The best deal of the bunch is for the iRobot Roomba Combo j9+, which is down to $780. The standard asking price is a whopping ...

Scientists at the SLAC-Stanford Battery Center have discovered a simple ... For electric vehicle manufacturers, in particular, this discovery could be game-changing. Further studies could refine ...

But here's the catch: Traditional battery manufacturing can be pretty harsh on the environment and our health due to those problematic "forever chemicals" called PFAS. These chemicals sneak into ...

One of the most consistent bugbears over the years has been to do with battery life — whether it’s finicky fast charging or just phones just downright not lasting long enough. Virtually ...

Battery chainsaws offer a convenient, low-maintenance option to gas-powered versions. This hands-on review cuts to the chase with the best models for managing your yard. Most of us associate ...

A lithium-ion battery, of the kind used in everything from our phones to our cars, is usually charged up soon after it is first made. That first charge is key: it decides how long the battery will ...

Since some people's workloads (and general convenience) call for multi-day battery life, some phones are much more heavily geared toward endurance than others. Putting our expertise to work ...

The new technique, developed by a team from Qingdao Institute of Bioenergy and Bioprocess Technology (QIBEBT) in China, enables a highly-promising type of battery to achieve ... for real-world ...

The new technique, developed by a team from Qingdao Institute of Bioenergy and Bioprocess Technology (QIBEBT) in China, enables a highly-promising type of battery to achieve 20,000 charging cycles ...