-IP66 certified encloure -4.3" HMI LCD design for easy configuration -Built-in 2 or 3 MPP trackers based on models -Maximum PV input currentincreases to 21A/27A/28A -Dual output for smart load control -Two independent AC power sources connected and switchedautomatically -Programmable supply priority for PV, Battery or Grid -Built-in communication port for BMS (RS485) -User-adjustable charging current and voltage -Parallel operation up to 9 units -Support storing energy from diesel generator