Battery problems rarely arrive out of nowhere. Long before a car refuses to start or a phone dies at 20 percent, small changes in behavior reveal that the power source is struggling. I look for those ...

The Department of Energy's Pacific Northwest National Laboratory has begun the first tests of a utility-grade battery at the new Grid Storage Launchpad, a major milestone for DOE's investment in ...

The Department of Energy’s Pacific Northwest National Laboratory (PNNL) has officially begun its first utility-grade battery tests at the new Grid Storage Launchpad (GSL), initiating a rigorous ...

Don’t worry, it’s not just you. Everyone dropped their first, or likely fortieth, F-bomb when their dad had them hold the spark plug while he hit the kickstarter on their dirt bike. While it might ...

Abstract: In a space mission, a satellite must maintain a power supply until it reaches End-Of-Life (EOL). To ensure mission continuity, it is crucial to test battery modules and perform qualification ...

John V. is back again with the end of year results of the Tom’s Guide Battery Test, ranking the best phones for battery life based on our official benchmarks. All of the smartphones on this list ...