If you go to Settings -> Battery on your iPhone, you can see a lot of stats about the performance and health of your battery. This includes a charge graph that plots the battery percentage of the ...

Hey, did you know? CNET Deals texts are free, easy and save you money. If you're planning a drive, a dead battery can bring those plans to a halt -- and it can be dangerous. Keeping a portable ...

Jan. 24, 2025 — Large batteries for long-term storage of solar and wind power are key to integrating abundant and renewable energy sources into the U.S. power grid. However, there is a lack of ...