A man built a home power system using 650 junked laptop batteries—and it’s quietly outperformed commercial tech for nearly a ...

Samsung SDI faces a string of similar cases filed across the country by plaintiffs who allege they sustained severe burns from exploding e-cigarettes, some of which have been dismissed due to lack of ...

With 18650 cells as cheap and plentiful as they are, you’d think building your own custom battery packs would be simple. Unfortunately, soldering the cells is tricky, and not everyone is willing to ...

The MagSafe Battery Pack for the iPhone Air features a battery with the same capacity and design as the one in the iPhone Air itself, judging by a new video teardown. To achieve a relatively thin ...

We all miss Apple’s MagSafe Battery Pack and want to see it return. In the meantime, the old magnetic battery accessory has resurfaced in an unlikely place. Apple introduced MagSafe as part of the ...

With a 2024 CNET survey finding that 78% of US adults are concerned about rising home energy costs, it's no surprise that homeowners are looking to save money. One way to do that is to get your home ...

South Korean battery supplier SK On is looking at a different type of cooling method for electric vehicle battery packs. Last week, SK On put the focus on immersion cooling at InterBattery 2025, a ...