How many kilowatt hours can I charge with 14 100 watt solar panels on a cloudy, rainy day?

On cloudy and rainy days, 14 100-watt solar panels can charge 4.2 kilowatt hours of electricity during the day. According to relevant information, I learned that a 100W solar panel generates 298.2 WH of electricity per day, which is about 0.3 degrees, and 14 solar panels can produce about 4.2 degrees. The reason the off-grid system is different is that everyone. ignores the voltage difference between the solar panel and the battery. Solar panels can also be charged on cloudy and rainy days, but the charging capacity varies depending on the degree of cloudy and rainy days.