● Excellent performance because of double CPU intelligent control technology; ● A wide range of applicable loads because of pure sine wave AC output ● The mains supply mode/energy-saving mode/battery mode can be set for flexible ● Convenient and practical 5VDC-USB output port and 12VDC output port; ● Digital LCD and LEDs for visualization of operation status of the equipment ●Overcharge protechon and overdischarge protection for a longer battery life; ● Safe and reliable with intelligent exhaust fan control ●Overall automatic protection and alarms induding AC output overload protection . short arcuit protection , etc .●For external battery pack input switch, please select current of breaker is or above 60A; ●For solar module input switch, please select current of breaker is or above 30A.①——Fan ②——AC Output (Max. 10A) ③——AC Input ④——Solar module input terminals ⑤——External battery input terminals(selectable) ⑥——Built-in battery switch ⑦——RS232 communication port ⑧——Model stickers ⑨——Heat dissipation window ⑩——Inverter LCD display / operation interface ⑪——Solar input state indicator ⑫——Battery mode indicator ⑬——DC output indicator ⑭——Output ON/OFF switch ⑮——5VDC-USB output terminal