5KW DC48V to AC208V/220V/230V/240V | Solar PV Inverter Can Be Used In Parallel For Max 9 Units and Up to 45KW | Single Phase Inverter with Built-in MPPT Solar Controller Can work without Battery 1 Solar pv inverter parallel operation with up to 9 units. 2 Built-in MPPT solar controller ,solar input voltage up to 450V Maximum. 3 Combining solar energy, battery power source, AC power grid, generator to supply continuous power. 4 Support provide the power to the load without battery (Without inverter parallel operation). 5 Support USB, RS232 communication port, APP (WIFI/GPRS) optional. 6 High frequency pure sine wave design ,high efficiency with low no-load loss. 7 Perfect protection system: Battery low voltage, Battery over voltage, Overload power, Inverter output short circuit, Temperature protection