20KW Off Grid Solar System Price

20KW solar system load reference

Suitable to use for 5-6bedroom house

Load name

Load’s watt

Qty

Total watt

lights

11W

30

330W

Fan

80W

4

320W

Computer(LCD display)

150W

2

300W

printer

250W

2

500W

Fax machine

150W

1

150W

refrigerator(240L)

180W

2

360W

Electric stove

1000W

2

2000W

Washing machine

300W

2

600W

Microwave

1500W

1

1500W

Electric cooker

300W

1

300W

Air conditioner(2HP)

1500W

4

6000W

Air conditioner(3HP)

2250W

1

2250W

Satellite TV receiver/VCD

50W

2

100W

Color TV(32 inch)

150W

2

300W

Water pump

200W

1

200W

Total

15210W

20KW Solar Power Home System Cost

32pcs 580W N type Topcon mono solar panel
 New generation solar panel,23.2% transfer Efficiency     

Operating temperature:-40℃~+80℃       

CE ROHS approval,USA technology       

25 Years efficiency warranty     

15 Years material warranty

4T-192V Multiple PV strings inputs.    

Simplify wiring between PV array and controller.        

Protect controller from thunderstorm& surge protection, protect the solar electricity from flowing one panel to another panel. max open circuit voltage is 500V

Inverter:20KW 192VDC            

110/120/220/230/240VAC output    

High efficiency transformer,conversion efficiency up to 90%,LCD display. City power charger and generator charger.Japan brand Fuji IGBT material.

100A192V MPPT controller ,90%-95% charge efficiency.Overload, overcharge, over-discharge protection   

16pcs 12V/200AH gel battery / 38.4KWH lithium battery for optional           

Deep cycle maintenance-free gel battery,5-6years use life.      

A grade LiFePo4 lithium battery,20years use life max.       

What are the difference between gel battery and lithium battery?

Mainly for the use life,gel battery use life is 5-6years,lithium battery is 20years max. 

Slope Rooftop or Flat ground        

design base on your installation place          

Including complete fittings   

wind load:55m/s,snow load:1.5kn/m2           

Aluminum alloy, anti-oxidation treatment      

1)1set battery cable and terminal;           

2)4mm2 PV cable 200M;      

3)1set PV terminals and MC4;           

4)2P 63A Battery switch.

Pre-sale:

1.Mars professional engineering team assists customers to complete professional system design or bidding work,ensure that each solar power system project provides government engineering-level quality and services.

2.Mars supports OEM services to assist customers in expanding their brand influence.

Quality Control:

     Solar Power home system project product use Japan brand(Mitsubishi, Fuji etc) IGBT materials,Germany(Semikron etc )thyristor,adopt German technology.100times test before package.

Advanced product function:

1.Touch screen operation,easy and convenient.

2.Real time App monitor,monitor your solar power system project any time.

After-sale:

1.For the first import for solar panel system, assist in completing the transportation and customs work, clear customs without worry, and receive the solar power system smoothly.Africa and Asia provide door to door service or pick up service locally.

2.Professional solar panel system installation drawing and user manual,10+years engineer guide the installation and technical support online,easy and convenient.

3.Certified solar panel system engineers provide installation services.Our certified engineers include Daniel(Thailand),Jose(Philippines),Japhet(Kenya),Eric(Cameroon),Oumar(Nigeria),Peter(Senegal).More  solar power system installation service countries are developing.

4.Good warranty service.During warranty,take pictures or videos to us,send the free replacement or new products right now.