800W/2.5kW On-grid, Plug & Play, Backup 2.5kW 5.12kWh LFP Battery, Cycle Life ≥6000 Compatible with Any PV System Anti Feed-in, 100% Self Consumption Maxium Money Saving with Al Optimization With MARSTEK CT002/Shelly Smart Meter Support Whole-home Single/Three Phase Backup Single-Phase: up to 3 Units Parallel, 7.5kW/15.36kWh Three-Phase: Each Phase up to 3 Units Parallel Total 9 Units Parallel, 22.5kW/46.08kWh With MARSTEK SmartBox Support Integration with External EMS Open API/Modbus Protocol LAN/RS485/WIFI/BT