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5 reviews
Solar
By using the2 x 300w panels I have remove 23.4K off the roof of my small caravan with 4k of new 300w aolar paels
Verified purchase: Yes | Condition: new | Sold by: outbaxcamping
100w max
A solar panel with dimensions of 1080 x 710 x 2.5 mm (1.08 x 0.71 meters) would be much too small to produce 300 watts of power. To illustrate this, we can analyze the relationship between solar panel size and power output, which is largely determined by the efficiency of the solar cells used in the panel.
Solar panel efficiency is generally expressed as a percentage and represents the amount of sunlight that is converted into electricity by the panel. Currently, the efficiency of commercially available solar panels ranges from about 15% to 23%. Let's assume a relatively high efficiency of 20% for our calculations.
First, let's determine the surface area of the given solar panel:
Area = Length x Width = 1.08 m x 0.71 m = 0.7668 m²
Next, let's calculate the solar energy incident on the panel. The solar constant, which represents the amount of solar energy received at the top of Earth's atmosphere, is approximately 1,360 watts per square meter (W/m²). However, this value decreases as sunlight passes through the atmosphere. On a clear day, the solar irradiance at the Earth's surface is roughly 1,000 W/m². This value can be used as a rough estimate of the sunlight received by a solar panel.
Now, let's multiply the solar irradiance by the panel's area and efficiency to estimate its power output:
Power output = Solar irradiance x Area x Efficiency
Power output = 1,000 W/m² x 0.7668 m² x 0.20 = 153.36 watts
As calculated, a solar panel of 1080 x 710 x 2.5 mm dimensions with 20% efficiency would produce approximately 153.36 watts, which is much less than the desired 300 watts.
In conclusion, a solar panel with dimensions of 1080 x 710 x 2.5 mm is far too small to produce 300 watts of power, even when assuming a high efficiency of 20%. The calculated power output of approximately 153.36 watts is less than half of the required output. To achieve 300 watts, a larger solar panel would be needed, or multiple smaller panels could be combined to reach the desired power output. Read full review...
Verified purchase: Yes | Condition: new | Sold by: outbaxcamping
Not 300W
These panels are not 300W they max out at 150W each in comparison to my 100W panels that max out at 90W
Even with a 10% gain they would be at 165W! Now I understand why there is no data label with the 300W specification or amperage data because they are not 300W
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Verified purchase: Yes | Condition: new | Sold by: outbaxcamping
Need a good size inverter
I already have used 3 others on my caravan last year and they worked perfectly.
Verified purchase: Yes | Condition: new | Sold by: outbaxcamping
High power and light weight.
This is a very light and quite flexible 300W panel. If you can fix it to a flat surface it is ideal where its physical weight is a consideration. Only 4 mounting points, one in each corner.
Verified purchase: Yes | Condition: new | Sold by: outbaxcamping