1. Homely style, elegant and beautiful. 2. Single-phase European standard and single-phase American standard design, supporting multi-system grid voltage standards. 3. Multiple working modes (photovoltaic priority, mains priority, inverter priority). 4. Simple installation and maintenance, the customized design meets the requirements of different customers. 5. Possess ISO/Android. App to monitor. 6. Single battery 5.12kWh, expandable up to 20.48KWh. 7. Multiple protection and alarm system, safe and reliable.