A fire broke out in a warehouse early Thursday.
Firefighters battled the smoky fire at the warehouse in the 6600 block of Grant Way in Upper Macungie Township, Lehigh County.
The warehouse is used by Enersys, officials said. The company works with industrial-sized batteries, according to its website.
The sprinkler system activated after the fire broke out, but firefighters battled a large amount of smoke, officials said.
No injuries were reported. Investigators have not determined what caused the fire.