... as: 4 grid inverter1000W stacking can achieve 4000W 300W Pure sine wave Grid Tie Inverter A.System ... do not need to connect the battery)2,AC 0 angle with high precision auto-detection Pure ... Rated voltage 24VDC, maximum voltage 28VDC.2,AC output: * Output 220V AC power inverter can be used in voltage: ... tear.---Connected to a power outlet to provide AC.---Connected solar panels, battery or wind generators ...