... . Easy installation, Long life span . Free of maintenance . Low voltage, safe and reliableApplications: Garden, public square, park, ... years warranty)12V10ABattery (3 years warranty)12V80AH, Maintenance-free lead-acidCE, ULWorking time4H +4H energy-saving mode per ... , Maintenance-free lead-acidCE, ULWorking time4H +4H energy-saving mode per day,3 overcast and rainy days solar and wind hybrid system