One bad thing about solar panels is that they are expensive to install and they aren’t exactly environmentally friendly to manufacture. Sure, there have been improvements, like ultra-thin solar cells you just glue to a surface and let it power up, but it is nonetheless a concern.
A 400-watt solar panel is above the average wattage for solar panels you can find today, meaning it will give you more than enough juice for many things. A single 400-watt solar panel tends to contain about 60 solar cells, and they generate between 1.2 and 1.5 kilowatt-hours of electricity a day, depending on the amount of sunlight your roof gets.
Most household electronics, from televisions to laptops and consoles, can be powered by a 400-watt solar panel. An average smartphone has a 15-watt-hour battery, meaning a 400-watt panel can charge over 100 phones a day with its 1.5 kWh power.
Home appliances like microwaves, washing machines, and even refrigerators can be powered with 400-watt solar panels, but be warned that you will probably need more than a single panel to do so.
