8KW 20.48KWH Portable All In One Home   Energy Storage System Off-grid System: Support Opration without Battery, Solar Module Directely Supply Energy to AC Load without Through Battery In The Daytime , And Ballance Solar Energy Charging for Battery On/Off-grid System: Support Opration without Battery, Solar Module Directely Supply Energy to AC Load without Through Battery In The Daytime , And Ballance Solar Energy Charging for Battery,If Battery Charged Full Superflouous Energy Enter to Untility. Hybrid Inverter Type : High-frequency / Low-frequency Hybrid Inverter Integrated MPPT Controller Output Rated Power: 8KW Output Voltage: 220V Pure Sine Wave Built-in Li-FePO4 Battery:51.2V 400AH, MiniUnit:51.2V100AH PV or AC Output Prior Option,Single Phase Paralleling Connection Max 9pcs, OEM/ODM or Customized Offer Off-grid or On/Off-grid Hybrid Inverter Optional Built-in high-efficiency power Li-FePo4 cell,Safe battery BMS management system (ensure longlife lifetime and safe), efficient energy conversion circuit, can be placed indoors,used in Home, office or outside for emergency backup power supply . InPut: PV or AC   Same Port ,(without Adapter With UPS Function) Output:AC Output: 100V(Japan),110V(American),220V(Europen) LCD Screen Display for battery and using Status Indication Warranty: Inverter: 5Years Battery:10Years. Protection: Over Load Protection,Over Voltage Cut Off 60V Communication Interface :RS485 Port-2 USB Port-1:R485 (Inverter &Battery) Mobile Type: With Wheel Recycle Lifetime:4000+Times,Lifetime 10+Years