Pure sine wave inverter
Output power factor 1.0
Selectable high power charging current 
Selectable input voltage range for home appliances and personal computers 
Configurable ac/battery input priority via lcd setting 
Compatible with generator power 
Auto restart while AC is recovering 
Overload and short circuit protection 
Smart battery charger design for optimized battery performance 
Cold start function 
Color LCD display 
Supports the use lithium batteries 
Wave by wave phase detection ,more stable and reliable