About 4500 portable generators are being recalled due to a fire hazard.

The recall involves Westinghouse IGen2500 and IPro2500 Portable Inverter Generators used to power appliances, cell phones or other electronic devices.

MWE Investments has received four reports of the recalled generators overheating and catching on fire.

They were sold via Amazon.com, Walmart.com, Homedepot.com and other online retailers from June through October.

Consumers should stop using the generators and contact MWE investments to arrange for a free repair.

MWE Investments can be reached toll-free at 855-944-3571 from 9 a.m. to 5 p.m. ET Monday through Friday, email info@wpowereq.com, or online at www.westinghouseportablepower.com and click on "Product Safety" located at the top of the page.