300 Watts Inverter Basic Data: Max long term power output 300 watts Spike output power (peak) 500 watts Input voltage range DC 10V-15V Output voltage range AC 110-120V / AC 220-240V Output frequency 60+/-3Hz / 50+/-3Hz Output waveform Modified sine wave Optimum efficiency More than 90.50% No load current draw Less than or equal to 0.3A Cooling Fan Yes Input over voltage shutdown 15-15.8V Input under voltage shutdown 9.5-10V Overload shutdown More than 400 Watts Operating temperature range 0-55 degrees centigrade Storage temperature range -10-65 degrees centigrade Test mark CE Size 120 x 102 x 55.5 Millimeters Weight 750 Grams