Lithium-ion batteries are common in everyday devices, but Massachusetts fire officials warn they can quickly turn dangerous.

A 76-year-old grandmother was killed when an e-bike battery exploded like a “blowtorch” inside a Queens pizzeria on the Fourth of July – trapping her as she tried to leave the bathroom, the FDNY said.

We've become increasingly reliant on lithium-ion batteries. In their various shapes and sizes, they can power everything from smartphones to EVs and have proven invaluable for their capacity to charge ...