Pure Sine Wave 2000w 3000w 4000w 5000w 5kw 4kw 3kw 2kw off grid inverter Features Pure sine wave inverter Bulit-in MPPT solar charge controller Selectable input voltage range for home appliances and personal computers Selectable charging current based on applications Confgurable AC/Solar input priority via LCD setting Compatible to mains voltage or generator power Auto restart while AC is recovering Overload and short circuit protection Smart battery charger design for optimized battery performance Cold start function Parallel operation with up to 4 units only available for Axpert MKS 4K/5K