Fire and Burns

Cooking causes more home fires than anything else, and unattended equipment is 37% of them. Meanwhile 57% of home fire deaths happen where the smoke alarm was missing or dead — and 43% of failures were batteries someone removed.

Full-scale fire experiments show a lithium-ion battery can charge quietly for hours, then go from first smoke to an unsurvivable room in about 30 seconds. What the data says about charging safely at home.