... sunlight is available due to shorter days. Even during the same day, in many regions worldwide, there are different and opposite wind ... wind and solar systems occur at different times of the day and year, hybrid systems are more likely to produce electricity ... 24V 200Ah, gel cell deep cycle batteryWorking Time8 ~ 10 hours/day, 2 ~ 3 cloudy or rainy days back upWind Resistance 45 ...