Built-in 500W MPPT solar charger, MPPT efficiency: 98%(Typ.) Built-in battery low relay contact Protections: Bat. low alarm/Bat. low shutdown/Over temp./Output short/Input polarity reverse/Over load Other Features: High surge power up to 1000W Power ON-OFF switch High frequency design AC Output voltage regulation : 10% AC Output wavform : Modified sine wave Modified models available(optional): 100/115/120VAC or 200/220/240VAC Cooling fan ON-OFF control LED indicator for operation status 2 years warranty
