Whether you're going off-grid, need power during an outage, or are simply camping for the weekend, portable power stations are essential for keeping devices and appliances powered and ready to go.
One of the weird quirks of working from home and owning a lot of cars is that I might go a month or a few between driving a specific vehicle. This is especially true in the winter, when I just won't drive my favorite cars at all to keep them out of the road salt. Many of my vehicles don't have the privilege of sipping from a battery tender. Yet, when I'm ready, the cars fire up when it's time to drive.
Never place batteries of any type in your curbside recycling bin. Batteries can damage recycling equipment and, if lithium batteries are mixed in, cause fires. Always use designated battery collection programs.
Tesla has confirmed that it is now producing both the anode and cathode of its 4680 battery cells using a dry-electrode process, marking a key breakthrough in a technology the company has been working to industrialize for years. The update, disclosed in Tesla's Q4 and FY 2025 update letter, suggests the company has finally resolved one of the most challenging aspects of its next-generation battery cells.
EDC used to mean something very specific. Ask any survival enthusiast and they'll tell you it stands for EveryDay Carry, the essential tools you keep on hand at all times. A Swiss Army knife. A multi-tool. A compact flashlight. Things built for the unpredictable, the inconvenient, and the emergency. The whole point was physical survival, and the design language to match: rugged, matte, built to last.
When the battery starts discharging, the sulfur at the cathode starts losing electrons and forming sulfur tetrachloride (SCl 4), using chloride it stole from the electrolyte. As the electrons flow into the anode, they combine with the sodium, which plates onto the aluminum, forming a layer of sodium metal. Obviously, this wouldn't work with an aqueous electrolyte, given how powerfully sodium reacts with water.
The team, from the Chinese Academy of Sciences and Beijing Institute of Technology, recently published their findings in Nature Communications. According to their research, the process not only avoids conventional leaching chemicals and extreme heat to extract lithium from old batteries, but it also uses carbon dioxide in what the authors call a sequestration step, and turns other battery transition metals into new catalysts - with CO₂-rich water doing most of the chemical work.
Button cell batteries are the small, flat, round batteries found in watches, hearing aids, car key fobs, calculators, and medical devices. Although they are tiny, these batteries contain valuable materials that can be recovered and can harm the environment if not handled or disposed of correctly. The main challenge in recycling button cells is their small size and the difficulty of sorting them.
The first sites are expected to open later this Summer, and will be built at select locations along I-5 and I-10, major routes for commercial vehicles and significant logistics companies. The chargers will be available in California, Georgia, Nevada, New Mexico, and Texas. Each station will have between four and eight chargers, delivering up to 1.2 megawatts of power at each stall.
Lithium-ion (Li-ion) batteries are found in many devices we use every day, like smartphones, laptops, tablets, wireless earbuds, power tools, e-bikes, and electric vehicles. By 2023, there were more than 40 million electric vehicles on the road worldwide, and billions of portable electronics used Li-ion cells. These batteries are valuable for recycling, but they can be dangerous if not disposed of correctly.
Batteries in electric vehicles that regularly use 100-plus-kilowatts fast chargers degrade faster than those that rely primarily on slow charging, a new study suggests. Using fast chargers more frequently can cause some packs to lose nearly a quarter of their capacity in eight years, it claims. We've seen other studies suggest that fast charging has little impact on long-term battery health, so it's not a settled debate.
Connected Energy is developing what it describes as the UK's most advanced second-life EV battery testing facility as part of its first wholly owned and operated battery energy storage system (BESS) site. The project marks a step change in the company's strategy, moving from delivering systems for third parties to owning and operating grid-scale storage assets. The site will be located at Scottow Enterprise Park in Norfolk, close to Connected Energy's technical centre. Alongside its role as a commercial energy storage installation, the facility will be used to test the integration and performance of batteries from multiple electric bus and truck manufacturers.
Linogy is a rechargeable battery ecosystem built around 1.5 V Li-ion AA and AAA cells plus an all-in-one smart station. The station lives on a desk or shelf, acting as a battery tester, fast charger, and organizer case that holds up to 40 cells. The goal is to replace the random drawer with a single, visible place where all your batteries live and get managed.
For the most part, rechargeable battery-powered devices are incredibly well-behaved. It's a good thing, really, because most of us are happy to go to sleep with a charging smartphone not far from our head each night, and cram ourselves onto an aircraft and spend many hours at 40,000 feet surrounded by hundreds of different devices -- all of varying quality and state of repair -- containing a rechargeable battery.
Most people no longer live on a single machine. A MacBook for creative work, a Windows desktop for heavier tasks, an iPad for meetings, and a phone for everything in between. The awkward dance of swapping keyboards, re-learning shortcuts, or tolerating cramped laptop layouts becomes daily routine, and most wireless sets still assume you are loyal to one OS and one device at a time, which feels increasingly out of step with how people actually work.
While the abrupt end to your home chef experience is inconvenient, the bigger issue is that your gas furnace still needs electricity to run, and it's supposed to drop into the 20s overnight. Now imagine that while everyone else is rifling through their junk drawer for flashlights and batteries,
They do nothing to save you power Scam "power saving" devices are rampant online. These devices plug into an outlet and promise to "improve the use of energy," "extend the life of electrical equipment," and even "avoid illegal electrical waste." Sounds great, right? Also: This USB power meter I tested is shockingly accurate - especially for how cheap it is Well, despite the bold claims and the sticker on the front of the unit, they are too good to be true.
There was a time not too long ago when buying a power bank was as easy as choosing the cheapest portable battery that could charge your phone and quickly slip into your pocket, purse, or backpack. The hardest part was deciding whether it was time to ditch USB-A ports. Recently, however, brands have been slathering on features, many of which are superfluous, in an attempt to both stand out from the commodified pack and justify higher price points.