip seamlessly into your wallet. Plus, ZDNET has the best exclusive ...

Rechargeable lithium-ion (Li-ion) batteries typically last hours or days between charging. However, with repeated use, batteries degrade and need to be recharged more frequently. Now, researchers are ...

The Godox iA32 is a space-saving flashgun that’s compatible with pretty much any camera. It has retro chic aplenty and works ...

Apple AirTags are bulky and not ideal for wallets. This SmartCard, which I tested, is thin and lightweight enough to fit in ...

German researchers say they have dismantled batteries from both Tesla and BYD to see what is inside and how they are made, and they concluded that BYD’s are more efficient. Tesla and BYD are two of ...

If you love the concept of a Battery Daddy–like organizer but prefer rechargeable batteries, Sarah recommends the EBL Black Batteries Box. “This sturdy plastic briefcase is packed with a dozen ...

Enter gravity batteries, a technology that uses one of the simplest forces in nature—gravity—to store large amounts of energy. This approach, now being trialed in various forms worldwide ...

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Two children have undergone urgent surgeries in the first few months of this year in South Australia after swallowing a button battery. The parents of a 15-month-old toddler say they feel lucky ...