... NumberYD2109Charging Time (h)8UsageStreetSolar Cell TypeLead-acid batteryLED lights:60WSolar panel:120WStorage battery:120AHController:12V/5A, 24V/10A( ... , over-charging and over-discharging protection.Battery: maintenance free, fully-sealed lead acid storage batteryLighting hours: 6-8hours per ... day or more, 3-5 backup rainy days when the battery ...