500W High frequency pure sine wave inverter. Comes with USB charging port. Input and output isolation technology Safe anti-shock protection function.    Model No. JN-H Power level 500W Rated power 500W Output peak power 1000W  (<1S) Battery voltage  12/24/48VDC Machine dimension (L*W*H mm) 235*146*66 Package dimension (L*W*H mm)  590*310*380(10PCS) Net weight kg 1.55