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 ...

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 ...

Before we explore how competing technologies work, it’s worth revisiting the basics of a rechargeable lithium ... from the same-sized cell. Finally, these batteries also use an aqueous ...

Rechargeable batteries are one of the best ways to save money and reduce e-waste. Upgrade this spring if you're still tossing out dead batteries. However, you need to be wary when buying ...

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 ...

Tesla's revolutionary 4680 battery cell promised to change the EV game, but does it live up to the hype? 🚗🔋 In this video, we uncover the surprising setbacks, challenges, and limitations 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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