Pila Energy, founded by former engineers from Tesla, debuted at SXSW with an easy way to keep your fridge going in a power outage. Jon covers artificial intelligence. He previously led CNET's home ...

A home battery will ensure you don't lose power during outages, but it has a limited capacity. Is it worth the investment? Here's everything you need to know. Nobody likes dealing with power outages: ...

Can a small Massachusetts start-up perfect a battery that would make electric vehicles cheaper and more convenient than conventional cars? Can a small Massachusetts start-up perfect a battery that ...