... stability of the inverter, it reduces its costs3.Output voltage AC:110v, 220v, 230v, 240v,360v (optional) 4.With charger built-in. The ... overload, high voltage and low voltage protection , over heating protection,battery anti-polarity protection,Customer reverse protection etc6.It's humanized ... -voltage,reverse polarity protection and low-voltage protection solar inverter with controller integrative