Harbor Freight's second cordless heat gun is made by Hercules and costs $49.99. It's also powered by a 20-volt battery and can produce temperatures up to 905 degrees Fahrenheit.

The $139.99 Hercules 20-volt Cordless Variable-Speed Grease Gun from Harbor Freight delivers up to 10,000 psi with a flow rate of up to 5 ounces per minute.