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Solar System Components Function :
Solar Panel
Solar Panel is not only the major part, but also the most valuable component among the solar power system . its function is to convert the sun's radiant energy to DC power.
Solar Charge Controller
Solar Charge Controller, also known as "PV Controller", whose function is to adjust and control power and maximize battery charging power.Meanwhile it supply overall protection like short circuit,overload,reserve connection prevention, overcharge ,over discharge,etc. solar controller should also have temperature compensation function.
Storage Battery
Battery bank's main task is to stock unstable DC power from solar panels and provide stable DC power to inverter and ensure stable running of the loads at night and rainy days.
Cables and MC4 connectors
We choose special 4mm2 PV wires,battery cables and MC4 connectors for the connection of solar power system components.
Off-Grid Pure Sine Wave inverter
Off-grid inverter is the core component of off -grid solar power system, its function is to convert direct current from battery bank into alternating current for loads to use. In order to improve the overall performance of photovoltaic power generation system to ensure long-term stable operation of the power station, the inverter performance is very important.
| Load reference | |||
| 6000W solar home system | |||
| Load name | Load's watt | Qty | Total watt |
| lights | 11W | 8 | 88W |
| Fan | 80W | 2 | 160W |
| computer | 200W | 2 | 400W |
| printer | 250W | 1 | 250W |
| Fax machine | 150w | 1 | 150W |
| refrigerator | 120W | 1 | 120W |
| Washing machine | 300W | 1 | 300W |
| Microwave | 1500W | 1 | 1500W |
| Electric cooker | 300W | 1 | 300W |
| Air conditioner(1.5HP) | 1125W | 1 | 1125W |
| Satellite TV receiver/VCD | 25W | 1 | 25W |
| Color TV(32 inch) | 150W | 2 | 300W |
| Water pump | 200W | 1 | 200W |
| Total | 4918W | ||
Solar panel production line :
Solar inverter production line:
Certificates :
As long as you are our customer,you will get our good after-sale service even you only buy one piece inverter!
Zimbabwe customer bought 1pc 3KW hybrid inverter with built-in controller from us at June.2018.After he received the goods he found that the screen was not working,after checked with our engineer,we confirmed that it was our screen problem so i sent new screen board by DHL to customer and he replaced the screen and the inverter worked well!
As long as you are our customer,you will get our good after-sale service even though our company will lose money in your order!
Cameroon customer ordered 60sets solar street lights from our company at 2018.After customer received the goods,he found that totally 38pcs solar panels were broken.After checked with our loading pictures,we confirmed that it was our loading way problem,so we promised to send free new 38pcs solar panels to customer for replacement.
As long as you are our customer,you will get our good after-sale service even though there is so long distance and so big time gap!
Nigeria customer's engineer faced some problem after he installed our first 100KW solar power system among 1MW project.The controller showed overcurrent often and stopped charging the battery bank when there was strong sunshine.After checked with our engineer,we asked the customer to reduce the solar panel quantity in series connection and decrease the power voltage,then the problem was solved!China has 7hours time gap with Nigeria,but we promised to reply customer within 24hours once we received the message.
Why choose Sunchees solar products?
1 Rich experienced.
We have over 10 years experience in production and installation of solar power system and wind power system products and our products are sold to more than twenty countries in the world. We can send installation team engineers to your location and instruct the system installation.
2 Strong technical support
We have advanced R&D team to customize the system configuration and make sure our product is in stable performance, including solar panel , solar inverter , charge controller etc. Only if you have problem, we will provide professional technical support and solve it by the fastest speed.
3 Good quality, steady operation
Quality and Service are our Culture! With over 10 years new energy experience, Sunchees with two factories (which produce solar panel, inverter and solar air conditioner), introduced advanced production equipment and specialized production line, adopt international standard management and strict quality control to ensure the stable-performance and high-quality.
4 Competitive price
We are professional manufacturer. We will not guarantee you the cheapest price in China, but we will guarantee you the advantaged competitive product .We will do our best to support our customers to open the market and reach a win-win situation in the end.
5 Fast delivery time.
"Time is gold" We have high-efficiency supply chain and long-term cooperation with shipping company, thus rapid production and fast delivery are assured.
6 Excellent after sales service.
We have professional after sales service engineer team to help you solve any kind of problem:
1) Solar panel has 10 years warranty, ship the free new one for service
2) Gel battery has 2 years warranty, ship the free new one for service
3) Solar hybrid inverter has 2 years warranty, ship the free PCB by DHL or FEDEX for service. Sunchees is not doing one-time business!
Power your life! Save your money! Choose Sunchees!
Buy our solar system products, Our installation team engineer can go your location to instruct the installation of the solar system.Provide installation service, technical support
Overseas project case:
Q: What can be included for this system from Sunchees?
A: This system includes: solar panel, PV array combiner, Hybrid solar inverter with built-in MPPT controller, Maintenance-free Gel battery, Mounting structure, cables etc.
Q: Is the solution for complete set? If not, what else are needed?
A: Yes, we can provide complete set solution. If you don't need complete set, basic parts are available too.
Q: Is the system solution always the same? Can I customize one?
A: No. We have professional teams make solutions for our clients. Solutions are mainly customized based on different sunshine time and power consumption. Same power system may be with different configuration.
Q: Who will arrange the shipment?
A: We are doing FOB trade term. If you need, we could help you to arrange the shipment, we have long-term cooperation with good service forwarders.
Q: What's the difference between off grid and on grid solar power system?
A: Off grid solar power system doesn't connect to the power grid. In general, the system includes solar panels, charge controller, batteries and off-grid inverter. This system will convert the solar power into electricity and store in the batteries, and the batteries will supply appliances the electricity to work through the inverter.
On grid solar power system connects to the power grid. In general, it includes solar panels, grid-connected inverter, the solar power will be converted into electricity and the electricity will be supplied to appliances directly. When there is no sunshine, the power grid will take place of the system and supply appliances the electricity to work.
Q: Can the inverter switch automatically to national grid to protect batteries.
A: Yes. The inverter not only can connect to national grid but also can connect to third generator, as like diesel generator. When there is no sunshine and battery power is used out, the inverter will automatically switch to use national grid power and take the load and charge the battery at the same time. Please tell our sales before production.
Q: What is the lifetime of the solar power system?
A: Solar panel lifetime are 25 years, battery lifetime is 6~8 years. The whole set system can supply free power at least 6 years. When battery reaches its life expectancy, just change new one then the system will continue working. Sunchees always insists on high quality goods, we never sell cheap quality products that can only use few months. We are not doing one-time business!
If you have more questions, welcome to contact us freely, Choose Sunchees, Choose Satisfaction!
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