Solar power inverter Combined PV Controller & Battery (It built-in inverter + solar controller + battery). Model: 1000?/25.6V Rated capacity: 1000? Dimensions: 300*188*230 INPUT Voltage range of the city grid power (VAC): 170-240 Frequency (Hz): 50±10% OUTPUT Wave: Pure sine wave Frequency (Hz): Grid power Priority model?Same as Grid power Battery power priority model?25.6V Voltage (VAC): Grid power Priority model?Same as Grid power Battery power priority model?230±5% Shift time: Typical: 6ms (Auto shift? PROTECTION Overload: The inverter will be shut down automatically and warn with light and sounds after 25 seconds when get overload by 105-130%, after 3 seconds when get overload more than 150%, after 1 second when get overload more than 200% BATTERY Type: LiFePO4 battery Battery protection: Intelligent battery management, protect the battery from overcharge and over discharge Rated DC Voltage: 1000W 25.6VDC Colidal battery capacity: 1000W 25.6V 35AH 1PCS Voltage of low battery and request charge: 1000W?25.6VDC±3% Voltage of recovery from low battery: 1000W?25.6VDC±3% Voltage for Battery over charge: 1000W?29.2VDC±3% Voltage for battery recovery from over charge: 1000W?25.6VDC±3%