How Many Powers Be Generated Per Day While Using One 100W Solar Panel?

(Written by Truth Dream, Translated By Sunry)

I did several full-day tests in several locations over a few travelling days under the random weather conditions. Due to different regions, sunshine intensity, sunshine duration, altitude, and temperature, the exact results will be different. Thus, my results can be used for reference. From these tests it can be concluded that:

1. Taking 100W panel as an example, in the Kunming area, it is measured that charging for 10 hours a day can get 0.5 kWh of electricity. It takes 5 days to fully charge my Fixnow outdoor power supply, but don’t underestimate this 0.5 kWh of electricity. You can do a lot outdoors. The thing is, based on past experience, it is no problem to cook rice with an electric cooker, but it is not enough for cooking with an induction cooker; if you buy 200W, you can get 1 kWh of electricity per day, which is barely enough to cook two people’s meal.

2. Users who do not have a high-power outdoor power supply (above 1000Wh), do not often travel long distances, and camping really do not need to buy it. Bring a small power supply and connect the cigarette lighter at any time in hotels, homes, or on the road. Fully charged.

3. It is suitable for people who often camp in the wild like me. It is not always possible to find a place to charge in the wild. The 100W battery board is enough to provide my electricity for a day.

4. If you buy it, you should calculate your electricity consumption, power supply capacity and charging time. The charging time can be calculated like this when the weather is good. Note that it is an estimate, because the environment and equipment are different, and the maximum charging power of the power supply is greater than the power of the battery board:

For example, my power supply capacity is 2200Wh, and the full charge time of a 100W battery board is about 2200Wh/(100W*0.5)=44h.

If you buy a solar panel and want to repay the cost, taking the 100W panel as an example, you can charge about 0.5 kWh of electricity every day (not including conversion loss), and calculate it at 0.5 RMB per kWh of electricity, It will take around 5 years to pay back.