12V 24V Continued Power 300W 300W Continued Power (20 Min) 350W 350W Peak Load Power Rate < 500W < 500W No Load Current Draw < 0.5A < 0.5A Total Harmonic Distortion < 4% < 4% Input DC Voltage Range 10-15V 20-30V Output Voltage Range 110/220+/- 3% Output Frequency Range 60 +/- 3Hz 60 +/- 3Hz Max Outer Temperature < 65 C < 65 C Low Voltage Alarm Level 10.7V 21.4V Low Voltage Cut Off Level 10V 20V Short Protect Yes Yes Overload Protect Yes Yes Dimension (LxWxH) 279(L)x106(W)x58(H)MM Weight 1.67KG