1. Rated grip frequency: 50HZ/60HZ auto detection.
2. Rang of the grip voltage: 230/176 ~ 270.
3. PV max. input power: 4200W.
4. Rang of the MPPT voltage: DC 60-115V.
5. Charging and discharging efficiency of the overall unit: >92%
6. Battery's rang of the voltage: DC 40V~60V ± DC 0.6V (Undervoltage alarm / shutdown voltage / overvoltage alarm / overvoltage recovery... LCD screen settable)