Product Features Excellent performance because of an MCU intelligent control technology A wide range of applicable loads because of pure sine wave AC output Convenient and practical 5VDC USB output port and 12VDC output port Solar array and battery connrnon-anode system input Charge by mains supply for flexible configuration (optional function) Overcharge protection and overdischarge protection for a longer battery life; LCD and LEDS for visualization of operation status of the equipment; Overall automatic protection and alarms including AC output over load protection, short circuit protection, etc.