The IMS Series are power inverters which use a modified sine wave to produce 230VAC mains from a 12V battery or 12V DC power supply. The inverter is over 85% efficient, utilises a soft start on power up to minimise inverter shut down. It has low voltage and over voltage input protection, short circuit and overload output protection. The unit is fitted with temperature controlled cooling fan and has LED and audible fault indication. The inverter has a 1000mA USB output socket to directly charge portable media devices. It is perfect for use while camping or caravanning or as a means to convert charged batteries for back-up power in case of a power cut. This inverter can be used with lights, soldering irons, curling tongs and many other everyday household appliances.