5.12kw off-Gird Household Solar System

5.12KW solar system including:
1.20PCS 250W36VPoly solar panel 
2.100A/48V solar MPPT charge controller
3. Battery: 12sets 12V180AH 
4.5KW off grid inverter

Digital Indication of working model:
1. Solar Panel
25 Year Limited Warranty 80% power output
10-year limited warranty of 90% output
5-year limited warranty of materials and workmanshop.

2. Controller:
Perfect protection function, thus the system has higher reliability. Battery Charger Protection, Battery Low Voltage Protection, Overload Protection Short Circuit Protection, Thermal Protection, Fault Indication Function

3. Integrated design of controller and inverter, with simple structure and easy maintenance

4. Inverter:
Pure sine wave output, compared with square wave or modified wave, has higher efficiency and higher capability of driving load

Total electricity consumption
Estimate below electricity comsuptions to be working in the same time, this 5.12KW solar power system can supply:
Regrigerator: 200W*1set, daily working time with 24hours.
Wahsing machine: 200W*1set, daily working time with 1hours.
PC: 200W*1set, daily working time with 4hours.
Air-condition: 1000W*1set, daily working time with 9hours.
TV: 100W*2sets, daily working time with 4hours.
Microwave oven: 1000W*1set, daily working time with 1hour.
Lamp: 50W*5pcs, daily working time with 8hours.
The daily power consumption is 18.6KWH.