Car battery shopping has to be one of the least exciting parts about owning a car. Usually, it comes after several attempts at starting the vehicle, or after you had to call AAA to jump a dead ...

A commercial nuclear battery from City Labs. A Betavoltaic cell is a device that uses a radioactive source of beta particles and a semiconductor p-n junction to generate electricity. Tritium ...

Woven electrodes A battery made of carbon fibre composite is as stiff as aluminium and has a gravimetric energy density high enough to be used commercially. (Courtesy: Chalmers University of ...

While debugging a strange battery failure in a manufacturing process, [Josh] discovered a new (to us) LiPo battery failure mode. Different battery chemistries react differently to temperature.

Faith is a writer whose work has been featured in EcoWatch and Today’s Homeowner. She holds economics and English degrees from the University of North Carolina at Chapel Hill and likes to ...

Most of us — casual users and enthusiasts alike — are forever searching for smartphones with the longest battery life. And while fast charging keeps us topped up every day, the absence of ...

While the nine hour battery life is considered just average ... She's been covering consumer tech since 2016, and her work has appeared on USA Today, Reviewed, Polygon, Kotaku, StarWars.com ...

What is the best solar battery overall? We've evaluated many solar batteries over the course of the year, and the Bluetti EP900 Home Battery Backup is CNET's pick for the best solar battery ...

Battery-powered doorbells offer flexibility in terms of placement and installation, but require periodic battery changes or charges every three to six months. Wired doorbells do not need battery ...

Apple's MagSafe Battery Pack allowed users to recharge their iPhones without the hassle of cables or bulky power supplies. This multifaceted accessory could add about 2,000mAh of power to your ...

That is gradually becoming true for batteries and how we express their capacities. Traditionally, mAh (milliampere-hour) told us how much charge a battery can hold so that we could choose a phone ...