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Cost of 3kW 3kV Solar System

Cost of 3kW 3kV Solar System, Easy installation, Get rid of the Eskom, and get your own off-grid solar system. You can use power anytime.

Place Of Origin: China

MOQ: 1 set, accept OEM & ODM

Type: Off-grid with battery back up

Output voltage: 220V Single phase

Payment: T/T, L/C, Paypal, Western Union

Manufacturer of solar power clean energy

PVMARS solar Factory -100% Lab


In strict accordance with the German 5S technical standard, our production workshop has marked the production time, model, quantity, and other information for each raw material. Successfully ensure the high quality and efficiency of finished products.


Global authoritative certification

PVMARS solar products have passed TUV, IEC, ISO, CE, and RoHS quality certifications.

Before leaving the factory, our testers will perform no less than 120 extreme impact tests, and all kinds of inspections in order to get your approval.

PVMARS Solar Energy Storage Factory Certificate Of Authority
Real-time remote monitoring of the safe operation of solar energy system

Safety reminder for solar system

With PVMARS solar IoT, through your phone or computer view real-time performance data of your solar system, such as solar panel power generation, battery capacity, etc., and receive timely maintenance and safety alerts to extend the life of your solar system.

At the same time, your dedicated engineers will help you adjust the data through IOT. Double protection!


How solar panel 3000w solar system works?

The solar solution has 3 working modes

The solar inverter in the solar energy storage system we designed has 3 working modes:

1- Main power priority, as the name implies, uses main power as the main power source. In case the mains power is unstable and stops supplying power, solar energy will replace it as the main power source.

2-Battery priority, contrary to the mains mode, solar energy will first charge the battery before supplying power to the load, and the actual battery has used the power before.

3- Solar energy priority. The electricity generated by solar energy is first supplied to the household load, and then the excess electricity fills the battery.

Usually, we recommend customers choose the solar energy priority mode, and if necessary, they can adjust it on the inverter themselves.

Your dedicated engineers are ready to start customizing your solar clean energy system!

3000 watts solar generator Load reference

3000 watts solar panel power Home System Load Reference
Load NameLoad Rated PowerQTYTotal Rated Power
Washing machine150W1150W
Electric cooker200W1200W
Air conditioner(0.5HP)360W11080W
Color TV200W1200W
Water Pump100W1400W

This example is just for reference. But your load can be less than 3kw 

Remark: Refrigerator, air conditioner and water pump are inductive loads, start working power is 3-6 times more than normal power, in the process of use, turn on the inductive load first

3kW Solar Home System Description

Maximum 600 Watts solar panel optional

Shingled/HJT solar panel, USA TR Technology panel, higher efficiency, longer life
Vmp:39V – Voc:47.13V – Imp 12.3A – Isc:12.91A
25 years guarantee (CE TUV).
Strong anti-cracking, heat spot protection

Production solar power system

Solar battery

Capacity: 12V100Ah-250Ah gel battery or Lithium battery 
The latest in through-wall welding and full-sealing technology.  
More suitable for motor loads.
Service life: 8-10-15 years


3000Watts Wall-mounted type inverter

Single Phase Hybrid Solar Inverter power:


MPPT solar controller inbuilt: 40A/48V/96V

AC charge:10-15A       O/P:110V,220VAC and 5V/12VDC

Waveform: Pure Sine Wave
100% USA brand MOS materials

Bypass function with AC charger, against short-circuit and over-load protection, high-voltage and low-voltage stable protection

PVMars' inverter combines advanced AVR

High frequency inverter and power frequency inverter are optional

PV combiner box

H4T-H10T 220VDC-360VDC optional

Multiple solar panel string inputs 
PV array wiring simplified, controller protection, 
Wide range of DC input voltages, max circuit voltage: 1000V
Reliable thunderstorm & surge protection

Until the bad weather has passed, turn it on again, according to the PVMars usage instructions, and check the usage one by one.

Solar Panel Rack/Bracket

Full set for Slope, Flat or Ground roof optional

Including complete fittings

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

Structure: Anodized aluminum + stainless steel

Can be customized as per user’s requirement 

Solar Panel Rack/Bracket

Solar Cables and Accessory

1) Copper row for connection to battery 

2) 4mm2 PV cable 50M, 25mm2 cable 25M

3) full set of install tools, terminals and MC4 and 1P63A switch box

Solar Cables and Accessory

Solar panel packing


Carton and Wooden box packing optional

Before each loading and shipment, our factory has special personnel to check QC inspection of qualified products.

They distinguish and mark the area to place, ensure the shipment quantity, model, customer name is accurate, only after the standard is allowed to load containers. 

Ensure that you receive complete and correct goods at the end.

More installation manual and video, please click here contact us

We have oversea installation service. The engineer will arrive at the installation site within 10 days after the goods arrived at port.

3kw solar panel system installation manual

How do I choose a off-grid system?









PVMARS Case Study Wall

Do you need solar clean energy system?

In this world, there are many clean energy sources, but only photovoltaicss is the most reliable power supply. The closest to our life is a kind of renewable energy everywhere. The future of photovoltaic energy will be because of technological innovation, and the cost will be lower, we will live an independent and free life.

PVMARS Solar is one of the most innovative manufacturers of solar energy storage technology. This is for you to pursue safer, more convenient, and more competitive prices for solar products.

PVMARS Solar History

Us VS Them

Direct manufacturer pricing, no middleman markups.

We are able to offer durable equipment at competitive price.

Solar Products FAQ

Q: What does this PVMARS system include?

A: A complete off-grid or on-grid solar clean energy system, including all accessories required for installation.

Q: Can I customize one?

A: Of course, you can customize the most efficient solar power system. Your exclusive solar expert is waiting. To provide you with any energy solution, customized according to different power consumption, actual use of equipment, scenarios etc. Solar systems come in different configurations.

Q: Who is responsible for transportation? Or home delivery?

A: There will be dedicated staff responsible for your products’ production, packaging and shipping. To deliver goods safely to the destination port by sea or air. The entire process, including transportation and customs clearance, is handled by us. Europe, Asia, Africa to provide home delivery or nearby pickup service. Provide relevant packing and shipping documents and information on time.

Q: What is the lifetime of a solar power system?

A: The life of the solar panel is 25 years, the charger controller is 5-7 years, the inverter is 5-7 years, and the battery is 8-10 years. Our IOT monitors the installation and operation of your solar power system in real time to extend service life.

Q: Are there any protection measures for solar power overload, and how do electricity leaks, lightning strikes, and hail happen?

A: PVMARS Solar’s PV combiner box and inverter have overload safety functions. To protect each other, they will disconnect the connection with your equipment in the event of abnormal voltage, such as lightning strikes and leaks. After the voltage is restored automatically, the solar system will start automatically. Secondly, the photovoltaic module floor is made of excellent impact-resistant tempered glass. This glass can withstand 200Pa wind stress and 7200Pa snow stress after strict trial and test when passing EU certification.

Q: What can you expect from PVMARS Solar?

A: In addition to providing products, PVMARS solar also provides free on-site survey, customized design solutions, production, installation and maintenance one-stop services.

Customized 24-hours off-grid solar energy system

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