The LG Chem RESU 6.4 EX is a wall mounted energy storage system for use with solar PV installations. The system stores up to 6.4kWh of energy and a further two 3.2kWh expansion modules can be added to the standard capacity. The system is compatible with SMA, Nedap and Sungrow solar inverters with SMA inverters recommended. The system can be configured into two packages: self-consumption and no battery backup and self-consumption with battery backup (See packages leaflet). The battery management system (BMS) in the RESU 6.4 Ex automatically monitors all function in the unit and ensures optimal charge/discharge cycles. An App is available for monitoring via a mobile device.