... lead-acid battery, fully sealed free maintenance typeBattery BoxUnderground buried type, waterproof, ventilated, heat dissipativeWorking Time10 hours/day (6 ... or rainy days backup.SuggestionIt's suggested to install this type for 10m high pole, road width within 20mWind turbine1 ... includes solar panel, LED lamp, controller, battery and battery box. It does not include the pole assembly and cables2. ...