... performance evaluationAC power factor:above 97%,AC voltage range:19v-260v;AC frequency range:48-56hz ... voltage range:22-61Operational efficiency:90%,standby power:<1w,night power:0;nax.output power,mppt locked point:200wDC high input voltage shutdown ... :61,DC low input voltage shutdown:22islanding protection:YES,communication status:YES,temperature shutdown:75100% load ...