Jaycar has an offer on 150W,12- 240V Inverter for $20

Electronic apparatus need to be of high quality in order to give correct outputs even for the safety of auxiliary systems. The wattage for this particular Jaycar's inverter is sufficient for its operations and in addition, a 300W surge provision is available. This deal is good for the value of your cash. The inverter serves the car needs quite well by converting an input voltage of 12V to an output of 240V. More so, there is a 1A USB output port to allow you charge your USB devices. Safety is guaranteed by the surge device present which means your auxiliaries are safeguarded. The product on offer is of 'Modified Squarewave'. type