Rosewill RCI-201MS 200W Power Inverter $14 at Newegg

Newegg has the Rosewill RCI-201MS 200W DC To AC Power Inverter for $50 - $36 off with coupon code EMCJJJD26 [Exp 11/22] = $14 with free shipping. Converts 12 volt DC power into two 110V-AC outlets, and features overload, short, and a low voltage audible alarm.