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Where Can I Use A 400 Watts Solar Panel?

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With the growing emphasis on renewable energy sources, solar power is growing rapidly worldwide. Solar panels are one of the key devices for converting solar energy into electricity.

In the solar market, 400 Watts solar panels are popular for their high efficiency and moderate power output.

This article will explore the wide range of applications for a 400 watt solar panel and help readers gain insight into how to make the most of this renewable energy source to make a positive difference in our lives and the environment.


What is a 400 watts solar panel?


The output of a solar panel is influenced by various factors such as heat build-up/surface temperature, energy conversion efficiency, location, shading, orientation and mounting position, ambient temperature, humidity, wind speed, light intensity, altitude, atmospheric pressure, and maintenance.

For example, the amount of sunlight reaching the solar panels can be reduced by fog, clouds, rain, snow, and haze. Even partial shading of PV modules can lead to a dramatic reduction in output.

The power output of a 400W solar panel depends on various factors such as location, tilt, and exposure to sunlight. On average, a 400 W solar panel can produce between 1.2 and 3-kilowatt hours (kWh) per day.

The Sungold 400 watt solar panel kit is mainly referred to as the portable solar panel kit HP-D 400W, which has been receiving rave reviews since its launch. The Sungold Hi-Power 400W Portable Solar Panel is efficient. High power output, can be adapted to the 1-2.5kwh portable solar power station.

The 400W Portable Solar Panel adopts patented materials, and new technology, and has a 5-year warranty to give you a better experience. The panel is very suitable for high-power application scenarios such as off-grid homes, RVs, commercial vehicles, ships, outdoor camping, and outdoor emergencies.

400 watts solar panel

What can 400 watts solar panel run?


A 400 watts solar panel can run many small appliances such as a TV, a laptop charger, lights, fans, a sound system, an electric blanket, a blender, paper shredders, and similar items. However, it is important to note that the number of appliances that can be powered by a 400 watts solar panel kit depends on the wattage of each appliance and how long they are used.


Where can I use 400 watts solar panel?


400 watts solar panels are used in a wide range of applications including residential off-grid systems, caravans and boats, small home systems, emergency backup power, portable power solutions, agricultural and irrigation systems, and community projects and developments.

Residential off-grid systems:

Located in remote areas or in households without access to the electricity network, the 400 Watt solar panel can be used as the core component of an off-grid solar system. It can provide power for small appliances, lighting, and electronic equipment, as well as a constant supply of electricity through rechargeable batteries, providing a steady source of power for the user.

Caravans and boats:

Solar panels are widely used on caravans and boats to provide reliable power for travel and camping. 400 watt solar panel kit for RV’s efficient charging capacity can recharge batteries and provide power for lighting, ventilation equipment, and electronic equipment inside the boat, creating an environmentally friendly and convenient living environment.

Small home systems:

For smaller homes or country cottages with lower electricity requirements, the 400 watts solar panel can be combined with a grid-connected or hybrid solar system. It can provide a solution for part of a household’s electricity needs, reducing reliance on the conventional grid and thus reducing energy consumption and electricity bills.

400 watts solar panel

Emergency backup power:

In the event of a power outage or emergency, the 400w solar panel can be used in conjunction with a battery storage system to provide backup power for critical equipment and appliances. Critical equipment such as refrigerators, communications equipment, and medical equipment can rely on this reliable source of power to keep running and ensure that life and safety are not disrupted.

Portable power solutions:

The 400 Watt solar panel can be used as a portable power solution for outdoor activities. Combined with a portable battery or power station, it provides renewable energy power for camping, hiking, or remote work, offering outdoor enthusiasts a power option that is both convenient and environmentally friendly.

Agriculture and irrigation systems:

The agricultural sector can also benefit from the use of 400 Watt solar panels. It can be used to power greenhouses, irrigation systems, and agricultural equipment, reducing farm operating costs and reducing reliance on conventional energy sources.

Community projects and development:

Concentrated installations of 400 watt solar panels can be used for community projects and developments. By building solar panel arrays, communities are provided with electricity, reducing reliance on the conventional grid and promoting sustainable development.

400 watts solar panel


How big is a 400 watt solar panel


The size of a 400 watt solar panel varies depending on the manufacturer. Sungold’s HP-D 400W has a folding and portable design that allows for the sufficient area to absorb sunlight without the inconvenience of a large footprint.

The Sungold 400 watts solar panel requires no complicated connections, just 2 simple wires to connect the portable power station to the solar panel. The Sungold 400 watt solar panel specifications are as follows:

400 watt solar panel specifications
Maximum power(Pmax)400W
Open-circuit voltage(Voc)43.1V
Voltage at Pmax(Vmp)36.5V
Short-circuit current(Isc)11.62A
Current at Pmax(Imp)10.96A
Cells efficiency(%)0.22
The maximum system voltage200V DC(IEC)
Power temperature coefficient-0.38%/℃
Voltage temperature coefficient-0.36%/℃
Current temperature coefficient0.07%/℃
Output power tolerance±3%
Operating temperature-20~70℃
Unfolding size2362*900*25mm
Warranty5 years


If you are interested in learning more about 400 watts solar panels you can consult Sungold or visit our website to find the right solar panel for you.


If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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