300W Pure Sine Wave off-grid Inverter. Original dual-soft start technology. CPU core SPWM pulse width control technology. Original constant power output technology. Model No. JN-H Power level 300W Rated power 300W Output peak power 600W  (<1S) Battery voltage  12/24/48VDC Machine dimension (L*W*H mm) 166*125*55 Package dimension (L*W*H mm)  510*260*380(10PCS) Net weight kg 0.9