Off Grid Solar Power System
The Solar Electricity Company 20KW Off Grid Photovoltaic System Design
20KW off grid photovoltaic system design products help you save 90% electricity bill.- Output voltage: 110V/220V/230V/240V
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The Solar Electricity Company 20KW Off Grid Photovoltaic System Design 
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20KW Off Grid Photovoltaic System Design |
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Solar panel rated power:19880W Suitable for daily power consumption: >120KWH Allowable max loads power:20KW/28KVA |
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48pcs 355W monocrystalline solar panel A Grade SUNTECH cells of high efficiency 18% Vmp:38.39V Voc:47.13V Imp:9.25A Size : 1956*992*40mm Operating temperature:-40℃~+80℃ 25 years life time, CE ROHS approval |
| 8T-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 |   |
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Inverter:20KW192VDC 110V/120V/220V/230V/240VACoutput High efficiency transformer,conversion efficiency up to 90%,LCD display. City power charger and generator charger. 100A192V MPPT controller ,90%-95% charge efficiency.Overload, overcharge, over-discharge protection Japan brand Fiji IGBT material. |
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32pcs 12V/200AH Deep cycle maintenance-free gel battery, Service life:6-8 years , Size:522*240*219mm |
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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 |
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1)1set battery cable and terminal; 2)4mm2 PV cable 150M; 3)1set PV terminals and MC4; 4)2P 63A Battery switch. |
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20KW Off Grid Photovoltaic System Design Load reference |
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| Load name | Load’s watt | Qty | Total watt |
| Lights | 11W | 30 | 330W |
| Fan | 80W | 4 | 320W |
| Computer | 150W | 2 | 300W |
| Printer | 250W | 2 | 500W |
| Fax machine | 150W | 1 | 150W |
| Washing machine | 300W | 2 | 600W |
| Microwave | 1500W | 1 | 1500W |
| Electric Stove | 1000W | 2 | 2000W |
| Electric cooker | 300W | 1 | 300W |
| Satellite TV receiver/VCD | 50W | 2 | 100W |
| Color TV(32inch) | 150W | 2 | 300W |
| Water pump | 200W | 1 | 200W |
| Refrigerator | 180W | 2 | 360W |
| Air conditioner(2HP) | 1500W | 4 | 6000W |
| Air conditioner(3HP) | 2250W | 1 | 2250W |
| Total | 15210W | ||
Remark:water pump is inductive load ,start working power is 3-6 times more than normal power ,in the process of use ,turn on the inductive load first. 
Foshan Mars Solar Technology Co.,Ltd have more than 10 years factory experience for off grid photovoltaic system design products,solar street light products,inverter products,solar appliance products.More than 3000 successfully case have installed in 130+ countries.Germany technology,China price,Global service. Sincerely welcome everyone join us and develop solar business. 
| Q:Which off grid photovoltaic system design product is suitable for me? |
| A:Mars off grid photovoltaic system products can be used in homes, offices, villas, hospitals, churches, etc.Mars manufacture off grid photovoltaic system products from 300W to 250KW, you can choose according to your own needs.if you do not know which model system is suitable for you, you can consult us.Our 10years experience sale manager will help you configure the system in 12hrs. |
| Q:Why choose to use the MARS off grid photovoltaic system design? |
| A:Solar energy is now the most environmentally friendly energy source in the world. Using the MARS off grid photovoltaic system design product can reduce your electricity bill by 90%.We have 10+years experience in solar products,we have exported to more than 130 countries and regions.We have professional installation team. if necessary,we can send engineer to your country, guide the installation.We have our own factory, use USA and Japan brand power materials,perfectly for quality control.We have developed some agent, convenience to provide after sale service to customer. |
| Q:How long is the lead time of orders? |
| A:Goods can be ready for shipment within 7-15 working days upon payment.If we have stock material.It only take 1-2 days to send goods. |
| Q:What is the warranty of products? |
| A:Suggest buy complete off grid photovoltaic system design products from our factory, solar panel have 10 years warranty ,other parts all have 2 years warranty;During the warranty, will ship the free parts for service ,we promise our quality. |
| Q:Can I install it myself? |
| A:We provide installation drawing and user manual for you,guide the installation.If necessary,we can send our engineer come to country,and guide the installation. |
| Q:How to calculate the freight? |
| A:We will calculate according to the specific location and transportation method, you can discuss it in detail with us. |
| Q:Can we get support if we have our own market position? |
| A:Please inform us your details market demand we will discuss and propose helpful suggestion for you to find the best solution for you. |
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