... ship the free part pure sine wave Power inverter Name:pure sine wave power inverter;home inverter,household inverter,inverter with charger;Foshan Tanfon Energy ... ± 3%Invert frequency50HZ± 2%DC voltage12V24V/48v48V96V240VOutput wave formPrue sine waveTHD≤ 3%Transfer time≤ 4ms Automatic transferLow- ... , 96V, 192V, 240V for optional 12227, output pure sine wave: 220V+-3%. 8, it can drive impactive loads, ...