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Summary Bus-powered USB hubs draw constant power, draining and degrading your laptop battery. Running high-power drives, phones, or monitors through unpowered hubs risks overload, heat, and damage. Use self-powered hubs, enable battery-saver, and keep charge between 20%-80% to extend life. Laptops are pretty essential as on-the-go computers, but don’t always come with all the USB ports you need. That’s why USB hubs have become a go-to solution for so many of us, turning a single port int...

Synopsis Brokerages are optimistic about select cement, steel tubes, and battery stocks, projecting double-digit returns for long-term investors. Emkay Global recommends ACC and Ambuja Cement, while Nuvama favors APL Apollo Tubes and Amara Raja Batteries. Axis Securities also suggests Star Cement, with potential upsides ranging from 12% to 28%. Agencies Tata Capital, the flagship financial services arm of the Tata Group, will open its Rs 15,511 crore initial public offering (IPO) for subscriptio...

Doogee launched the Fire 5 last month, and we’ve learned that the brand will add two more models to the series this month, called the Doogee Fire 5 Pro and the Doogee Fire 5 Ultra. We have received the images and specs of both smartphones from a reliable source, so let’s take a look at what’s on offer. The Doogee Fire 5 Pro and Fire 5 Ultra are basically the same phones, with the most notable differences between the two being the camping lights on the Ultra model, which also fe...

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FILE PHOTO: New York Jets quarterback Mark Sanchez leaves the field after losing to the Miami Dolphins in their NFL football game in East Rutherford, New Jersey, October 28, 2012. REUTERS/Gary Hershorn/File Photo By Joseph Tanfani (Reuters) -Former NFL quarterback and current Fox Sports analyst Mark Sanchez was charged with battery after a fight in downtown Indianapolis that left him hospitalized with stab wounds on Saturday shortly after midnight, police and the TV network said. Advertisement I...

Apple has packed a lot into iOS 26—including a new battery saving mode. Image: Apple Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. Modern-day smartphones continue to get ever more powerful, intelligent, and versatile, but they do have their own kryptonite: dead batteries. If your phone’s battery level reaches zero, then it’s suddenly no use at all. That means phone makers are constantly trying to find more ways to get more time be...

More and more, big arrays of lithium-ion batteries are being hooked up to electrical grids around the U.S. to store power that can be discharged in times of high demand. But as more energy storage is added, residents in some places are pushing back due to fears that the systems will go up in flames, as a massive facility in California did earlier this year. Proponents maintain that state-of-the-art battery energy storage systems are safe, but more localities are enacting moratoriums. “We’re...

Baseus EnerCore CR11 power bank ZDNET’s key takeaways Baseus’ EnerCore CR11 is a powerful 67W power bank that’s about as compact as you can get for $63 on Amazon. Its built-in retractable cable means you don’t have to worry about bringing cords along, and powerful enough to top up a laptop. It might be overkill if you’re just charging your phone or a camera. $62.99 at Amazon Follow ZDNET: Add us as a preferred source on Google. I’ve noticed that when I’...

MIT researchers developed a model that explains lithium intercalation rates in lithium-ion batteries. WEBWIRE – Friday, October 3, 2025 At the heart of all lithium-ion batteries is a simple reaction: Lithium ions dissolved in an electrolyte solution intercalate or insert themselves into a solid electrode during battery discharge. When they de-intercalate and return to the electrolyte, the battery charges. This process happens thousands of times throughout the life of a battery. The amount of p...